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Hannan, A.*; Okayama, Yasushi*; Osakabe, Toyotaka; Kuwahara, Keitaro*; Kogi, Masafumi*
Journal of the Physical Society of Japan, 76(5), p.054706_1 - 054706_6, 2007/05
Times Cited Count:1 Percentile:10.85(Physics, Multidisciplinary)We have studied the origin of the anomalous peak structure of resistivity of the low-carrier system CeSb appeared around the antiferromagnetic transition temperature T under high pressures by means of simultaneous measurement of lattice parameter by X-ray diffraction and resistivity together with neutron diffraction technique. It was found that there is a strong relationship between the unusual decrease of lattice parameter and the unusual increase of resistance below T under high pressure. Both of these phenomena can be explained by the appearance of the - like magnetic state of Ce ion below T.