Tootfinder

Cryogenic light detectors with thermal signal amplification for $0\nu\beta\beta$ search experiments
A. Armatol, A. S. Barabash, D. Baudin, V. Berest, M. Beretta, L. Berg\'e, M. Buchynska, J. M. Calvo-Mozota, C. Capelli, P. Carniti, M. Chapellier, I. Dafinei, F. A. Danevich, T. Dixon, A. Drobizhev, L. Dumoulin, F. Ferri, A. Gallas, A. Giuliani, C. Gotti, Ph. Gras, A. Ianni, L. Imbert, H. Khalife, V. V. Kobychev, S. I. Konovalov, P. Loaiza, P. de Marcillac, S. Marnieros, C. A. Marrac…

Cryogenic light detectors with thermal signal amplification for $0νββ$ search experiments
As a step towards the realization of cryogenic-detector experiments to search for neutrinoless double-beta decay (such as CROSS, BINGO, and CUPID), we investigated a batch of 10 Ge light detectors (LDs) assisted by Neganov-Trofimov-Luke (NTL) signal amplification. Each LD was assembled with a large cubic light-emitting crystal (45 mm side) using the recently developed CROSS mechanical structure. The detector array was operated at milli-Kelvin temperatures in a pulse-tube cryostat at the Canfran…

heise | Die schärfste VR-Brille für Sim-Fans: Pimax Crystal Super im Test
Die Pimax Crystal Super stellt knapp 30 Millionen Pixel dar, das entspricht fast 8K. Wir testen, ob die PC-VR-Brille auch abseits des Datenblatts überzeugt.

we need to return,,,

I've been using #kicad to reverse my dad's frequency standard, locked off BBC Radio4 198kHz. I'm sure there are bits I've not got right, but the vague shape is there - a loop with input amp/filters from the receiver, which ends up combining with the divided output (at 2kHz) with the output of a 10MHz crystal oscillator based on a 74HC00; that combined result ends up driving a var…

Dat ik na al die jaren nog een Midsummer Murders zie die ik nog nooit gezien heb volgens mij.
(King's crystal)

R&D on a high-performance electromagnetic calorimeter based on oriented crystalline scintillators
M. Soldani, N. Argiolas, L. Bandiera, V. Baryshevsky, L. Bomben, C. Brizzolari, N. Canale, S. Carsi, S. Cutini, F. Dav\`i, D. De Salvador, A. Gianoli, V. Guidi, V. Haurylavets, M. Korjik, G. Lezzani, A. Lobko, F. Longo, L. Malagutti, S. Mangiacavalli, V. Mascagna, A. Mazzolari, L. Montalto, P. Monti-Guarnieri, M. Moulson, R. Negrello, G. Patern\`o, L. Perna, C. Petroselli, M. Prest, D.…

R&D on a high-performance electromagnetic calorimeter based on oriented crystalline scintillators
Although inorganic scintillators are widely used in the design of electromagnetic calorimeters for high-energy physics and astrophysics, their crystalline nature and, hence, their lattice orientation are generally neglected in the detector design. However, in general, the features of the electromagnetic field experienced by the particles impinging on a crystal at a small angle with respect to a lattice axis affect their interaction mechanisms. In particular, in case of electrons/photons of $\ma…

Optimizing brightness of SPDC source in Laguerre-Gaussian modes using type-0 periodically-poled nonlinear crystal
Jungmo Lee, Kyungdeuk Park, Dongkyu Kim, Yonggi Jo, Dong-Gil Im, Yong Sup Ihn
https://arxiv.org/abs/2506.10385

Optimizing brightness of SPDC source in Laguerre-Gaussian modes using type-0 periodically-poled nonlinear crystal
Photon pairs generated via spontaneous parametric down-conversion (SPDC) can exhibit entanglement in the Laguerre-Gaussian (LG) mode basis, which enables high-dimensional free-space quantum communication by exploiting the high-dimensional space spanned by the LG modes. For such free-space quantum communication, the brightness of the quantum light source plays an important role due to the atmospheric turbulence and photon loss. A variety of studies have analyzed the SPDC brightness by decomposin…

Polymorphism Crystal Structure Prediction with Adaptive Space Group Diversity Control
Sadman Sadeed Omee, Lai Wei, Sourin Dey, Jianjun Hu
https://arxiv.org/abs/2506.11332

Polymorphism Crystal Structure Prediction with Adaptive Space Group Diversity Control
Crystalline materials can form different structural arrangements (i.e. polymorphs) with the same chemical composition, exhibiting distinct physical properties depending on how they were synthesized or the conditions under which they operate. For example, carbon can exist as graphite (soft, conductive) or diamond (hard, insulating). Computational methods that can predict these polymorphs are vital in materials science, which help understand stability relationships, guide synthesis efforts, and d…

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Keane:
🎵 Crystal Ball
#NowPlaying #Keane
https://goodknightproductions1.bandcamp.com/track/crystal-ball
https://open.spotify.com/track/3e90d7sOsXNnVyBfOhjo0z

So @… wrote about using assembler in @…:

Writing Inline Assembly in the Crystal Programming Language
Introduction When you want to make your code run significantly faster, or just want to...

Replaced article(s) found for cond-mat.mes-hall. https://arxiv.org/list/cond-mat.mes-hall/new
[1/1]:
- Entanglement properties of photon-magnon crystal from nonlinear perspective
Wanic, Jasiukiewicz, Toklikishvili, Jandieri, Trybus, Jartych, Mishra, Chotorlish…

Football Manager Handheld: coincidences
I'm currently second in League Two after a run of poor results in January. But that's not what I want to talk about today. This morning I was knocked out of both the FA Cup (4th round, against Crystal Palace) and the LDV Vans Cup (Southern semi-final, against MK Dons). Both defeats came about because I had a player sent off, and the opposing team was awarded a penalty.

Reexamination of the charge-ordered dimer pattern in the spinel compound CuIr2S4 using single-crystal synchrotron x-ray diffraction
T. Ohashi, N. Katayama, K. Kojima, M. Emi, C. Koyama, T. Hara, K. Hashimoto, S. Kitani, H. Kawaji, H. S. Suzuki, S. Nagata, K. Sugimoto, K. Iida, H. Sawa
https://arxiv.org/abs/2506.23658

Reexamination of the charge-ordered dimer pattern in the spinel compound CuIr2S4 using single-crystal synchrotron x-ray diffraction
We have re-investigated the crystal structure of a spinel type CuIr2S4 at low temperatures using a single-crystal in a synchrotron radiation x-ray diffraction experiment. The crystal structure of the low-temperature phase of CuIr2S4 has been already studied by diffraction experiments using a powder sample, and it has been reported that the formation of dimer molecules accompanied by charge ordering of Ir has been achieved. The crystal structure of the low-temperature phase obtained in our reana…

Crystal Collimation Cleaning Measurements with 6.5 TeV protons in the LHC
Roberto Rossi, Gianluca Cavoto, Daniele Mirarchi, Stefano Redaelli, Walter Scandale
https://arxiv.org/abs/2507.13315

Crystal Collimation Cleaning Measurements with 6.5 TeV protons in the LHC
Safe disposal of beam halo is a fundamental requirement of modern superconductive hadron colliders to reduce thermal load on magnets and background to experimental detectors. In the CERN Large Hadron Collider (LHC) a multistage system fully compliant with the needs of the baseline operation was build. At a later stage, two short bent crystals were interleaved to the devices for betatron collimation to investigate efficiency enhancement of the halo disposal when inserting them as primary stages …

A tunable, continuous-wave 130-mW laser at 213 nm
Lukas M\"oller, Stephan Hannig, Stefan Truppe, Simon Stellmer
https://arxiv.org/abs/2506.08709 https…

A tunable, continuous-wave 130-mW laser at 213 nm
We present a tunable, continuous-wave (CW) laser system emitting at 213 nm, based on the frequency quadrupling of a single Ti:sapph laser. The setup features two sequential, cavity-enhanced second-harmonic generation (SHG) stages. The first stage uses an LBO crystal and achieves a conversion efficiency of over 80%, yielding up to 3.3 W at 426 nm. The second stage employs a Brewster-cut BBO crystal with an elliptical beam waist to mitigate UV-induced degradation, producing up to 130 mW of deep U…

In mineralogy, a #polycrystal
(or polycrystalline material)
refers to a solid composed of multiple small, intergrown crystals (crystallites) of the same or different minerals,
arranged in a random or oriented fashion.
Unlike a single crystal, which has a continuous and unbroken atomic lattice,
a polycrystal consists of many smaller crystalline grains separated by grain bo…

Polycrystals
Mineral Matters #767

Active Liquid Crystal Theory Explains the Collective Organization of Microtubules in Human Mitotic Spindles
Colm P. Kelleher, Suryanarayana Maddu, Mustafa Basaran, Thomas M\"uller-Reichert, Michael J. Shelley, Daniel J. Needleman
https://arxiv.org/abs/2507.22273

Active Liquid Crystal Theory Explains the Collective Organization of Microtubules in Human Mitotic Spindles
How thousands of microtubules and molecular motors self-organize into spindles remains poorly understood. By combining static, nanometer-resolution, large-scale electron tomography reconstructions and dynamic, optical-resolution, polarized light microscopy, we test an active liquid crystal continuum model of mitotic spindles in human tissue culture cells. The predictions of this coarse-grained theory quantitatively agree with the experimentally measured spindle morphology and fluctuation spectr…

Tension-Induced Soft Stress and Viscoelastic Bending in Liquid Crystal Elastomers for Enhanced Energy Dissipation
Beijun Shen, Yuefeng Jiang, Christopher M. Yakacki, Sung Hoon Kang, Thao D. Nguyen
https://arxiv.org/abs/2506.23360

Tension-Induced Soft Stress and Viscoelastic Bending in Liquid Crystal Elastomers for Enhanced Energy Dissipation
Architected materials that harness elastic snap-through buckling can trap energy reversibly. Liquid crystal elastomers (LCEs) exhibit excellent dissipation capabilities due to polymer network viscoelasticity and rate-dependent soft stress behavior associated with mesogen rotation. Incorporating LCEs into buckling lattice structures enhances energy absorption; however, conventional design cannot take advantage of the dissipation mechanism associated with mesogen rotation because buckling occurs …

FastCSP: Accelerated Molecular Crystal Structure Prediction with Universal Model for Atoms
Vahe Gharakhanyan, Yi Yang, Luis Barroso-Luque, Muhammed Shuaibi, Daniel S. Levine, Kyle Michel, Viachaslau Bernat, Misko Dzamba, Xiang Fu, Meng Gao, Xingyu Liu, Keian Noori, Lafe J. Purvis, Tingling Rao, Brandon M. Wood, Ammar Rizvi, Matt Uyttendaele, Andrew J. Ouderkirk, Chiara Daraio, C. Lawrence Zitnick, Arman Boromand, Noa Marom, Zachary W. Ulissi, Anuroop Sriram

FastCSP: Accelerated Molecular Crystal Structure Prediction with Universal Model for Atoms
Crystal Structure Prediction (CSP) of molecular crystals plays a central role in applications, such as pharmaceuticals and organic electronics. CSP is challenging and computationally expensive due to the need to explore a large search space with sufficient accuracy to capture energy differences of a few kJ/mol between polymorphs. Dispersion-inclusive density functional theory (DFT) provides the required accuracy but its computational cost is impractical for a large number of putative structures…

Cosmic Axions Revealed via Amplified Modulation of Ellipticity of Laser (CARAMEL)
Hooman Davoudiasl, Yannis K. Semertzidis
https://arxiv.org/abs/2506.24022

Cosmic Axions Revealed via Amplified Modulation of Ellipticity of Laser (CARAMEL)
We propose a new axion dark matter detection strategy that employs optical readout of laser beam ellipticity modulations caused by axion-induced electric fields in a microwave cavity, using electro-optic (EO) crystals, enhanced by externally injected radio-frequency (RF) power. Building upon the variance-based probing method, PRD 107, 103005, (2023), we extend this concept to the optical domain: a weak probe laser interacts with an EO crystal placed inside a resonant microwave cavity at cryogen…

Characterisation of commercial SiC MOSFETs at deep-cryogenic temperatures
Megan Powell, Euan Parry, Conor McGeough, Alexander Zotov, Alessandro Rossi
https://arxiv.org/abs/2507.23109

Characterisation of commercial SiC MOSFETs at deep-cryogenic temperatures
Silicon carbide is a wide-bandgap semiconductor with an emerging CMOS technology platform and it is widely deployed in high power and harsh environment electronics. This material is also attracting interest for quantum technologies through its crystal defects, which can act as spin-based qubits or single-photon sources. In this work, we assess the cryogenic performance of commercial power MOSFETs to evaluate their suitability for CMOS-compatible quantum electronics. We perform a statistical stu…

Dual-wavelength quantum skyrmions from liquid crystal topological defect
Mwezi Koni, Fazilah Nothlawala, Vagharshak Hakobyan, Isaac Nape, Etienne Brasselet, Andrew Forbes
https://arxiv.org/abs/2507.22815

Dual-wavelength quantum skyrmions from liquid crystal topological defect
We propose a spin-orbit strategy for generating dual-wavelength quantum skyrmions, realized either as entangled photon pairs at distinct wavelengths or as heralded single-photon states at a given wavelength -- regimes neither previously conceptualized nor demonstrated. By coupling a two-photon entangled state to an electrically tunable liquid crystal topological defect, we engineer both nonlocal and local skyrmionic topologies in a reconfigurable platform. These results open new directions for …

Nonreciprocal magnetic-field-induced second harmonic generation of exciton polaritons in ZnSe
J. Mund, D. R. Yakovlev, A. Farenbruch, N. V. Siverin, M. A. Semina, M. M. Glazov, E. L. Ivchenko, M. Bayer
https://arxiv.org/abs/2507.12572

Nonreciprocal magnetic-field-induced second harmonic generation of exciton polaritons in ZnSe
We report on the optical second harmonic generation (SHG) on the 1S exciton-polariton resonance in bulk ZnSe that is subject to an external magnetic field applied perpendicular to the light wave vector $\mathbf k$ (Voigt geometry). For the symmetry allowed geometry with the $\mathbf{k}\parallel[111]$ crystal axes, the nonreciprocal dependence of the SHG intensity on the magnetic field direction is found. It is explained by an interference of the crystallographic and magnetic-field-induced SHG s…

Emergent anisotropic three-phase order in critically doped superconducting diamond films
Jyotirmay Dwivedi, Jake Morris, Saurav Islam, Kalana D. Halanayake, Gabriel A. Vazquez-Lizardi, David Snyder, Anthony Richardella, Luke Lyle, Danielle Reifsnyder Hickey, Nazar Delegan, F. Joseph Heremans, David D. Awschalom, Nitin Samarth
https://

Emergent anisotropic three-phase order in critically doped superconducting diamond films
Two decades since its discovery, superconducting heavily boron-doped diamond (HBDD) still presents unresolved fundamental questions whose resolution is relevant to the development of this material for quantum technologies. We use electrical magnetotransport measurements of critically-doped homoepitaxial single crystal HBDD films to reveal signatures of intrinsic (electronic) granular superconductivity. By studying the dependence of electrical resistivity on temperature and magnetic field vector…

History of the canonical basis and crystal basis
G. Lusztig
https://arxiv.org/abs/2507.20816 https://arxiv.org/pdf/2507.20816

History of the canonical basis and crystal basis
The history of the canonical basis and crystal basis of a quantized enveloping algebra and its representations is presented

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Er hat’s noch drauf! - Kunstschuss von Oliver Glasner sorgt für Staunen #News #Nachrichten

Chiral Wigner crystal phases induced by Berry curvature
Sandeep Joy, Leonid Levitov, Brian Skinner
https://arxiv.org/abs/2507.22121 https://arxiv.org/pdf/2…

Chiral Wigner crystal phases induced by Berry curvature
We consider the impact of Berry phase on the Wigner crystal (WC) state of a two-dimensional electron system. We consider first a model of Bernal bilayer graphene with a perpendicular displacement field, and we show that Berry curvature leads to a new kind of WC state in which the electrons acquire a spontaneous orbital angular momentum when the displacement field exceeds a critical value. We determine the phase boundary of the WC state in terms of electron density and displacement field at low …

Topological Electronic and phononic chiral edge states in SiTc Crystal
Shivendra Kumar Gupta, Saurabh Kumar Sen, Nagarjuna Patra, Ajit Singh Jhala, Poorva Singh
https://arxiv.org/abs/2506.23598

Topological Electronic and phononic chiral edge states in SiTc Crystal
Topological materials hosting multifold fermions and bosons have emerged as a rich platform for exploring unconventional quasiparticles and transport phenomena. In this work, we investigate the chiral crystal SiTc using first-principles density functional theory and symmetry-based analysis to explore its topological electronic and phononic properties. Our study identifies multiple high-fold degeneracies and topological nodes in both the electronic band structure and phonon dispersion. We have a…

Generation of frequency entanglement by rotating Doppler effect
Bolong Yi, Ling Chen, Baocheng Zhang
https://arxiv.org/abs/2506.09488 https://

Generation of frequency entanglement by rotating Doppler effect
We propose a method to generate the frequency entanglement, allowing a continuous generation of entangled two-photon states in a hybrid degree of freedom by post-manipulation. Our method is based on type-II spontaneous parametric down-conversion in a nonlinear crystal and the rotation Doppler effect by rotating the q-plates, without preset discrete frequency entanglement. This allows the arbitrary modification of frequency entangled photons in a wide frequency range at room temperature, offerin…

Decomposition Theorem for Product of Fundamental Crystals in Monomial Realization of type $C_n$
Manal Alshuqayr, Toshiki Nakashima
https://arxiv.org/abs/2507.21444 https://

Decomposition Theorem for Product of Fundamental Crystals in Monomial Realization of type $C_n$
We consider a product of fundamental crystals of type $C_n$ in monomial realization, where the product means a natural product of Laurent monomials, not a tensor product. Then we shall show that the product still holds a crystal structure and describe how it is decomposed into irreducible crystals, which is, in general, different from the decomposition rule for the tensor product of the fundamental crystals.

Projected branes as platforms for crystalline, superconducting, and higher-order topological phases
Archisman Panigrahi, Bitan Roy
https://arxiv.org/abs/2507.23783 https://

Projected branes as platforms for crystalline, superconducting, and higher-order topological phases
Projected branes are constituted by only a small subset of sites of a higher-dimensional crystal, otherwise placed on a hyperplane oriented at an irrational or a rational slope therein, for which the effective Hamiltonian is constructed by systematically integrating out the sites of the parent lattice that fall outside such branes [Commun. Phys. 5, 230 (2022)]. Specifically, when such a brane is constructed from a square lattice, it gives rise to an aperiodic Fibonacci quasi-crystal or its rati…

Reviewing Current-Driven Dynamics and Monte Carlo based Analysis of Thermodynamic Properties of a Magnetic Skyrmion Crystal
Rajdip Banerjee, Satyaki Kar
https://arxiv.org/abs/2506.23732

Reviewing Current-Driven Dynamics and Monte Carlo based Analysis of Thermodynamic Properties of a Magnetic Skyrmion Crystal
Magnetic skyrmions with its topologically protected, nano-sized spin textures have already earned immense fame as information carriers due to their stability and low-current mobility. While ferromagnetic skyrmions suffer from a transverse deflection (i.e., the skyrmion Hall effect), their anti-ferromagnetic counterparts promise straight-line motion and ultrafast dynamics. Here we present a numerical study of the dynamics of lattice-based antiferromagnetic skyrmions driven by spin-transfer torqu…

Probing electronic state-dependent conformational changes in a trapped Rydberg ion Wigner crystal
Marion Mallweger, Natalia Kuk, Vinay Shankar, Robin Thomm, Harry Parke, Ivo Straka, Weibin Li, Igor Lesanovsky, Markus Hennrich
https://arxiv.org/abs/2507.23631

Probing electronic state-dependent conformational changes in a trapped Rydberg ion Wigner crystal
State-dependent conformational changes play a central role in molecular dynamics, yet they are often difficult to observe or simulate due to their complexity and ultrafast nature. One alternative approach is to emulate such phenomena using quantum simulations with cold, trapped ions. In their electronic ground state, these ions form long-lived Wigner crystals. When excited to high-lying electronic Rydberg states, the ions experience a modified trapping potential, resulting in a strong coupling …

Wafer-scale Programmed Assembly of One-atom-thick Crystals
Seong-Jun Yang, Ju-Hyun Jung, Eunsook Lee, Edmund Han, Min-Yeong Choi, Daesung Jung, Shinyoung Choi, Jun-Ho Park, Dongseok Oh, Siwoo Noh, Ki-Jeong Kim, Pinshane Y. Huang, Chan-Cuk Hwang, Cheol-Joo Kim
https://arxiv.org/abs/2507.22677

Wafer-scale Programmed Assembly of One-atom-thick Crystals
Crystalline films offer various physical properties based on the modulation of their thicknesses and atomic structures. The layer-by-layer assembly of atomically thin crystals provides powerful means to arbitrarily design films at the atomic-level, which are unattainable with existing growth technologies. However, atomically-clean assembly of the materials with high scalability and reproducibility remains challenging. We report programmed crystal assembly (PCA) of graphene and monolayer hexagon…

Discovery of spontaneous mesoscopic strain waves in nematic domains using dark-field X-ray microscopy
Kaan Alp Yay, W. Joe Meese, Elliot Kisiel, Matthew J. Krogstad, Anisha G. Singh, Rafael M. Fernandes, Zahir Islam, Ian R. Fisher
https://arxiv.org/abs/2507.23752

Discovery of spontaneous mesoscopic strain waves in nematic domains using dark-field X-ray microscopy
Electronic nematic order is a correlated phase of matter in which low-energy electronic states spontaneously break a discrete rotational symmetry of a crystal lattice. Bilinear coupling between the electronic nematic and strains of the same symmetry yields a single pseudoproper ferroelastic phase transition at which both the nematic and lattice strain onset concurrently. To minimize elastic energy, the crystal forms structural twin domains, each with a distinct orientation of the nematic direct…

Non-volatile photorefractive tuning and green light generation in a diamond cavity
Joe Itoi, Elham Zohari, Nicholas J. Sorensen, Waleed El-Sayed, Joseph E. Losby, Gustavo O. Luiz, Sigurd Fl{\aa}gan, Paul E. Barclay
https://arxiv.org/abs/2507.19583

Non-volatile photorefractive tuning and green light generation in a diamond cavity
Single-crystal diamond nanocavities have tremendous potential for use in quantum and nonlinear optical technologies. The ability to precisely control their resonant frequencies is essential for many applications, and $\textit{in situ}$ tuning is particularly desirable. In this work, we demonstrate deterministic and non-volatile resonance tuning of a diamond nanocavity. We observed a photorefractive effect in concert with the generation of third-harmonic light within the device. This effect blue…

Replaced article(s) found for physics.app-ph. https://arxiv.org/list/physics.app-ph/new
[1/1]:
- InGaN Nanopixel Arrays on Single Crystal GaN Substrate
Anand, Azad, Jenson, Ghosh, Baten, Ku, Muziol, Sadaf

The size effect on nucleation process during solidification of metals
A. S. Nuradinov, K. A. Sirenko, I. A. Nuradinov, O. V. Chystiakov, D. O. Derecha
https://arxiv.org/abs/2507.04737

The size effect on nucleation process during solidification of metals
This work investigates the mechanisms of crystal nucleation in metal melts, in dependence on the influence of their shape and volume. Investigations were conducted on both thin flat and bulk samples prepared of low-temperature Wood's metal alloy and transparent organic media (camphene and diphenylamine). The study revealed that in flat samples, the nucleation rate is primarily influenced by the activity of the mold wall surface, which is affected by melt overheating and subcooling, while in bul…

Radiation-tolerant polarized solid target
K. Tateishi, Y. Saito, D. Takahashi, K. Sekiguchi, K. Aradono, K. Hirasawa, Y. Maeda, Y. Nagao, H. Nishibata, S. Otsuka, H. Sakai, H. Sugahara, K. Suzuki, T. Uesaka, T. Wakasa, A. Watanabe
https://arxiv.org/abs/2508.06549

Radiation-tolerant polarized solid target
Polarized targets evolved into indispensable tools in particle and nuclear physics. However, the polarized solid target is degraded by high-intense beam irradiation, known as radiation damage due to target heating and radical generation. We demonstrated a radiation-tolerant polarized solid target operating at room temperature. An annealing allows the spontaneous repair of the damage by reducing unwanted radicals. Using a single crystal of $\it p$-terphenyl doped with 0.01 mol\% pentacene-$\it d…

