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Title: Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFe 2 - x T x As 2 ( T = Co , Ni )

Abstract

In this paper, we use neutron diffraction and muon spin relaxation to study the effect of in-plane uniaxial pressure on the antiferromagnetic (AF) orthorhombic phase in BaFe2As2 and its Co- and Ni-substituted members near optimal superconductivity. In the low-temperature AF ordered state, uniaxial pressure necessary to detwin the orthorhombic crystals also increases the magnetic ordered moment, reaching an 11% increase under 40 MPa for BaFe1.9Co0.1As2, and a 15% increase for BaFe1.915Ni0.085As2. We also observe an increase of the AF ordering temperature (TN) of about 0.25 K/MPa in all compounds, consistent with density functional theory calculations that reveal better Fermi surface nesting for itinerant electrons under uniaxial pressure. Finally, the doping dependence of the magnetic ordered moment is captured by combining dynamical mean field theory with density functional theory, suggesting that the pressure-induced moment increase near optimal superconductivity is closely related to quantum fluctuations and the nearby electronic nematic phase.

Authors:
 [1];  [1];  [1];  [2];  [3];  [1];  [1];  [2];  [2];  [2];  [4];  [5];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [12] more »;  [5];  [8];  [8];  [2];  [13] « less
  1. Rice Univ., Houston, TX (United States)
  2. Columbia Univ., New York, NY (United States)
  3. Beijing Normal Univ. (China)
  4. Japan Atomic Energy Agency (JAEA), Tokai (Japan)
  5. McMaster Univ., Hamilton, ON (Canada)
  6. Zhejiang Univ., Hangzhou (China)
  7. Univ. of Tokyo (Japan)
  8. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  9. TRIUMF, Vancouver, BC (Canada)
  10. Inst. Laue-Langevin (ILL), Grenoble (France)
  11. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)
  12. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  13. Rice Univ., Houston, TX (United States); Beijing Normal Univ. (China)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Robert A. Welch Foundation (United States); National Natural Science Foundation of China (NSFC); National Key Research and Development Program of China
OSTI Identifier:
1394391
Alternate Identifier(s):
OSTI ID: 1344188
Grant/Contract Number:  
AC05-00OR22725; DMR-1362219; DMR-1436006; DMR-1308603; DMR-1610633; DMR-1436095; C-1839; 11674030; 2016YFA0302300
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 6; 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; antiferromagnetism; superconductivity; neutron diffraction; condensed matter & materials physics

Citation Formats

Tam, David W., Song, Yu, Man, Haoran, Cheung, Sky C., Yin, Zhiping, Lu, Xingye, Wang, Weiyi, Frandsen, Benjamin A., Liu, Lian, Gong, Zizhou, Ito, Takashi U., Cai, Yipeng, Wilson, Murray N., Guo, Shengli, Koshiishi, Keisuke, Tian, Wei, Hitti, Bassam, Ivanov, Alexandre, Zhao, Yang, Lynn, Jeffrey W., Luke, Graeme M., Berlijn, Tom, Maier, Thomas A., Uemura, Yasutomo J., and Dai, Pengcheng. Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFe2-xTxAs2 ( T=Co,Ni ). United States: N. p., 2017. Web. doi:10.1103/PhysRevB.95.060505.
Tam, David W., Song, Yu, Man, Haoran, Cheung, Sky C., Yin, Zhiping, Lu, Xingye, Wang, Weiyi, Frandsen, Benjamin A., Liu, Lian, Gong, Zizhou, Ito, Takashi U., Cai, Yipeng, Wilson, Murray N., Guo, Shengli, Koshiishi, Keisuke, Tian, Wei, Hitti, Bassam, Ivanov, Alexandre, Zhao, Yang, Lynn, Jeffrey W., Luke, Graeme M., Berlijn, Tom, Maier, Thomas A., Uemura, Yasutomo J., & Dai, Pengcheng. Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFe2-xTxAs2 ( T=Co,Ni ). United States. https://doi.org/10.1103/PhysRevB.95.060505
Tam, David W., Song, Yu, Man, Haoran, Cheung, Sky C., Yin, Zhiping, Lu, Xingye, Wang, Weiyi, Frandsen, Benjamin A., Liu, Lian, Gong, Zizhou, Ito, Takashi U., Cai, Yipeng, Wilson, Murray N., Guo, Shengli, Koshiishi, Keisuke, Tian, Wei, Hitti, Bassam, Ivanov, Alexandre, Zhao, Yang, Lynn, Jeffrey W., Luke, Graeme M., Berlijn, Tom, Maier, Thomas A., Uemura, Yasutomo J., and Dai, Pengcheng. Fri . "Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFe2-xTxAs2 ( T=Co,Ni )". United States. https://doi.org/10.1103/PhysRevB.95.060505. https://www.osti.gov/servlets/purl/1394391.
@article{osti_1394391,
title = {Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFe2-xTxAs2 ( T=Co,Ni )},
author = {Tam, David W. and Song, Yu and Man, Haoran and Cheung, Sky C. and Yin, Zhiping and Lu, Xingye and Wang, Weiyi and Frandsen, Benjamin A. and Liu, Lian and Gong, Zizhou and Ito, Takashi U. and Cai, Yipeng and Wilson, Murray N. and Guo, Shengli and Koshiishi, Keisuke and Tian, Wei and Hitti, Bassam and Ivanov, Alexandre and Zhao, Yang and Lynn, Jeffrey W. and Luke, Graeme M. and Berlijn, Tom and Maier, Thomas A. and Uemura, Yasutomo J. and Dai, Pengcheng},
abstractNote = {In this paper, we use neutron diffraction and muon spin relaxation to study the effect of in-plane uniaxial pressure on the antiferromagnetic (AF) orthorhombic phase in BaFe2As2 and its Co- and Ni-substituted members near optimal superconductivity. In the low-temperature AF ordered state, uniaxial pressure necessary to detwin the orthorhombic crystals also increases the magnetic ordered moment, reaching an 11% increase under 40 MPa for BaFe1.9Co0.1As2, and a 15% increase for BaFe1.915Ni0.085As2. We also observe an increase of the AF ordering temperature (TN) of about 0.25 K/MPa in all compounds, consistent with density functional theory calculations that reveal better Fermi surface nesting for itinerant electrons under uniaxial pressure. Finally, the doping dependence of the magnetic ordered moment is captured by combining dynamical mean field theory with density functional theory, suggesting that the pressure-induced moment increase near optimal superconductivity is closely related to quantum fluctuations and the nearby electronic nematic phase.},
doi = {10.1103/PhysRevB.95.060505},
journal = {Physical Review B},
number = 6,
volume = 95,
place = {United States},
year = {Fri Feb 17 00:00:00 EST 2017},
month = {Fri Feb 17 00:00:00 EST 2017}
}

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Works referencing / citing this record:

c-axis pressure-induced antiferromagnetic order in optimally P-doped BaFe2(As0.70P0.30)2 superconductor
journal, September 2018


Uniaxial c -axis pressure effects on the underdoped superconductor BaFe 2 ( As 0.72 P 0.28 ) 2
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Spin Waves in Detwinned BaFe 2 As 2
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High-K dielectric sulfur-selenium alloys
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