Zobrazeno 1 - 10
of 3 433
pro vyhledávání: '"powder X‐ray diffraction"'
Autor:
Titouan Simonnet, Sylvain Grangeon, Francis Claret, Nicolas Maubec, Mame Diarra Fall, Rachid Harba, Bruno Galerne
Publikováno v:
IUCrJ, Vol 11, Iss 5, Pp 859-870 (2024)
Mineral identification and quantification are key to the understanding and, hence, the capacity to predict material properties. The method of choice for mineral quantification is powder X-ray diffraction (XRD), generally using a Rietveld refinement a
Externí odkaz:
https://doaj.org/article/4a7e890fe4f848e58bfef69681727b40
Autor:
João G. de Oliveira Neto, Jacivan V. Marques, Jayson C. dos Santos, Adenilson O. dos Santos, Rossano Lang
Publikováno v:
Physchem, Vol 4, Iss 3, Pp 319-333 (2024)
Tutton salts form an isomorphic crystallographic family that has been intensively investigated in recent decades due to their attractive thermal and optical properties. In this work, we report four mixed Tutton crystals (obtained by the slow solvent
Externí odkaz:
https://doaj.org/article/792685f2e8424ecb958cf4495b6cd1bb
Autor:
Shogo Kawaguchi, Shintaro Kobayashi, Hiroki Yamada, Hirotaka Ashitani, Michitaka Takemoto, Yasuhiko Imai, Takaki Hatsui, Kunihisa Sugimoto, Osami Sakata
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 4, Pp 955-967 (2024)
The demand for powder X-ray diffraction analysis continues to increase in a variety of scientific fields, as the excellent beam quality of high-brightness synchrotron light sources enables the acquisition of high-quality measurement data with high in
Externí odkaz:
https://doaj.org/article/8f70812f848549d29bfea343c73dd7b0
Autor:
Anna Mauri, Rebecca Vismara, Marco Moroni, Esther Roldán‐Molina, Jorge A. R. Navarro, Simona Galli
Publikováno v:
Small Science, Vol 4, Iss 12, Pp n/a-n/a (2024)
Due to their similar boiling points, separation of benzene and cyclohexane mixtures is among the current challenging processes faced by the petrochemical industry. As recently assessed, the soft imine‐based covalent organic framework [(TAM)(BDA)2]
Externí odkaz:
https://doaj.org/article/42f31a7843ce40f192f56ddc0769ccec
Publikováno v:
Фізика і хімія твердого тіла, Vol 25, Iss 2, Pp 325-332 (2024)
Alloys from the regions of existence of the solid solutions RxTb2-xNi17 and Tb2Ni17-yMy were synthesized by arc-melting with further annealing at 400 ºС. Quantitative and qualitative composition of alloys and powders of electrode materials was dete
Externí odkaz:
https://doaj.org/article/5832cbe798ba45b0bd8cd6210b623dbe
Publikováno v:
Physics Open, Vol 20, Iss , Pp 100224- (2024)
This report presents investigation on influence of pH on growth, structural, thermal, linear and nonlinear optical properties of L-asparagine monohydrate (LAM) single crystal for the first time. Single crystals of LAM were grown at different pH by so
Externí odkaz:
https://doaj.org/article/22a57d2ff51e463cb733451b8a007c18
Autor:
Neeraj Singh, Preetam Singh
Publikováno v:
Chemistry of Inorganic Materials, Vol 3, Iss , Pp 100048- (2024)
High dielectric constant materials are of technological importance as they lead to the miniaturization of electronic devices. The permittivity of a material determines the relative speed that an electrical signal can travel in that material. The diel
Externí odkaz:
https://doaj.org/article/79c46ec07fc542aa8056148bd4a425f4
Autor:
Christian Näther, Inke Jess
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 2, Pp 152-156 (2024)
Reaction of CoBr2 with 2-methylpyridine N-oxide in n-butanol leads to the formation of the title compound, [CoBr2(C6H7NO)2] or [CoBr2(2-methylpyridine N-oxide)2]. Its asymmetric unit consists of one CoII cation as well as two bromide anions and two 2
Externí odkaz:
https://doaj.org/article/ef80b8284ef6488c8eb9bbba2b441c9a
Autor:
János Madarász, László Hegedűs
Publikováno v:
Crystals, Vol 14, Iss 11, p 938 (2024)
Structures of some hydrogenated products and intermediates, prepared by a heterogeneous Pd/C or Ru/C catalyst starting from 4-pyridinecarbonitrile (4PN), in water and in the presence of an acidic additive (HCl or H2SO4), were confirmed in various sal
Externí odkaz:
https://doaj.org/article/512a74e069b04f15bf09b9d87376d991
Autor:
Nikolaos I. Prasianakis
Publikováno v:
IUCrJ, Vol 11, Iss 5, Pp 647-648 (2024)
The use of convolutional neural networks can revolutionize XRD analysis by significantly reducing processing times. Demonstration against synthetic and real mineral mixture data provide a first assessment of the accuracy of such methods.
Externí odkaz:
https://doaj.org/article/2474f477571e4120ae387a577915c5e7