2012
DOI: 10.1088/0953-8984/24/41/416002
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The effect of hybridization on local magnetic interactions at highly diluted Ce ions in tetragonal intermetallic compounds RERh2Si2(RE=Ce, Pr, Nd, Gd, Tb, Dy)

Abstract: The contribution of the 4f electron to the local magnetic field at highly diluted Ce atoms in RERh(2)Si(2) (RE = Ce, Pr, Nd, Gd, Tb, Dy) has been investigated as a function of temperature through the measurement of the magnetic hyperfine field in (140)Ce nuclei by time differential perturbed gamma-gamma angular correlation spectroscopy. Samples of the studied compounds were characterized by x-ray diffraction and zero-field resistance to determine the crystal structure and transport properties. DC magnetic susc… Show more

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Cited by 17 publications
(13 citation statements)
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“…A description of the method as well as details about the PAC measurements can be found elsewhere. 10,11 The spin rotation spectra (R(t)) obtained in the PAC measurements allows, in the dipole magnetic interaction, the determination of the Larmor frequency ω L = µ N gB h f / , where µ N is the nuclear magneton, and consequently the magnetic hyperfine field B h f is obtained.…”
Section: Methodsmentioning
confidence: 99%
“…A description of the method as well as details about the PAC measurements can be found elsewhere. 10,11 The spin rotation spectra (R(t)) obtained in the PAC measurements allows, in the dipole magnetic interaction, the determination of the Larmor frequency ω L = µ N gB h f / , where µ N is the nuclear magneton, and consequently the magnetic hyperfine field B h f is obtained.…”
Section: Methodsmentioning
confidence: 99%
“…Visto que medições do campo hiperfino magnético (B hf ) com impurezas altamente diluídas em metais era uma ferramenta importante para o estudo de momentos magnéticos localizados, começou a serem realizados muitos experimentos com impurezas em ambientes magnéticos de elementos metálicos, utilizando diferentes técnicas hiperfinas, tais como, espectroscopia Moussbauer e espectroscopia PAC, e o comportamento das curvas do campo hiperfino magnético e, função da temperatura passou a ser analisado, e propriedades físicas dos materiais puderam ser verificadas [5].…”
Section: Capítulo 1 Introduçãounclassified
“…Esse campo de troca é dimensionado para a magnetização reduzida do Fe, por um parâmetro, o qual propõe que a intensidade da interação de troca "host"-impureza é diferente da interação "hosthost". Alguma modificação ao modelo proposto por Jaccarino tem sido adicionadas para levar em conta a contribuição ao B hf dos elétrons de condução, de forma a usar esse modelo com impurezas de terra rara e "host" [5,7,8,9].…”
Section: Capítulo 1 Introduçãounclassified
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