R2Ir3Sn5 (R = La, Ce, Pr, Nd)体系的输运和磁性能

Journal of Physics C: Solid State Physics Pub Date : 2011-07-11 DOI:10.1063/1.3606303

N. Sangeetha, A. Thamizhavel, S. Basu, S. Ramakrishnan, D. Pal

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摘要

本文报道了R2Ir3Sn5 (R = La, Ce, Pr, Nd)体系的输运和磁性能。R2Ir3Sn5 (R = Ce to Nd)结晶为正交晶型(Cmc21)， La2Ir3Sn5结晶为正交晶型(Ibam)。Ce2Ir3Sn5具有近藤行为(近藤温度，TK = 271 K)，并伴有3.5 K的反铁磁有序。Pr2Ir3Sn5和Nd2Ir3Sn5的研究表明，磁性有序度低于5k。

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Transport and Magnetic Properties of R2Ir3Sn5 (R = La, Ce, Pr, and Nd) System

We report here transport and magnetic properties of the R2Ir3Sn5 (R = La, Ce, Pr, Nd) system. R2Ir3Sn5 (R = Ce to Nd) crystallizes in orthorhombic structure (Cmc21) while La2Ir3Sn5 forms in orthorhombic U2Co3Si5 (Ibam) structure. Ce2Ir3Sn5 depicts Kondo behavior (Kondo temperature, TK = 271 K) accompanied with an antiferromagnetic ordering at 3.5 K. Studies on Pr2Ir3Sn5 and Nd2Ir3Sn5 indicate magnetic ordering below 5 K.

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Journal of Physics C: Solid State Physics

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