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Title: 57Fe Mössbauer study of Lu2Fe3Si5 iron silicide superconductor

Abstract

With the advent of Fe–As based superconductivity it has become important to study how superconductivity manifests itself in details of 57Fe Mössbauer spectroscopy of conventional, Fe-bearing superconductors. The iron-based superconductor Lu2Fe3Si5 has been studied by 57Fe Mössbauer spectroscopy over the temperature range from 4.4 K to room temperature with particular attention to the region close to the superconducting transition temperature (Tc=6.1 K). Consistent with the two crystallographic sites for Fe in this structure, the observed spectra appear to have a pattern consisting of two doublets over the whole temperature range. Furthermore, the value of Debye temperature was estimated from temperature dependence of the isomer shift and the total spectral area and compared with the specific heat capacity data. Neither abnormal behavior of the hyperfine parameters at or near Tc, nor phonon softening were observed.

Authors:
 [1];  [2];  [3];  [3];  [2];  [2]
  1. Lanzhou Univ. (China); Ames Lab., Ames, IA (United States)
  2. Ames Lab., Ames, IA (United States)
  3. Lanzhou Univ. (China)
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1227289
Alternate Identifier(s):
OSTI ID: 1246695
Report Number(s):
IS-J-8600
Journal ID: ISSN 0022-3697; PII: S0022369715000761
Grant/Contract Number:  
AC02-07CH11358; 11275086
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physics and Chemistry of Solids
Additional Journal Information:
Journal Volume: 83; Journal Issue: C; Journal ID: ISSN 0022-3697
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; superconductors; Mössbauer spectroscopy; specific heat

Citation Formats

Ma, Xiaoming, Ran, Sheng, Pang, Hua, Li, Fashen, Canfield, Paul C., and Bud'ko, Sergey L.. 57Fe Mössbauer study of Lu2Fe3Si5 iron silicide superconductor. United States: N. p., 2015. Web. doi:10.1016/j.jpcs.2015.03.021.
Ma, Xiaoming, Ran, Sheng, Pang, Hua, Li, Fashen, Canfield, Paul C., & Bud'ko, Sergey L.. 57Fe Mössbauer study of Lu2Fe3Si5 iron silicide superconductor. United States. https://doi.org/10.1016/j.jpcs.2015.03.021
Ma, Xiaoming, Ran, Sheng, Pang, Hua, Li, Fashen, Canfield, Paul C., and Bud'ko, Sergey L.. Sat . "57Fe Mössbauer study of Lu2Fe3Si5 iron silicide superconductor". United States. https://doi.org/10.1016/j.jpcs.2015.03.021. https://www.osti.gov/servlets/purl/1227289.
@article{osti_1227289,
title = {57Fe Mössbauer study of Lu2Fe3Si5 iron silicide superconductor},
author = {Ma, Xiaoming and Ran, Sheng and Pang, Hua and Li, Fashen and Canfield, Paul C. and Bud'ko, Sergey L.},
abstractNote = {With the advent of Fe–As based superconductivity it has become important to study how superconductivity manifests itself in details of 57Fe Mössbauer spectroscopy of conventional, Fe-bearing superconductors. The iron-based superconductor Lu2Fe3Si5 has been studied by 57Fe Mössbauer spectroscopy over the temperature range from 4.4 K to room temperature with particular attention to the region close to the superconducting transition temperature (Tc=6.1 K). Consistent with the two crystallographic sites for Fe in this structure, the observed spectra appear to have a pattern consisting of two doublets over the whole temperature range. Furthermore, the value of Debye temperature was estimated from temperature dependence of the isomer shift and the total spectral area and compared with the specific heat capacity data. Neither abnormal behavior of the hyperfine parameters at or near Tc, nor phonon softening were observed.},
doi = {10.1016/j.jpcs.2015.03.021},
journal = {Journal of Physics and Chemistry of Solids},
number = C,
volume = 83,
place = {United States},
year = {Sat Mar 28 00:00:00 EDT 2015},
month = {Sat Mar 28 00:00:00 EDT 2015}
}

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Works referencing / citing this record:

57 Fe Mössbauer study of stoichiometric iron-based superconductor CaKFe 4 As 4 : a comparison to KFe 2 As 2 and CaFe 2 As 2
journal, July 2017


57 Fe Mössbauer and magnetic studies of Th 7 Co 2.557 Fe 0.5 and Th 7 Ni 2.557 Fe 0.5 superconductors
journal, September 2019