Antiferromagnetic exchange weakening in the TbRhIn5 intermetallic system with Y-substitution
- Amaral, R. P.
- Lora-Serrano, R.
- Garcia, D. J.
- Iwamoto, W. A.
- Betancourth, D.
- Cadogan, J. M.
- Munoz-Perez, S.
- Avdeev, M.
- Cobas-Acosta, R.
- Bittar, E. M.
- Duque, J. G. S.
- Pagliuso, P. G.
DOIAbstract
CNPQ - CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICOFAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOFAPEMIG - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE MINAS GERAISCAPES - COORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL E NÍVEL SUPERIORWe report measurements of the temperature dependent specific heat and magnetic susceptibility in single crystals of the series of intermetallic compounds Tb1-xYxRhIn5 (nominal concentrations x = 0.0, 0.15, 0.3, 0.4, 0.5, 0.7). A mean field approximation to simulate the macroscopic properties along the series has been used. Neutron diffraction data in powdered samples of Tb(0.5)Y(0.4)Rhln(5) and Tb0.6La0.4RhIn5 reveal antiferromagnetic (AFM) propagation vector (k) over right arrow =[1/2...
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