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Chin. Phys. B, 2015, Vol. 24(10): 107504    DOI: 10.1088/1674-1056/24/10/107504
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

Effects of R-site compositions on the meta-magnetic behavior of Tb1-xPrx(Fe0.4Co0.6)1.88C0.05 (x= 0, 0.8, and 1)

Huang Jun-Wei (黄俊伟)a, Xia Zheng-Cai (夏正才)a, Cheng Gang (成钢)b, Shi Li-Ran (时丽然)a, Jin Zhao (金昭)a, Shang Cui (尚翠)a, Wei Meng (魏蒙)a
a School of Physics and Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan 430074, China;
b Department of Information Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Abstract  

We investigate the low-temperature magnetic properties of intermetallic compounds Tb1-xPrx(Fe0.4Co0.6)1.88C0.05 (x= 0, 0.8, and 1) by detailed magnetization measurements. Obvious temperature- and field-induced irreversibilities suggest the coexistence of multiple magnetic phases. Sharp magnetization jumps across the antiferromagnetic to ferromagnetic transition are observed only in the Pr-containing samples, indicating that the behavior of the avalanche-like growth of ferromagnetic clusters is mainly related to the light lanthanide Pr ions. In addition, the time relaxation, field sweep rate, and cooling field dependence of magnetization jumps in the sample with x= 1 are consistent with those in the martensitic scenario.

Keywords:  magnetization jumps      martensite-like transition      intermetallics  
Received:  13 March 2015      Revised:  27 April 2015      Accepted manuscript online: 
PACS:  75.60.Ej (Magnetization curves, hysteresis, Barkhausen and related effects)  
  75.25.Dk (Orbital, charge, and other orders, including coupling of these orders)  
  75.30.Cr (Saturation moments and magnetic susceptibilities)  
  75.50.Cc (Other ferromagnetic metals and alloys)  
Fund: 

Project supported by the National Natural Science Foundation of China (Grant No. 11104091) and the Funds from Provincial Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guangxi Zhuang Autonomous Region, China (Grant No. 1210908-05-K).

Corresponding Authors:  Xia Zheng-Cai     E-mail:  xia9020@hust.edu.cn

Cite this article: 

Huang Jun-Wei (黄俊伟), Xia Zheng-Cai (夏正才), Cheng Gang (成钢), Shi Li-Ran (时丽然), Jin Zhao (金昭), Shang Cui (尚翠), Wei Meng (魏蒙) Effects of R-site compositions on the meta-magnetic behavior of Tb1-xPrx(Fe0.4Co0.6)1.88C0.05 (x= 0, 0.8, and 1) 2015 Chin. Phys. B 24 107504

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