NpSe2 : a Binary Chalcogenide Containing Modulated Selenide Chains and Ambiguous-Valent Metal

Geng Bang Jin; Christos D Malliakas; Yung-Jin Hu; Corwin H Booth; James A Ibers; D Sokaras; T-C Weng; S Skanthakumar; L Soderholm

doi:10.1002/anie.201910353

NpSe₂ : a Binary Chalcogenide Containing Modulated Selenide Chains and Ambiguous-Valent Metal

Angew Chem Int Ed Engl. 2019 Nov 4;58(45):16130-16133. doi: 10.1002/anie.201910353. Epub 2019 Sep 24.

Authors

Geng Bang Jin^{1

2}, Christos D Malliakas^{3

4}, Yung-Jin Hu¹, Corwin H Booth⁵, James A Ibers⁶, D Sokaras⁷, T-C Weng^{7

8}, S Skanthakumar¹, L Soderholm¹

Affiliations

¹ Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
² Current address: 3M Corporate Research Analytical Laboratory, St. Paul, MN, 55144, USA.
³ Material Science Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
⁴ Current address: Northwestern University, Evanston, IL, USA.
⁵ Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA.
⁶ Department of Chemistry, Northwestern University, Evanston, IL, 60208-3113, USA.
⁷ Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA.
⁸ Current address: HPSTAR, 1690 Cailun Rd., Bldg. 6, Shanghai, 201203, China.

PMID: 31549462
DOI: 10.1002/anie.201910353

Abstract

A new binary compound, NpSe_2, 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-ambiguous Np cations.

Keywords: X-ray diffraction; X-ray emission spectroscopy; magnetism; neptunium; polyselenides.

Abstract

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