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Title: Effect of Pressure and Chemical Substitutions on the Charge-Density-Wave in LaAgSb2

Abstract

We present data on the crystal structure and evolution of the electrical resistivity in lightly doped La{sub 1-x}R{sub x}AgSb{sub 2} (R=Gd, Y, Ce, and Nd) at ambient pressure and in LaAgSb{sub 2} under hydrostatic pressure. The upper charge density wave transition is suppressed by both doping and pressure with substitution-related disorder being the dominant mechanism for this suppression in the former case and the anisotropic pressure dependence of the unit cell dimensions (as seen in the c/a ratio) prevailing in the latter case.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL) National Synchrotron Light Source
Sponsoring Org.:
Doe - Office Of Science
OSTI Identifier:
914041
Report Number(s):
BNL-78609-2007-JA
Journal ID: ISSN 0163-1829; PRBMDO; TRN: US200804%%308
DOE Contract Number:  
DE-AC02-98CH10886
Resource Type:
Journal Article
Resource Relation:
Journal Name: Phys. Rev. B; Journal Volume: 73
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CRYSTAL STRUCTURE; ELECTRIC CONDUCTIVITY; LANTHANUM ALLOYS; SILVER ALLOYS; ANTIMONY ALLOYS; DOPED MATERIALS; GADOLINIUM; YTTRIUM; CERIUM; NEODYMIUM; PRESSURE DEPENDENCE; CHARGE DENSITY; national synchrotron light source

Citation Formats

Budko,S., Weiner, T., Ribeiro, R., Canfield, P., Lee, Y., Vogt, T., and Lacerda. Effect of Pressure and Chemical Substitutions on the Charge-Density-Wave in LaAgSb2. United States: N. p., 2006. Web. doi:10.1103/PhysRevB.73.184111.
Budko,S., Weiner, T., Ribeiro, R., Canfield, P., Lee, Y., Vogt, T., & Lacerda. Effect of Pressure and Chemical Substitutions on the Charge-Density-Wave in LaAgSb2. United States. doi:10.1103/PhysRevB.73.184111.
Budko,S., Weiner, T., Ribeiro, R., Canfield, P., Lee, Y., Vogt, T., and Lacerda. Sun . "Effect of Pressure and Chemical Substitutions on the Charge-Density-Wave in LaAgSb2". United States. doi:10.1103/PhysRevB.73.184111.
@article{osti_914041,
title = {Effect of Pressure and Chemical Substitutions on the Charge-Density-Wave in LaAgSb2},
author = {Budko,S. and Weiner, T. and Ribeiro, R. and Canfield, P. and Lee, Y. and Vogt, T. and Lacerda},
abstractNote = {We present data on the crystal structure and evolution of the electrical resistivity in lightly doped La{sub 1-x}R{sub x}AgSb{sub 2} (R=Gd, Y, Ce, and Nd) at ambient pressure and in LaAgSb{sub 2} under hydrostatic pressure. The upper charge density wave transition is suppressed by both doping and pressure with substitution-related disorder being the dominant mechanism for this suppression in the former case and the anisotropic pressure dependence of the unit cell dimensions (as seen in the c/a ratio) prevailing in the latter case.},
doi = {10.1103/PhysRevB.73.184111},
journal = {Phys. Rev. B},
number = ,
volume = 73,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2006},
month = {Sun Jan 01 00:00:00 EST 2006}
}