Unusual Kondo-hole effect and crystal-field frustration in Nd-doped
Abstract
In this research, we investigate single crystals of Ce1₋xNdxRhIn5 by means of x-ray-diffraction, microprobe, magnetic susceptibility, heat capacity, and electrical resistivity measurements. Our data reveal that the antiferromagnetic transition of CeRhIn5, at T$$Ce\atop{N}$$=3.8 K, is linearly suppressed with xNd. We associate this effect with the presence of a “Kondo hole” created by Nd substitution. The extrapolation of T$$Ce\atop{N}$$ to zero temperature, however, occurs at xc~0.3, which is below the two-dimensional percolation limit found in Ce1₋xLaxRhIn5. This result strongly suggests the presence of a crystal-field induced magnetic frustration. Near xNd~0.2, the Ising antiferromagnetic order from Nd3+ ions is stabilized and T$$Nd\atop{N}$$ increases up to 11 K in NdRhIn5. Finally, our results shed light on the effects of magnetic doping in heavy-fermion antiferromagnets and stimulate the study of such systems under applied pressure.
- Authors:
-
- Univ. of California, Irvine, CA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Univ. of California, Irvine, CA (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Instituto de Fisica Gleb Wataghin, UNICAMP, Campinas-SP (Brazil)
- 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)
- OSTI Identifier:
- 1337102
- Alternate Identifier(s):
- OSTI ID: 1260297
- Report Number(s):
- LA-UR-16-22124
Journal ID: ISSN 2469-9950
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 94; Journal Issue: 4; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Rosa, Priscila Ferrari Silveira, Oostra, Aaron, Thompson, Joe David, Pagliuso, Pascoal G., and Fisk, Zachary. Unusual Kondo-hole effect and crystal-field frustration in Nd-doped CeRhIn5. United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.94.045101.
Rosa, Priscila Ferrari Silveira, Oostra, Aaron, Thompson, Joe David, Pagliuso, Pascoal G., & Fisk, Zachary. Unusual Kondo-hole effect and crystal-field frustration in Nd-doped CeRhIn5. United States. https://doi.org/10.1103/PhysRevB.94.045101
Rosa, Priscila Ferrari Silveira, Oostra, Aaron, Thompson, Joe David, Pagliuso, Pascoal G., and Fisk, Zachary. Tue .
"Unusual Kondo-hole effect and crystal-field frustration in Nd-doped CeRhIn5". United States. https://doi.org/10.1103/PhysRevB.94.045101. https://www.osti.gov/servlets/purl/1337102.
@article{osti_1337102,
title = {Unusual Kondo-hole effect and crystal-field frustration in Nd-doped CeRhIn5},
author = {Rosa, Priscila Ferrari Silveira and Oostra, Aaron and Thompson, Joe David and Pagliuso, Pascoal G. and Fisk, Zachary},
abstractNote = {In this research, we investigate single crystals of Ce1₋xNdxRhIn5 by means of x-ray-diffraction, microprobe, magnetic susceptibility, heat capacity, and electrical resistivity measurements. Our data reveal that the antiferromagnetic transition of CeRhIn5, at T$Ce\atop{N}$=3.8 K, is linearly suppressed with xNd. We associate this effect with the presence of a “Kondo hole” created by Nd substitution. The extrapolation of T$Ce\atop{N}$ to zero temperature, however, occurs at xc~0.3, which is below the two-dimensional percolation limit found in Ce1₋xLaxRhIn5. This result strongly suggests the presence of a crystal-field induced magnetic frustration. Near xNd~0.2, the Ising antiferromagnetic order from Nd3+ ions is stabilized and T$Nd\atop{N}$ increases up to 11 K in NdRhIn5. Finally, our results shed light on the effects of magnetic doping in heavy-fermion antiferromagnets and stimulate the study of such systems under applied pressure.},
doi = {10.1103/PhysRevB.94.045101},
journal = {Physical Review B},
number = 4,
volume = 94,
place = {United States},
year = {Tue Jul 05 00:00:00 EDT 2016},
month = {Tue Jul 05 00:00:00 EDT 2016}
}
Web of Science
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