Collective Fluorescence of Graphene Quantum Dots on a Halide Perovskite Crystal
Hugo Levy-Falk, Suman Sarkar, Thanh Trung Huynh, Daniel Medina-Lopez, Lauren Hurley, Oc\'eane Capelle, Muriel Bouttemy, Ga\"elle Tripp\'e-Allard, St\'ephane Campidelli, Lo\"ic Rondin, Elsa Cassette, Emmanuelle Deleporte, Jean-S\'ebastien Lauret
https://

Collective Fluorescence of Graphene Quantum Dots on a Halide Perovskite Crystal
This study explores the dynamical collective fluorescence of $C_{96}tBu_8$ graphene quantum dots when deposited on the surface of monocrystalline halide perovskite. Despite the tendency of the graphene quantum dots to avoid aggregation in solution and polymer matrices, our findings reveal distinct collective behaviors when deposited on the perovskite surface, here $CH_3NH_3PbBr_3$. We observed small clusters of graphene quantum dots rather than isolated single molecules through confocal fluores…

EuPdSn2; magnetic structures in view of resonant x-ray Bragg diffraction
Stephen W. Lovesey
https://arxiv.org/abs/2506.23745 https://…

EuPdSn2; magnetic structures in view of resonant x-ray Bragg diffraction
The magnetic properties of materials hosting Eu2+(J = 7/2, 4f7) ions have attracted much attention in the science of strongly correlated electrons. In part because crystal electric field effects are impoverished for an s-state ion, as with Gd3+ intermetallics, and Eu2+ substitution in biological and optically active materials is resourceful. The magnetic structure of EuPdSn2 is not wholly resolved. Ferromagnetic and antiferromagnetic structures coexist in powder neutron diffraction patterns, an…

Broadband ferromagnetic resonance in Ni-Mn-Ga single crystal
Lud\v{e}k Kraus, Denys Musiienko, Martin Kempa, Jaroslav \v{C}apek
https://arxiv.org/abs/2507.22600 https://

Broadband ferromagnetic resonance in Ni-Mn-Ga single crystal
We present a broadband ferromagnetic resonance study in single crystalline Ni$_{50}$Mn$_{28.1}$Ga$_{21.9}$ in the temperature range from room temperature to 120 °C in which the transformation from martensite to austenite phase takes place. Our measurements demonstrate that a large change (an order of magnitude) in the magnetocrystalline anisotropy at the martensitic phase transformation results in a sharp change of the resonance magnetic field. In a single variant martensite phase, the resonan…

Revealing Nanoscale Ni-Oxidation State Variations in Single-Crystal NMC811 via 2D and 3D Spectro-Ptychography
Ralf F. Ziesche, Michael J. Johnson, Ingo Manke, Joshua H. Cruddos, Alice V. Llewellyn, Chun Tan, Rhodri Jervis, Paul R. Shearing, Christoph Rau, Alexander J. E. Rettie, Silvia Cipiccia, Darren Batey
https://arxiv.org/abs/2507.2283…

Revealing Nanoscale Ni-Oxidation State Variations in Single-Crystal NMC811 via 2D and 3D Spectro-Ptychography
Enabling lithium (Li)-ion batteries with higher energy densities, longer cycle life, and lower costs will underpin the widespread electrification of the transportation and large-scale energy storage industries. Nickel (Ni)-rich layered oxide cathodes, such as LiNi$_{x}$Mn$_{y}$Co$_{z}$O$_{2}$ (NMC, x > 0.8), have gained popularity due to their high specific capacities and lower cobalt content. However, the standard polycrystalline morphology suffers from accelerated degradation at voltages abov…

Piezoelectric truss metamaterials: data-driven design and additive manufacturing
Saurav Sharma, Satya K. Ammu, Prakash Thakolkaran, Jovana Jovanova, Kunal Masania, Siddhant Kumar
https://arxiv.org/abs/2506.22451

Piezoelectric truss metamaterials: data-driven design and additive manufacturing
In the development of active animate materials, electromechanical coupling is highly attractive to realize mechanoresponsive functionality. Piezoelectricity is the most utilized electromechanical phenomenon due to the wide availability of materials that display precise and reliable coupling. However, the inherent directionality of these materials is constrained by the symmetry of their crystal structure, which limits the choice of available properties in natural piezoelectric materials. A solut…

Replaced article(s) found for physics.ins-det. https://arxiv.org/list/physics.ins-det/new
[1/1]:
- Scintillation characteristics of an undoped CsI crystal at low-temperature for dark matter search
W. K. Kim, H. Y. Lee, K. W. Kim, Y. J. Ko, J. A. Jeon, H. J. Kim, H. S. Lee

Ensemble nonlinear optical learner by electrically tunable linear scattering
Tunan Xia, Cheng-Kuan Wu, Duan-Yi Guo, Lidan Zhang, Bofeng Liu, Tsung-Hsien Lin, Xingjie Ni, Iam-Choon Khoo, Zhiwen Liu
https://arxiv.org/abs/2506.19976

Ensemble nonlinear optical learner by electrically tunable linear scattering
Recent progress in effective nonlinearity, achieved by exploiting multiple scatterings within the linear optical regime, has been demonstrated to be a promising approach to enable nonlinear optical processing without relying on actual material nonlinearity. Here we introduce an ensemble nonlinear optical learner, via electrically tunable linear scattering in a liquid-crystal-polymer composite film under low optical power and low applied electrical voltages. We demonstrate, through several image…

Magnetism of kagome metals $\left(\text{Fe}_{1-x} \text{Co}_{x}\right) \text{Sn}$ studied by $\mu$SR
Yipeng Cai, Sungwon Yoon, Qi Sheng, Guoqiang Zhao, Eric Francis Seewald, Sanat Ghosh, Julian Ingham, Abhay Narayan Pasupathy, Raquel Queiroz, Hechang Lei, Yaofeng Xie, Pengcheng Dai, Takashi Ito, Ruyi Ke, Robert J. Cava, Sudarshan Sharma, Mathew Pula, Graeme M. Luke, Kenji M. Kojima, Yasutomo J. Uemura

Magnetism of kagome metals $\left(\text{Fe}_{1-x} \text{Co}_{x}\right) \text{Sn}$ studied by $μ$SR
We study the magnetic properties of the metallic kagome system $\left(\mathrm{Fe}_{1-x} \mathrm{Co}_{x}\right) \mathrm{Sn}$ by a combination of Muon Spin Relaxation ($μ\mathrm{SR}$), magnetic susceptibility and Scanning Tunneling Microscopy (STM) measurements, in single crystal specimens with Co concentrations $\mathrm{x}=0,0.11,0.8$. In the undoped antiferromagnetic compound FeSn, we find possible signatures for a previously unidentified phase that sets in at $T^*\sim 50$ K, well beneath the …

Direct observation of distinct bulk and edge nonequilibrium spin accumulation in ultrathin MoTe$_2$
Fangchu Chen, Kamal Das, Bowen Yang, Chuangtang Wang, Shazhou Zhong, Diana Golovanova, He Ren, Tianyang Wang, Xuan Luo, Yuping Sun, Liuyan Zhao, Guo-Xing Miao, Binghai Yan, Adam W. Tsen
https://arxiv.org/abs/2507.04437

Direct observation of distinct bulk and edge nonequilibrium spin accumulation in ultrathin MoTe$_2$
Low-symmetry two-dimensional (2D) topological materials such as MoTe$_2$ host efficient charge-to-spin conversion (CSC) mechanisms that can be harnessed for novel electronic and spintronic devices. However, the nature of the various CSC mechanisms and their correlation with underlying crystal symmetries remain unsettled. In this work, we use local spin-sensitive electrochemical potential measurements to directly probe the spatially dependent nonequilibrium spin accumulation in MoTe$_2$ flakes d…

Importance of anisotropic interactions for hard-axis/plane ordering of Ce-based ferromagnets
Hanshang Jin, Rahim R. Ullah, Peter Klavins, Valentin Taufour
https://arxiv.org/abs/2507.02615

Importance of anisotropic interactions for hard-axis/plane ordering of Ce-based ferromagnets
Ferromagnetic (FM) Kondo-lattice (KL) compounds often exhibit intriguing magnetic behavior driven by strong crystal electric field (CEF) anisotropy and exchange interactions. Recent studies suggest that many Ce-based and Yb-based KL ferromagnets order along the hard-axis or hard-plane determined by their CEF ground state. We performed a survey of Ce-based FM compounds, complemented with new single crystal synthesis, magnetization measurements, and analysis of the CEF scheme. Our results reveal …

Stability and Symmetry-Assured Crystal Structure Generation for Inverse Design of Photocatalysts in Water Splitting
Zhilong Song, Chongyi Ling, Qiang Li, Qionghua Zhou, Jinlan Wang
https://arxiv.org/abs/2507.19307

Stability and Symmetry-Assured Crystal Structure Generation for Inverse Design of Photocatalysts in Water Splitting
Generative models are revolutionizing materials discovery by enabling inverse design-direct generation of structures from desired properties. However, existing approaches often struggle to ensure inherent stability and symmetry while precisely generating structures with target compositions, space groups, and lattices without fine-tuning. Here, we present SSAGEN (Stability and Symmetry-Assured GENerative framework), which overcomes these limitations by decoupling structure generation into two di…

Topological constraint on crystalline current
Tomohiro Soejima, Junkai Dong, Ophelia Evelyn Sommer, Daniel E. Parker, Ashvin Vishwanath
https://arxiv.org/abs/2507.18611 https://…

Topological constraint on crystalline current
How much current does a sliding electron crystal carry? The answer to this simple question has important implications for the dynamic properties of the crystal, such as the frequency of its cyclotron motion, and its phonon spectrum. In this work we introduce a precise definition of a sliding crystal and compute the corresponding current $\mathbf{j}_c$ for topological electron crystals in the presence of magnetic field. Our result is fully non-perturbative, does not rely on Galilean invariance, …

Impact of Metal Cation on Chiral Properties of 2D Halide Perovskites
Mike Pols, Helena Boom, Geert Brocks, Sof\'ia Calero, Shuxia Tao
https://arxiv.org/abs/2508.00158 https:…

