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Title: Crystal-field and magnetic-ordering in the cubic kondo-lattice ybpdsb
Authors: Lebras, G
Bonville, P
Imbert, P
Polatsek, G
Besnus, Mj
Haen, P
Moshchalkov, Victor
Issue Date: Apr-1994
Publisher: Elsevier science bv
Series Title: Physica b vol:199 pages:542-544
Abstract: Specific heat and Yb-170 Mossbauer spectroscopy measurements performed in cubic YbPdSb show that the Yb3+ CEF ground state is the GAMMA8 quartet with a Kondo temperature T(K) congruent-to 8 K. A first-order magnetic transition is observed at T = 1 K; at T = 0.05 K, the Yb3+ spontaneous magnetic moment is 1.3 mu(B), markedly smaller than the saturated GAMMA8 magnetic moment (approximately 2 mu(B)). The Yb-170 Mossbauer spectra with applied magnetic field in the magnetically ordered phase show that the RKKY exchange is anisotropic and provide an estimation for T(RXKY) which is found to be of the same order of magnitude as T(K).
URI: 
ISSN: 0921-4526
Publication status: published
KU Leuven publication type: DI
Appears in Collections:Solid State Physics and Magnetism Section

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