Preventing quart-NaI adhesion in Bridgman growth using ammonium iodide
Lam Tan Truc, N. T. Luan, Gul Rooh, O. Gileva, K. A. Shin, H. S. Lee, A. Iltis, C. R. Byeon, C. H. Lee, H. J. Kim
https://arxiv.org/abs/2608.21171 https://arxiv.org/pdf/2608.21171 https://arxiv.org/html/2608.21171
arXiv:2608.21171v1 Announce Type: new
Abstract: Adhesion between NaI(Tl) single crystals and the walls of quartz ampoules remains a major limitation for Bridgman growth under sealed conditions, particularly for applications requiring ultra-radiopure scintillators for dark matter searches, where sealed handling is essential. In this study, ammonium iodide (NH4I) was used as an additive to generate HI in situ, thereby suppressing the NaOH-SiO2 reaction that forms adhesive sodium silicate phases. Small-diameter crystals (8 mm) were first grown to determine the NH4I concentration required to eliminate adhesion. The optimized condition was then applied to the growth of a large NaI(Tl) crystal. A crack-free and bubble-free NaI(Tl) crystal with dimensions of 3 inches in diameter by 3 inches in length was successfully grown. The crystal exhibited a light output of 59,000 photons/MeV, which is higher than that of the commercial NaI(Tl) crystals used as references in this study.
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#FightFortressEurope
Looks interesting. "The study, titled “Law Professors Prefer AI Over Peer Answers,” was conducted with 16 law professors across U.S. law schools and tested whether large language models could serve as effective tutors for contract law courses.In a blind evaluation of nearly 3,000 anonymized comparisons, professors rated AI responses significantly higher than answers written by other professors, with AI winning 75% of head-to-head matchups."
Toen Trump afgelopen week zei dat Israël en Hamas akkoord waren kom je dit natuurlijk al weten. Dat was even waar als dat Iran hem zou smeken om een deal.
Netanyahu keurt plan van Trumps 'Vredesraad' voor Gaza af https://nos.nl/l/2626158
„Große, breite, rote Straßen verweben sich wie ein Pilzgeflecht in der Innenstadt Utrechts. [..] Im Sekundentakt rollen Radfahrer, oft wie an einer Perlenkette aneinandergereiht, auf dem Asphalt, der fast nirgendwo Schlaglöcher aufweist.“
https://www.tagesschau.de/ausland/europa/n
Anonymous Hollywood advice for David Ellison to get his WBD deal done: announce more jobs for starved-for-work LA, fire Bari Weiss, and chat with Kamala Harris (Dominic Patten/Deadline)
https://deadline.com/2026/08/paramount-warner-merger-kamala-harris-12370158…
Wir müssen annehmen, dass die KI den Weg ins Internet und den Angriff eigenständig entwickelt hat, sagt DFKI-Chef Antonio Krüger im FAZ-Interview (€) über den OpenAI-Vorfall bei Hugging Face. Sein Fazit: Europa braucht eine eigene, souveräne KI-Modellfamilie statt US- oder China-Systemen. (FAZ, Alexander Armbruster) #KI
Michael Adam (SPD) tritt als Bürgermeister von Bodenmais zurück – zum 31. Dezember 2026. Der Marktrat muss den Antrag noch annehmen.
Als Grund nennt er das Klima im Marktgemeinderat. Den Rücktritt aus freien Stücken bezahlt er mit seinen Rentenansprüchen.
Unabhängig davon, wie man zu ihm steht: Wenn Kommunalpolitik Menschen so zermürbt, ist das ein Problem, das über eine Person hinausgeht.
This kind of behavior from the dipshit is just gross.
"Employees of the US Department of Agriculture, the State Department, and the Department of Labor, who spoke to WIRED on the condition of anonymity due to fear of retaliation, say that they were disturbed when the app appeared on their phones. Some attempted to delete it, but to no avail.
“I deleted it as a test and it came immediately back,” says an employee from the USDA."
#Politics #Pol #USPol #Trump