Impact of Metal Cation on Chiral Properties of 2D Halide Perovskites
Chiral two-dimensional (2D) halide perovskites are formed by embedding chiral organic cations in a perovskite crystal structure. The chirality arises from distortions of the 2D metal halide layers induced by the packing of these organic cations. Sn-based octahedra spontaneously distort, but it remains unclear whether this intrinsic structural instability enhances the chirality. We investigate the effect of the metal cation on structural and phonon chirality in MBA$_{2}$Sn$_{\mathrm{x}}$Pb$_{1-\…

Searching for evidence of strengthening by short-range order in the CrCoNi medium entropy alloy
Novin Rasooli, Matthew Daly
https://arxiv.org/abs/2507.01147

Searching for evidence of strengthening by short-range order in the CrCoNi medium entropy alloy
The coupling of strength to short-range order (SRO) in the CrCoNi medium entropy alloy remains hotly debated, with conflicting reports supporting and opposing SRO-induced strengthening continuing to emerge. A direct understanding of this effect remains elusive, due to difficulties in the quantification of SRO. Here, we deliver a structurally agnostic analysis that searches for unusual patterns in crystal size effects as evidence of SRO-induced strengthening. For this purpose, we assemble a larg…

Replaced article(s) found for cond-mat.mtrl-sci. https://arxiv.org/list/cond-mat.mtrl-sci/new
[2/2]:
- InGaN Nanopixel Arrays on Single Crystal GaN Substrate
Anand, Azad, Jenson, Ghosh, Baten, Ku, Muziol, Sadaf

Kerr microscopy study of magnetic domains and their dynamics in bulk Ni-Mn-Ga austenite
A. Perevertov, I. Soldatov, R. Schaefer, R. H. Colman, O. Heczko
https://arxiv.org/abs/2506.23617

Kerr microscopy study of magnetic domains and their dynamics in bulk Ni-Mn-Ga austenite
The observation of magnetic domains on austenite Ni-Mn-Ga bulk samples has been a big challenge for many years. Using advanced Kerr microscopy, with automatic compensation of the sample motion and monochromatic LED light we were able to observe magnetic domains and follow their evolution with magnetic field on the _100_ faces of an austenite bulk single crystal. After mechanical polishing variable fine stress-induced domains patterns were observed at different locations. The surface coercivity …

Alter-Piezoresponse in Two-Dimensional Lieb-Lattice Altermagnets
Xilong Xu, Li Yang
https://arxiv.org/abs/2506.22663 https://arxiv.or…

Alter-Piezoresponse in Two-Dimensional Lieb-Lattice Altermagnets
Altermagnetism, featuring alternating spin structures in reciprocal space, has sparked growing interest. Here, we predict novel real-space alternative piezomagnetic and piezoelectric responses in an emerging altermagnetic family of Lieb lattices, specifically transition-metal chalcogenides M2WS4 (M = Mn, Fe, Co). The unique S4T crystal-spin symmetry leads to distinct magnetic and electric responses depending on the direction of applied stress. When subjected to axial stress, they exhibit a gian…

Unconventional spin texture driven by higher-order spin-orbit interactions
Jiaxuan Wu, Boyun Zeng, Hanghui Chen
https://arxiv.org/abs/2507.22475 https://ar…

Unconventional spin texture driven by higher-order spin-orbit interactions
Spin splitting and the resulting spin texture are central to emerging spintronic applications. In non-centrosymmetric non-magnetic materials containing heavy elements, spin textures are typically governed by low-order, momentum-dependent spin-orbit interactions, such as Rashba spin-orbit interaction with linear or cubic order in crystal momentum. In this work, we use \textit{ab initio} calculations to reveal a previously unidentified spin texture in the conduction bands of a prototypical ferroe…

Spray flame synthesis of Y2O3-MgO nanoparticles for mid-infrared transparent nanocomposite ceramics
Shuting Lei, Yiyang Zhang, Xing Jin, Yanan Li, Zhu Fang, Shuiqing Li
https://arxiv.org/abs/2507.22443

Spray flame synthesis of Y2O3-MgO nanoparticles for mid-infrared transparent nanocomposite ceramics
Spray flame synthesis offers a promising method for scalable production of homogeneously mixed Y2O3-MgO nanopowders as next-generation infrared-transparent window material, which has attracted significant attention owing to its excellent optical properties at high temperatures. However, systematic understanding of how flame synthesis parameters influence particle morphology, crystal phase, solid solubility, and subsequent ceramic performance remains insufficiently understood. In this study, we …

Extended Factorization Machine Annealing for Rapid Discovery of Transparent Conducting Materials
Daisuke Makino, Tatsuya Goto, Yoshinori Suga
https://arxiv.org/abs/2507.23160 ht…

Extended Factorization Machine Annealing for Rapid Discovery of Transparent Conducting Materials
The development of novel transparent conducting materials (TCMs) is essential for enhancing the performance and reducing the cost of next-generation devices such as solar cells and displays. In this research, we focus on the (Al$_x$Ga$_y$In$_z$)$_2$O$_3$ system and extend the FMA framework, which combines a Factorization Machine (FM) and annealing, to search for optimal compositions and crystal structures with high accuracy and low cost. The proposed method introduces (i) the binarization of co…