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Title: Toward understanding the dimensional crossover of canonical spin-glass thin films

Journal Article · · Frontiers in Physics
 [1];  [2]
  1. Xi’an Jiaotong University, Shaanxi (China); The University of Texas at Austin
  2. University of Texas at Austin, TX (United States)

Spin-glass thin films exhibit many features different from the bulk. The freezing temperatures of spin-glass films are suppressed for reduced thickness and follow the Kenning relation. The dynamics are altered near the vacuum interface. These phenomena are closely related to the lower critical dimension of spin glasses, the spin-glass correlation length, and the dimensional crossover from d = 3 to d = 2. In this article, we review the experimental facts and theoretical perspectives for spin-glass thin films. We focus on canonical spin-glass systems with the Ruderman–Kittel–Kasuya–Yosida (RKKY) interaction between magnetic impurities in a nonmagnetic host. Open questions to be addressed are emphasized.

Research Organization:
University of Texas at Austin, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)
Grant/Contract Number:
SC0013599
OSTI ID:
2482005
Journal Information:
Frontiers in Physics, Journal Name: Frontiers in Physics Vol. 12; ISSN 2296-424X
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English

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