Excitations and magnetization density distribution in the dilute ferromagnetic semiconductor
Abstract
One rare example of a Kondo lattice compound with ferromagnetic dominated RKKY interactions is Yb$$_{14}$$MnSb$$_{11}$$. As a ferromagnetic semiconductor with $$T_c \approx 53$$~K, it is also a potential compound for exploration of spintronic devices. This material is furthermore one of the most efficient high temperature thermoelectrics. We describe measurements which answer remaining questions regarding the energy scales of the exchange interactions, the valence and the magnetization density distribution in this system. We also find that the system consists of RKKY exchange coupled Mn$$^{2+}$$ sites with nearest and next nearest exchange interactions dominating the magnetic spectrum with no significant magnetization density localized on other atomic sites. The extended spread of a negative magnetization around each of the Mn ions supports a Kondo screening cloud scenario for Yb$$_{14}$$MnSb$$_{11}$$.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division
- Alternative Energies and Atomic Energy Commission (CEA) and National Center for Scientific Research (CNRS), Saclay (France). Leon Brilloun Lab.
- Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1360061
- Alternate Identifier(s):
- OSTI ID: 1341271
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 95; Journal Issue: 2; 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
Citation Formats
Stone, M. B., Garlea, V. O., Gillon, B., Cousson, A., Christianson, A. D., Lumsden, M. D., Nagler, S. E., Mandrus, D., and Sales, B. C. Excitations and magnetization density distribution in the dilute ferromagnetic semiconductor Yb14MnSb11. United States: N. p., 2017.
Web. doi:10.1103/PhysRevB.95.020412.
Stone, M. B., Garlea, V. O., Gillon, B., Cousson, A., Christianson, A. D., Lumsden, M. D., Nagler, S. E., Mandrus, D., & Sales, B. C. Excitations and magnetization density distribution in the dilute ferromagnetic semiconductor Yb14MnSb11. United States. https://doi.org/10.1103/PhysRevB.95.020412
Stone, M. B., Garlea, V. O., Gillon, B., Cousson, A., Christianson, A. D., Lumsden, M. D., Nagler, S. E., Mandrus, D., and Sales, B. C. Mon .
"Excitations and magnetization density distribution in the dilute ferromagnetic semiconductor Yb14MnSb11". United States. https://doi.org/10.1103/PhysRevB.95.020412. https://www.osti.gov/servlets/purl/1360061.
@article{osti_1360061,
title = {Excitations and magnetization density distribution in the dilute ferromagnetic semiconductor Yb14MnSb11},
author = {Stone, M. B. and Garlea, V. O. and Gillon, B. and Cousson, A. and Christianson, A. D. and Lumsden, M. D. and Nagler, S. E. and Mandrus, D. and Sales, B. C.},
abstractNote = {One rare example of a Kondo lattice compound with ferromagnetic dominated RKKY interactions is Yb$_{14}$MnSb$_{11}$. As a ferromagnetic semiconductor with $T_c \approx 53$~K, it is also a potential compound for exploration of spintronic devices. This material is furthermore one of the most efficient high temperature thermoelectrics. We describe measurements which answer remaining questions regarding the energy scales of the exchange interactions, the valence and the magnetization density distribution in this system. We also find that the system consists of RKKY exchange coupled Mn$^{2+}$ sites with nearest and next nearest exchange interactions dominating the magnetic spectrum with no significant magnetization density localized on other atomic sites. The extended spread of a negative magnetization around each of the Mn ions supports a Kondo screening cloud scenario for Yb$_{14}$MnSb$_{11}$.},
doi = {10.1103/PhysRevB.95.020412},
journal = {Physical Review B},
number = 2,
volume = 95,
place = {United States},
year = {Mon Jan 23 00:00:00 EST 2017},
month = {Mon Jan 23 00:00:00 EST 2017}
}
Web of Science
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Works referencing / citing this record:
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