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Charge-Density-Wave Transitions in the Local-Moment Magnet Er₅Ir₄Si₁₀

Title data

Galli, Federica ; Ramakrishnan, S. ; Taniguchi, T. ; Nieuwenhuys, Gerard J. ; Mydosh, J. A. ; Geupel, Sandra ; Lüdecke, Jens ; van Smaalen, Sander:
Charge-Density-Wave Transitions in the Local-Moment Magnet Er₅Ir₄Si₁₀.
In: Physical Review Letters. Vol. 85 (2000) Issue 1 . - pp. 158-161.
ISSN 1079-7114
DOI: https://doi.org/10.1103/PhysRevLett.85.158

Official URL: Volltext

Abstract in another language

We report the observation of a new type of charge-density wave (CDW) in the large magnetic-moment rare-earth intermetallic compound, Er5Ir4Si10, which then orders magnetically at low temperatures. Single crystal x-ray diffraction shows the development of a 1D incommensurate CDW at 155 K, which then locks into a purely commensurate state below 55 K. The well-localized Er3+ moments are antiferromagnetically ordered below 2.8 K. We observe very sharp anomalies in the specific heat at 145 and 2.8 K, signifying the bulk nature of these transitions. Our data suggest the coexistence of strongly coupled CDW with local-moment antiferromagnetism in Er5Ir4Si10.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography > Chair Crystallography - Univ.-Prof. Dr. Sander van Smaalen
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 23 Mar 2016 08:09
Last Modified: 23 Mar 2016 08:09
URI: https://eref.uni-bayreuth.de/id/eprint/32005