NpSe 2 : a Binary Chalcogenide Containing Modulated Selenide Chains and Ambiguous‐Valent Metal

Autor: Suntharalingam Skanthakumar, Yung Jin Hu, Tsu-Chien Weng, Geng Bang Jin, L. Soderholm, Dimosthenis Sokaras, Corwin H. Booth, James A. Ibers, Christos D. Malliakas

Publikováno v: Angewandte Chemie International Edition. 58:16130-16133

A new binary compound, NpSe2, possesses metal-chalcogen and chalcogen-chalcogen interactions different from those reported for other metal dichalcogenides. Its structure is incommensurately modulated and features linear Se chains and valence-ambiguou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1d5615e419b6c4cc9c3fc7ee32694ff
https://doi.org/10.1002/anie.201910353

Cs3ScCl6

Autor: Matthew D. Ward, James A. Ibers

Publikováno v: Acta Crystallographica Section E, Vol 70, Iss 6, Pp i25-i25 (2014)

Crystals of tricaesium scandium(III) hexachloride were obtained as a side product from the reaction of U, SnCl2, Sc, and S in a CsCl flux at 1073 K. Cs3ScCl6 crystallizes in the Rb3YCl6 structure type. The asymmetric unit comprises three Cs sites, tw

Externí odkaz: https://doaj.org/article/1b7cc85cacfa4e4b856b35d2a6010efe

Syntheses, modulated crystal structures of Ba6−2xU2+xAg4Se12 (x = 0 and 0.5), and crystal structure and spectroscopy of Sr4Th2.78Cu4S12

Autor: Jessica C. Beard, Adel Mesbah, Jai Prakash, James A. Ibers, Sébastien Lebègue, Christos D. Malliakas

Publikováno v: Journal of Solid State Chemistry
Journal of Solid State Chemistry, Elsevier, 2018, 268, pp.30-35. ⟨10.1016/j.jssc.2018.08.025⟩
Journal of Solid State Chemistry, 2018, 268, pp.30-35. ⟨10.1016/j.jssc.2018.08.025⟩

Single crystals of Ba6−2xU2+xAg4Se12 (x = 0 and 0.5) and Sr4Th2.78Cu4S12 were obtained by standard solid-state chemistry methods at 1173 K. The Ba6−2xU2+xAg4Se12 structures are modulated. They were solved and refined in the monoclinic C2(α0γ)0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a39c4c89b0987f946710efd4868fe6cf
https://doi.org/10.1016/j.jssc.2018.08.025

Ternary Chalcogenides BaM x Te 2 (M = Cu, Ag): Syntheses, Modulated Crystal Structures, Optical Properties, and Electronic Calculations

Autor: Gopabandhu Panigrahi, James A. Ibers, Adel Mesbah, Saber Gueddida, Jai Prakash, Mohd Ishtiyak, Subhendu Jana, Christos D. Malliakas, Sébastien Lebègue

Publikováno v: Inorganic Chemistry
Inorganic Chemistry, American Chemical Society, 2020, 59 (17), pp.12276-12285. ⟨10.1021/acs.inorgchem.0c01319⟩
Inorganic Chemistry, 2020, 59 (17), pp.12276-12285. ⟨10.1021/acs.inorgchem.0c01319⟩

Standard solid-state methods produced black crystals of the compounds BaCu0.43(3)Te2 and BaAg0.77(1)Te2 at 1173 K; the crystal structures of each were established using single-crystal X-ray diffraction data. Both crystal structures are modulated. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae4a340aa75d9d8b8161614d05edcc28
https://hal.archives-ouvertes.fr/hal-03005933/file/BaMTe2.pdf

Modulated Linear Tellurium Chains in Ba 3 ScTe 5 : Synthesis, Crystal Structure, Optical and Resistivity Studies, and Electronic Structure

Autor: Gopabandhu Panigrahi, Mohd Ishtiyak, Adel Mesbah, Sébastien Lebègue, Christos D. Malliakas, Subhendu Jana, Jai Prakash, James A. Ibers

Publikováno v: Inorganic Chemistry
Inorganic Chemistry, 2020, 59 (4), pp.2434-2442. ⟨10.1021/acs.inorgchem.9b03319⟩
Inorganic Chemistry, American Chemical Society, 2020, 59 (4), pp.2434-2442. ⟨10.1021/acs.inorgchem.9b03319⟩

A new ternary telluride, Ba3ScTe5, with a pseudo-one-dimensional structure, was synthesized at 1173 K by standard solid-state methods. A single-crystal X-ray diffraction study at 100(2) K shows the structure to be modulated. The structure of the subc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e224ba5310b7228de098d454480bd9f
https://hal.science/hal-03005937