Spin arrangements in R2Co14B compounds (R = rare earth) |
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| Affiliation: | 1. Physics Department, Lahore Garrison University, Lahore 54000, Punjab, Pakistan;2. Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan;3. Solar Cell Application Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan;4. State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing Engineering Centre for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, China;5. Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China;6. Nanomaterials Research Group, Physics Division, PINSTECH, Islamabad, Pakistan;7. Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, Guangdong 518000, China;8. Department of Clinical & Diagnostic Sciences, Health Physics Program, the University of Alabama at Birmingham, USA |
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| Abstract: | R2Co14B compounds (R = Pr, Nd and Tb) have been studied for evidence of spin reorientation in the temperature range 4.2 K − 1100 K with the use of magnetometry technique. It has been established that Pr2Co14BandTb2Co14B undergo spin reorientations at temperatures 664 K and 795 K, respectively. These are axis-to-plane reorientations with increasing temperature. Nd2Co14B undergoes two spin transitions as temperature progresses: one at ∼ 34 K (cone-to-axis) and the second at ∼ 546 K (axis-to-plane). A diagram of spin arrangements observed in all existing R2Co14B compounds has been constructed. |
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