Electronic Localization and Two-Dimensional Metallic State in UPt<SUB>2</SUB>Si<SUB>2</SUB>

• Süllow Stefan

  Institut für Physik der Kondensierten Materie, TU Braunschweig

• Otop Anna

  Institut für Physik der Kondensierten Materie, TU Braunschweig

• Loose Anja

  Hahn-Meitner-Institut GmbH

• Klenke Jens

  Hahn-Meitner-Institut GmbH

• Prokhnenko Oleksandr

  Hahn-Meitner-Institut GmbH

• Feyerherm Ralf

  Hahn-Meitner-Institut GmbH

• Hendrikx Ruud W. A.

  Kamerlingh Onnes Laboratory, Leiden University

• Mydosh John A.

  Kamerlingh Onnes Laboratory, Leiden University II. Physikalisches Institut, Universität zu Köln

• Amitsuka Hiroshi

  Graduate School of Science, Hokkaido University

Bibliographic Information

Other Title

• Electronic localization and two-dimensional metallic state in UPt2Si2

Abstract

We present a detailed study of the physical properties of single crystalline UPt₂Si₂. By neutron diffraction we establish the presence of frozen-in strain disorder on the Pt(2)/Si(2) ligand sites within the tetragonal crystal structure. Further, the system undergoes an antiferromagnetic transition at T_N=32 K. In the range T_N<T<T_irr\\simeq36 K we observe a cluster glass like phase as result of the disorder. The highly anomalous behavior of the electronic transport properties—metallic along the tetragonal a and localized along the c axis—is a result of the specific type of disorder. Altogether, UPt₂Si₂ emerges as a model compound to study disorder effects in f electron intermetallics.

Journal

• Journal of the Physical Society of Japan

  Journal of the Physical Society of Japan 77 (2), 024708-024708, 2008

  THE PHYSICAL SOCIETY OF JAPAN

Keywords

• UPt<SUB>2</SUB>Si<SUB>2</SUB>
• electronic transport
• disorder

Details

• CRID: 1390282679175093888
• NII Article ID: 130005436372
• NII Article ID: 110006613899
• NII Article ID: 210000107106
• NII Book ID: AA00704814
• DOI: 10.1143/jpsj.77.024708
• ISSN: 13474073
• ISSN: 00319015
• NDL BIB ID: 9377826
• Web Site: http://id.ndl.go.jp/bib/9377826
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I9377826
• Web Site: https://journals.jps.jp/doi/pdf/10.1143/JPSJ.77.024708
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed