Bibliographic Citation
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| DOI | http://dx.doi.org/10.1103/PhysRevB.62.15056 |
| Title | Design of a metallic Ising spin glass in the Y{sub 1-x}Tb{sub x}Ni{sub 2}Ge{sub 2} system |
| Creator/Author | Wiener, T. A. ; Fisher, I. R. ; Bud'ko, S. L. ; Kracher, A. ; Canfield, P. C. |
| Publication Date | 2000 Dec 01 |
| OSTI Identifier | OSTI ID: 40205662 |
| Other Number(s) | Journal ID: ISSN 0163-1829; TRN: IM200110%%896 |
| Resource Type | Journal Article |
| Resource Relation | Journal Name: Physical Review B; Journal Volume: 62; Journal Issue: 22; Other Information: Othernumber: PRBMDO000062000022015056000001; 021045PRB; PBD: 1 Dec 2000 |
| Sponsoring Org | (US) |
| Subject | 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; DESIGN; FREEZING; GLASS; MAGNETIC FIELDS; SPECIFIC HEAT; SPIN; TERBIUM; TRANSITION TEMPERATURE; YTTRIUM |
| Description/Abstract | There has been much interest in the past ten years in the effects of applying a transverse magnetic field on the freezing temperature of Ising spin glasses. The focus of this study is to search for and characterize a metallic Ising spin-glass system. This is accomplished by site diluting yttrium for terbium in the crystalline material TbNi{sub 2}Ge{sub 2}. Pure TbNi{sub 2}Ge{sub 2} is an Ising antiferromagnet with several distinct magnetic states below 17 K. As the terbium is diluted with yttrium, magnetic coupling and ordering temperatures are suppressed in a monotonic way, as is seen in measurements of the transition temperatures and analysis of the high-temperature Curie-Weiss behavior. At low concentrations of terbium, below x{approx}0.35, long-range order is no longer detected and a spin-glass-like state emerges. This state is studied through a variety of measurements: dc and ac susceptibility, resistivity, and specific heat. These data are then compared to that of other well characterized spin-glass systems. It is concluded that there is a region of concentrations for which an Ising spin-glass state is formed with the best spin glasses existing for x{<=}0.30. |
| Publisher | The American Physical Society |
| Country of Publication | United States |
| Language | English |
| Format | Medium: X; Size: page(s) 15056-15066 |
| System Entry Date | 2008 Feb 09 |
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Last Updated: 11/19/2009