DOI: 10.1002/recl.19640830718. Niobium and tantalum diselenides

10.1002/recl.19640830718

Crossref journal-article

Wiley

Recueil des Travaux Chimiques des Pays-Bas (311)

Abstract

AbstractNiobium and tantalum diselenides have been found to exist in the following polymorphous forms: 2s‐NbSe2, 3s‐NbSe2, 4s‐NbSe2, 2s‐TaSe2, 3s‐TaSe2, 4s‐TaSe2, and 6s‐TaSe2. Unit‐cell dimensions are collected in Table I and the crystal structures of the various forms are schematically shown in Fig. 1. All the polymorphs have hexagonal or rhombohedral layer structures. In the 2s‐, 3s‐ and 4s‐ phases the metal atoms have a trigonal‐prismatic environment, but in 6s‐TaSe2 half of the metal atoms have octahedral and half have trigonal‐prismatic coordination. The conditions of preparation of the various forms are discussed. Excess of selenium over the composition MSe2 leads to mixtures of the MSe3 and MSe2 phases. Excess of metal results in the formation of phases of the type M1+xSe2, where the additional metal atoms are accommodated in the octahedral interstices between the MSe2 slabs.

Bibliography

Kadijk, F., Huisman, R., & Jellinek, F. (1964). Niobium and tantalum diselenides. Recueil Des Travaux Chimiques Des Pays-Bas, 83(7), 768â775. Portico.

Authors 3

F. Kadijk (first)
R. Huisman (additional)
F. Jellinek (additional)

References 6 Referenced 49

{'key': 'e_1_2_1_1_2', 'first-page': '447', 'volume': '20', 'author': 'Jellinek F.', 'year': '1963', 'journal-title': 'Arkiv för Kemi'} / Arkiv för Kemi by Jellinek F. (1963)
10.1016/0022-1902(62)80178-X
{'key': 'e_1_2_1_3_2', 'first-page': '1801', 'volume': '8', 'author': 'Aslanov L. A.', 'year': '1963', 'journal-title': 'Zh. Neorg. Khim.'} / Zh. Neorg. Khim. by Aslanov L. A. (1963)
10.1038/185376a0
10.1016/0022-5088(62)90053-X
F.KadijkandF.Jellinek unpublished; see also ref.1.

Dates

Type	When
Created	14 years, 11 months ago (Sept. 14, 2010, 12:45 a.m.)
Deposited	1 year, 10 months ago (Oct. 19, 2023, 11:05 a.m.)
Indexed	5 months, 1 week ago (March 22, 2025, 5:23 a.m.)
Issued	61 years, 7 months ago (Jan. 1, 1964)
Published	61 years, 7 months ago (Jan. 1, 1964)
Published Online	14 years, 11 months ago (Sept. 2, 2010)
Published Print	61 years, 7 months ago (Jan. 1, 1964)

Funders 0

None

BibTeX

@article{Kadijk_1964, title={Niobium and tantalum diselenides}, volume={83}, ISSN={0165-0513}, url={http://dx.doi.org/10.1002/recl.19640830718}, DOI={10.1002/recl.19640830718}, number={7}, journal={Recueil des Travaux Chimiques des Pays-Bas}, publisher={Wiley}, author={Kadijk, F. and Huisman, R. and Jellinek, F.}, year={1964}, month=jan, pages={768–775} }

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