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Journal Articles

Unusual electronic state of the low-carrier system CeSb under high pressure studied by simultaneous measurement of electrical resistivity and lattice parameter

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

https://doi.org/10.1143/JPSJ.76.054706

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 $_{N}$ 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 $_{N}$ under high pressure. Both of these phenomena can be explained by the appearance of the $_{8}$ - like magnetic state of Ce $^{3+}$ ion below T $_{N}$ .