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Title: Evolution of ground-state wave function in CeCoIn 5 upon Cd or Sn doping

Abstract

We present linear polarization-dependent soft-x-ray absorption spectroscopy data at the Ce M4,5 edges of Cd- and Sn-doped CeCoIn5. The 4f ground-state wave functions have been determined for their superconducting, antiferromagnetic, and paramagnetic ground states. The absence of changes in the wave functions in CeCo (In1- xCdx)5 suggests that the 4f-conduction-electron (c f) hybridization is not affected by global Cd doping, thus supporting the interpretation of magnetic droplets nucleating long-range magnetic order. This is contrasted by changes in the wave function due to Sn substitution. Increasing Sn in CeCo (In1 - ySny)5 compresses the 4f orbitals into the tetragonal plane of these materials, suggesting enhanced c f hybridization with the in-plane In(1) atoms and a homogeneous altering of the electronic structure. As these experiments show, the 4 f wave functions are a very sensitive probe of small changes in the hybridization of 4f and conduction electrons, even conveying information about direction dependencies.

Authors:
 [1];  [1];  [2];  [3];  [4]; ORCiD logo [4]; ORCiD logo [4];  [4]; ORCiD logo [4];  [5];  [5];  [6];  [6];  [7];  [3];  [2]
  1. Univ. of Cologne (Germany). Inst. of Physics II
  2. Univ. of Cologne (Germany). Inst. of Physics II; Max Planck Inst. for Chemical Physics of Solids, Dresden (Germany)
  3. Max Planck Inst. for Chemical Physics of Solids, Dresden (Germany)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  5. ALBA Synchrotron Light Source, Barcelona (Spain)
  6. European Synchrotron Radiation Facility (ESRF), Grenoble (France)
  7. Hiroshima Univ., Higahsi-Hiroshima (Japan). Dept. of Quantum Matter
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); German Research Foundation (DFG)
OSTI Identifier:
1431074
Alternate Identifier(s):
OSTI ID: 1417230
Report Number(s):
LA-UR-17-30510
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1802642
Grant/Contract Number:  
AC52-06NA25396; NSF-DMR-1708199
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 97; Journal Issue: 4; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Material Science

Citation Formats

Chen, K., Strigari, F., Sundermann, M., Hu, Z., Fisk, Zachary, Bauer, Eric Dietzgen, Ferrari Silveira Rosa, Priscila, Sarrao, John Louis, Thompson, Joe David, Martin-Herero, J., Pellegrin, E., Betto, D., Kummer, K., Tanaka, A., Wirth, S., and Severing, A. Evolution of ground-state wave function in CeCoIn5 upon Cd or Sn doping. United States: N. p., 2018. Web. doi:10.1103/PhysRevB.97.045134.
Chen, K., Strigari, F., Sundermann, M., Hu, Z., Fisk, Zachary, Bauer, Eric Dietzgen, Ferrari Silveira Rosa, Priscila, Sarrao, John Louis, Thompson, Joe David, Martin-Herero, J., Pellegrin, E., Betto, D., Kummer, K., Tanaka, A., Wirth, S., & Severing, A. Evolution of ground-state wave function in CeCoIn5 upon Cd or Sn doping. United States. https://doi.org/10.1103/PhysRevB.97.045134
Chen, K., Strigari, F., Sundermann, M., Hu, Z., Fisk, Zachary, Bauer, Eric Dietzgen, Ferrari Silveira Rosa, Priscila, Sarrao, John Louis, Thompson, Joe David, Martin-Herero, J., Pellegrin, E., Betto, D., Kummer, K., Tanaka, A., Wirth, S., and Severing, A. Wed . "Evolution of ground-state wave function in CeCoIn5 upon Cd or Sn doping". United States. https://doi.org/10.1103/PhysRevB.97.045134. https://www.osti.gov/servlets/purl/1431074.
@article{osti_1431074,
title = {Evolution of ground-state wave function in CeCoIn5 upon Cd or Sn doping},
author = {Chen, K. and Strigari, F. and Sundermann, M. and Hu, Z. and Fisk, Zachary and Bauer, Eric Dietzgen and Ferrari Silveira Rosa, Priscila and Sarrao, John Louis and Thompson, Joe David and Martin-Herero, J. and Pellegrin, E. and Betto, D. and Kummer, K. and Tanaka, A. and Wirth, S. and Severing, A.},
abstractNote = {We present linear polarization-dependent soft-x-ray absorption spectroscopy data at the Ce M4,5 edges of Cd- and Sn-doped CeCoIn5. The 4f ground-state wave functions have been determined for their superconducting, antiferromagnetic, and paramagnetic ground states. The absence of changes in the wave functions in CeCo (In1- xCdx)5 suggests that the 4f-conduction-electron (c f) hybridization is not affected by global Cd doping, thus supporting the interpretation of magnetic droplets nucleating long-range magnetic order. This is contrasted by changes in the wave function due to Sn substitution. Increasing Sn in CeCo (In1 - ySny)5 compresses the 4f orbitals into the tetragonal plane of these materials, suggesting enhanced c f hybridization with the in-plane In(1) atoms and a homogeneous altering of the electronic structure. As these experiments show, the 4 f wave functions are a very sensitive probe of small changes in the hybridization of 4f and conduction electrons, even conveying information about direction dependencies.},
doi = {10.1103/PhysRevB.97.045134},
journal = {Physical Review B},
number = 4,
volume = 97,
place = {United States},
year = {Wed Jan 17 00:00:00 EST 2018},
month = {Wed Jan 17 00:00:00 EST 2018}
}

Journal Article:

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Cited by: 16 works
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Figures / Tables:

FIG. 1 FIG. 1: (Color online) Temperature–doping phase diagram of CeCo(In1-xCdx)5 and CeCo(In1-ySny)5, adapted from. 24,25 Here, concentrations are given in %. The inset shows the crystallographic structure of CeCoIn5 with Ce (red orbital) in the middle, Co (grey), In(1) (yellow), and In(2) (dark yellow).

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Works referencing / citing this record:

Spin rotation induced by applied pressure in the Cd-doped Ce 2 RhIn 8 intermetallic compound
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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.