Synthesis and Electronic Characterization of Weyl Semimetal TaSb2 Polycrystalline Material. Issue 9 (21st May 2022)

• Record Type: Journal Article
• Authors: Masuda, Izumi; Miyazaki, Hidetoshi; Yoshimura, Masato; Ishii, Hirofumi; Nishino, Yoichi
• Other Names: Miyazaki Hidetoshi guestEditor.; Hayashi Koichi guestEditor.; Kakimoto Ken-ichi guestEditor.
• Is Part Of: Physica status solidi. Volume 259:Issue 9(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-05-21
• Subjects: band structure calculations -- electronic structures -- hard X-ray photoemission spectroscopy -- pseudogaps -- TaSb2 -- thermoelectric materials; Solid state physics -- Periodicals; Solids -- Periodicals; Atomic structure -- Periodicals; 530.41
• DOI: 10.1002/pssb.202100571
• Languages: English
• ISSNs: 0370-1972

Abstract

Abstract : TaSb2, a candidate material for thermoelectric conversion, is studied to establish a method for the synthesis of polycrystalline bulk materials with a diameter greater than 10 mm. Polycrystalline TaSb2 materials with relative densities exceeding 97% are successfully prepared by combining the solid‐state reaction method with the spark plasma‐sintering process. The prepared TaSb2 sample is identified to be a semimetal with a pseudogap‐like electronic structure near the Fermi level using hard X‐ray photoelectron spectroscopy and band structure calculation. Abstract : A method for the synthesis of polycrystalline bulk materials of Weyl‐semimetallic TaSb2, a candidate for thermoelectric materials with a diameter of more than 10 mm, using solid‐state reaction and spark plasma sintering (SPS) processes, is established. The prepared TaSb2 sample is identified to be a semimetal with a pseudogap‐like electronic structure near the Fermi level using hard X‐ray photoelectron spectroscopy and band structure calculation.