Zobrazeno 1 - 10
of 7 655
pro vyhledávání: '"Polymorphs"'
Autor:
Rei Kanemaru, Naoya Imae, Akira Yamaguchi, Aiko Nakato, Junko Isa, Makoto Kimura, Hirotsugu Nishido, Tomohiro Usui, Takashi Mikouchi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Silica polymorphs occur under various pressures and temperature conditions, and their characteristics can be used to better understand the complex metamorphic history of planetary materials. Here, we conducted isothermal heating experiments
Externí odkaz:
https://doaj.org/article/512b9db7d24444d5be03b8de75a8739b
Autor:
Cindy Döring, Peter G. Jones
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 8, Pp 894-909 (2024)
The structures of seven gold(III) halide derivatives of general formula LAuX3 (L = methylpyridines or dimethylpyridines, X = Cl or Br) are presented: trichlorido(2-methylpyridine)gold(III), [AuCl3(C6H7N)], 1 (as two polymorphs 1a and 1b); tribromido(
Externí odkaz:
https://doaj.org/article/ee6f5ff513034a98af7db4baba918b47
Publikováno v:
South African Journal of Chemical Engineering, Vol 49, Iss , Pp 73-85 (2024)
Nanocrystal TiO2 of high crystallinity (88.72 %) polymorphs have been synthesized by a unique simple route. At a low temperature under a measurable condition with differentiated hydrolysis pH of the reaction. Here titanium isopropoxide (TTIP) is used
Externí odkaz:
https://doaj.org/article/f91aec53581848d2b2b79b09183aaa8d
Akademický článek
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Autor:
Ankita Sinha, Suphal Sen, Aniruddha Ghosh, Sourav Mukherjee, Suparna Banerjee, Jaydip Gangopadhyay
Publikováno v:
Results in Chemistry, Vol 10, Iss , Pp 101710- (2024)
The structural parameters of the lattice water (∠H-O-H=141.79° and dO-H=0.896 Å) in the orthorhombic Fdd2 polymorph of PPh3O.hemihydrate as revealed by the Baures’s report more than three decades ago, considerably deviate from the standard bond
Externí odkaz:
https://doaj.org/article/553b3b98c98249d2bd28e5acd30e15ca
Publikováno v:
Nanophotonics, Vol 13, Iss 12, Pp 2089-2099 (2024)
Chalcogenide-based nonvolatile phase change materials (PCMs) have a long history of usage, from bulk disk memory to all-optic neuromorphic computing circuits. Being able to perform uniform phase transitions over a subwavelength scale makes PCMs parti
Externí odkaz:
https://doaj.org/article/9f7cfd3c97e44e10910f0568d15ff27e
Autor:
Tiago Araujo Gomes, Tatiana Pereira da Silva, Edson Machado, Sidra Ezidio Gonçalves Vasconcelos, Bruno Siqueira Mietto, Daniela Ferreira de Faria Bertoluci, Patricia Sammarco Rosa, Roberta Olmo Pinheiro, Philip Noel Suffys, Letícia Miranda Santos Lery, Flavio Alves Lara
Publikováno v:
Pathogens, Vol 13, Iss 11, p 986 (2024)
Throughout Mycobacterium leprae’s (M. leprae) evolutionary trajectory, nearly half of its genome was converted into pseudogenes. Despite this drastic reduction in genetic content, the genome sequence identity among M. leprae isolates worldwide is r
Externí odkaz:
https://doaj.org/article/fc976f82b1ce4c03bdc105b60aa1e32e
Autor:
Bradley B. Garrison, Joseph E. Duhamel, Nehemiah Antoine, Steven J. K. Symes, Kyle A. Grice, Colin D. McMillen, Jared A. Pienkos
Publikováno v:
Molbank, Vol 2024, Iss 2, p M1823 (2024)
4-(tris(4-methyl-1H-pyrazol-1-yl)methyl)aniline was prepared in a 63% yield utilizing a C–F activation strategy from a mixture of 4-(trifluoromethyl)aniline, 4-methylpyrazole, and KOH in dimethylsulfoxide (DMSO). The identity of the product was con
Externí odkaz:
https://doaj.org/article/e053600dc9384f5b87c2719fa65b0841
Autor:
Regine Herbst-Irmer, Xiaobai Wang, Laura Haberstock, Ingo Köhne, Rainer Oswald, Jörg Behler, Dietmar Stalke
Publikováno v:
IUCrJ, Vol 10, Iss 6, Pp 766-771 (2023)
Phosphorus exists in several different allotropes: white, red, violet and black. For industrial and academic applications, white phosphorus is the most important. So far, three polymorphs of white phosphorus, all consisting of P4 tetrahedra, have bee
Externí odkaz:
https://doaj.org/article/5b5d2b647e134fe69d0ba6371fd2662c
Akademický článek
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