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Low-temperature specific heat of CeAl3 and related compounds
Affiliation:1. Research and Development Center for Functional Crystals, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinses Academy of Sciences, Beijing, 100190, China;2. University of Chinese Academy of Sciences, Beijing, 100049, China;3. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 101408, China;4. Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China;1. The School of Mathematics and Physics, Lanzhou Jiaotong University, Lanzhou 730070, PR China;2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;3. Department of Physics, Nanjing Normal University, Nanjing 210023, PR China;4. Department of Physics, LanZhou University, Lanzhou 730000, PR China;1. School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China;2. Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, China;1. Department of Photonics, Izmir Institute of Technology, 35430 Izmir, