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Title: High pressure effects on U L 3 x-ray absorption in partial fluorescence yield mode and single crystal x-ray diffraction in the heavy fermion compound UCd 11

Abstract

© 2016 IOP Publishing Ltd. We report a study of high pressure x-ray absorption (XAS) performed in the partial fluorescence yield mode (PFY) at the U L 3 edge (0-28.2 GPa) and single crystal x-ray diffraction (SXD) (0-20 GPa) on the UCd 11 heavy fermion compound at room temperature. Under compression, the PFY-XAS results show that the white line is shifted by +4.1(3) eV at the highest applied pressure of 28.2 GPa indicating delocalization of the 5f electrons. The increase in full width at half maxima and decrease in relative amplitude of the white line with respect to the edge jump point towards 6d band broadening under high pressure. A bulk modulus of K 0 = 62(1) GPa and its pressure derivative, = 4.9(2) was determined from high pressure SXD results. Both the PFY-XAS and diffraction results do not show any sign of a structural phase transition in the applied pressure range.

Authors:
 [1];  [1];  [2];  [3];  [4];  [5];  [5];  [1];  [1];  [6];  [6];  [6];  [1];  [1]
  1. Univ. of Nevada, Las Vegas, NV (United States)
  2. Univ. of Florida, Gainesville, FL (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  4. Ames Lab., Ames, IA (United States)
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  6. Argonne National Lab. (ANL), Argonne, IL (United States). Carnegie Inst. of Washington
Publication Date:
Research Org.:
Univ. of Nevada, Las Vegas, NV (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1307470
Alternate Identifier(s):
OSTI ID: 1379093; OSTI ID: 1407874
Report Number(s):
DOE-UNLV-05278; LA-UR-16-24577
Journal ID: ISSN 0953-8984
Grant/Contract Number:  
SC0005278; AC02-05CH11231; AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Physics. Condensed Matter
Additional Journal Information:
Journal Volume: 28; Journal Issue: 10; Journal ID: ISSN 0953-8984
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Pressure; Uranium; X-ray Absorption; X-ray Diffraction

Citation Formats

Nasreen, Farzana, Antonio, Daniel, VanGennep, Derrick, Booth, Corwin H., Kothapalli, Karunakar, Bauer, Eric D., Sarrao, John L., Lavina, Barbara, Iota-Herbei, Valentin, Sinogeikin, Stanislav, Chow, Paul, Xiao, Yuming, Zhao, Yusheng, and Cornelius, Andrew L. High pressure effects on U L 3 x-ray absorption in partial fluorescence yield mode and single crystal x-ray diffraction in the heavy fermion compound UCd 11. United States: N. p., 2016. Web. doi:10.1088/0953-8984/28/10/105601.
Nasreen, Farzana, Antonio, Daniel, VanGennep, Derrick, Booth, Corwin H., Kothapalli, Karunakar, Bauer, Eric D., Sarrao, John L., Lavina, Barbara, Iota-Herbei, Valentin, Sinogeikin, Stanislav, Chow, Paul, Xiao, Yuming, Zhao, Yusheng, & Cornelius, Andrew L. High pressure effects on U L 3 x-ray absorption in partial fluorescence yield mode and single crystal x-ray diffraction in the heavy fermion compound UCd 11. United States. https://doi.org/10.1088/0953-8984/28/10/105601
Nasreen, Farzana, Antonio, Daniel, VanGennep, Derrick, Booth, Corwin H., Kothapalli, Karunakar, Bauer, Eric D., Sarrao, John L., Lavina, Barbara, Iota-Herbei, Valentin, Sinogeikin, Stanislav, Chow, Paul, Xiao, Yuming, Zhao, Yusheng, and Cornelius, Andrew L. 2016. "High pressure effects on U L 3 x-ray absorption in partial fluorescence yield mode and single crystal x-ray diffraction in the heavy fermion compound UCd 11". United States. https://doi.org/10.1088/0953-8984/28/10/105601. https://www.osti.gov/servlets/purl/1307470.
@article{osti_1307470,
title = {High pressure effects on U L 3 x-ray absorption in partial fluorescence yield mode and single crystal x-ray diffraction in the heavy fermion compound UCd 11},
author = {Nasreen, Farzana and Antonio, Daniel and VanGennep, Derrick and Booth, Corwin H. and Kothapalli, Karunakar and Bauer, Eric D. and Sarrao, John L. and Lavina, Barbara and Iota-Herbei, Valentin and Sinogeikin, Stanislav and Chow, Paul and Xiao, Yuming and Zhao, Yusheng and Cornelius, Andrew L.},
abstractNote = {© 2016 IOP Publishing Ltd. We report a study of high pressure x-ray absorption (XAS) performed in the partial fluorescence yield mode (PFY) at the U L 3 edge (0-28.2 GPa) and single crystal x-ray diffraction (SXD) (0-20 GPa) on the UCd 11 heavy fermion compound at room temperature. Under compression, the PFY-XAS results show that the white line is shifted by +4.1(3) eV at the highest applied pressure of 28.2 GPa indicating delocalization of the 5f electrons. The increase in full width at half maxima and decrease in relative amplitude of the white line with respect to the edge jump point towards 6d band broadening under high pressure. A bulk modulus of K 0 = 62(1) GPa and its pressure derivative, = 4.9(2) was determined from high pressure SXD results. Both the PFY-XAS and diffraction results do not show any sign of a structural phase transition in the applied pressure range.},
doi = {10.1088/0953-8984/28/10/105601},
url = {https://www.osti.gov/biblio/1307470}, journal = {Journal of Physics. Condensed Matter},
issn = {0953-8984},
number = 10,
volume = 28,
place = {United States},
year = {Mon Feb 15 00:00:00 EST 2016},
month = {Mon Feb 15 00:00:00 EST 2016}
}

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Cited by: 8 works
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