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Title: Bandwidth controlled insulator-metal transition in BaFe 2 S 3 : A Mössbauer study under pressure

Abstract

BaFe2S3 is a quasi one-dimensional Mott insulator that orders antiferromagnetically below 125 K. The application of pressure induces a transition to a metallic state, and superconductivity emerges.The evolution of the magnetic behavior on increasing pressure has up to now been either studied indirectly by means of transport measurements, or by using local magnetic probes only in the low pressure region. Here, we investigate the magnetic properties of BaFe2S3 up to 9.9GPa by means of synchrotron 57Fe Mossbauer spectroscopy experiments, providing the First local magnetic phase diagram. The magnetic ordering temperature increases up to 185(5) K at 7.5GPa, and is fully suppressed at 9.9GPa. The low-temperature magnetic hyperne field is continuously reduced from 12.9 to 10.3T between 1.4 and 9.1GPa, followed by a sudden drop to zero at 9.9GPa indicating a First-order phase transition. The pressure dependence of the magnetic order in BaFe2S3 can be qualitatively explained by a combination of a bandwidth-controlled insulator-metal transition as well as a pressure enhanced exchange interaction between Fe-atoms and Fe 3d-S 3p hybridization.

Authors:
 [1];  [2];  [1];  [1];  [3];  [3];  [3];  [4];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Illinois, Urbana-Champaign, IL (United States). Dept. of Geology
  3. Leibniz Inst. for Solid State and Materials Research (IFW), Dresden (Germany)
  4. Leibniz Inst. for Solid State and Materials Research (IFW), Dresden (Germany); Dresden Univ. of Technology (Germany). Inst. of Solid State and Materials Physics
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
German Research Foundation (DFG); National Science Foundation (NSF); USDOE
OSTI Identifier:
1493029
Alternate Identifier(s):
OSTI ID: 1491936
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 99; Journal Issue: 2; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Materne, Philipp, Bi, Wenli, Zhao, Jiyong, Hu, Michael Yu, Amigó, Maria Lourdes, Seiro, Silvia, Aswartham, Saicharan, Büchner, Bernd, and Alp, Esen Ercan. Bandwidth controlled insulator-metal transition in BaFe2S3 : A Mössbauer study under pressure. United States: N. p., 2019. Web. doi:10.1103/PhysRevB.99.020505.
Materne, Philipp, Bi, Wenli, Zhao, Jiyong, Hu, Michael Yu, Amigó, Maria Lourdes, Seiro, Silvia, Aswartham, Saicharan, Büchner, Bernd, & Alp, Esen Ercan. Bandwidth controlled insulator-metal transition in BaFe2S3 : A Mössbauer study under pressure. United States. https://doi.org/10.1103/PhysRevB.99.020505
Materne, Philipp, Bi, Wenli, Zhao, Jiyong, Hu, Michael Yu, Amigó, Maria Lourdes, Seiro, Silvia, Aswartham, Saicharan, Büchner, Bernd, and Alp, Esen Ercan. 2019. "Bandwidth controlled insulator-metal transition in BaFe2S3 : A Mössbauer study under pressure". United States. https://doi.org/10.1103/PhysRevB.99.020505. https://www.osti.gov/servlets/purl/1493029.
@article{osti_1493029,
title = {Bandwidth controlled insulator-metal transition in BaFe2S3 : A Mössbauer study under pressure},
author = {Materne, Philipp and Bi, Wenli and Zhao, Jiyong and Hu, Michael Yu and Amigó, Maria Lourdes and Seiro, Silvia and Aswartham, Saicharan and Büchner, Bernd and Alp, Esen Ercan},
abstractNote = {BaFe2S3 is a quasi one-dimensional Mott insulator that orders antiferromagnetically below 125 K. The application of pressure induces a transition to a metallic state, and superconductivity emerges.The evolution of the magnetic behavior on increasing pressure has up to now been either studied indirectly by means of transport measurements, or by using local magnetic probes only in the low pressure region. Here, we investigate the magnetic properties of BaFe2S3 up to 9.9GPa by means of synchrotron 57Fe Mossbauer spectroscopy experiments, providing the First local magnetic phase diagram. The magnetic ordering temperature increases up to 185(5) K at 7.5GPa, and is fully suppressed at 9.9GPa. The low-temperature magnetic hyperne field is continuously reduced from 12.9 to 10.3T between 1.4 and 9.1GPa, followed by a sudden drop to zero at 9.9GPa indicating a First-order phase transition. The pressure dependence of the magnetic order in BaFe2S3 can be qualitatively explained by a combination of a bandwidth-controlled insulator-metal transition as well as a pressure enhanced exchange interaction between Fe-atoms and Fe 3d-S 3p hybridization.},
doi = {10.1103/PhysRevB.99.020505},
url = {https://www.osti.gov/biblio/1493029}, journal = {Physical Review B},
issn = {2469-9950},
number = 2,
volume = 99,
place = {United States},
year = {Thu Jan 24 00:00:00 EST 2019},
month = {Thu Jan 24 00:00:00 EST 2019}
}

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Cited by: 17 works
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Works referencing / citing this record:

Iron-Based Chalcogenide Spin Ladder BaFe2X3 (X = Se,S)
journal, November 2019