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Title: Local magnetic cluster size identified by neutron total scattering in the site-diluted spin glass S n x F e 4 - x N ( x = 0.88 )

Journal Article · · Physical Review B
 [1];  [2];  [3]; ORCiD logo [4]; ORCiD logo [4]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  2. RWTH Aachen Univ., Aachen (Germany); Max Planck Institute for Solid State Research, Stuttgart (Germany)
  3. RWTH Aachen Univ., Aachen (Germany)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

A detailed structure analysis for the site-diluted SnxFe4-xN (x = 0.25, 0.41, and 0.88) has been carried out through complex modeling of the neutron total scattering data. We present quantitative evidence showing the local ferromagnetic cluster size extending to ~8 Å on average when Sn0.88Fe3.12N undergoes the spin-glass transition (the other two not showing such a transition). In conclusion, the modeling methodology used in this work involving the corefinement of the nuclear and magnetic structure in both real and reciprocal space can potentially be applied generally to explore a variety of spin-glass material problems.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1560493
Journal Information:
Physical Review B, Journal Name: Physical Review B Journal Issue: 1 Vol. 100; ISSN 2469-9950; ISSN PRBMDO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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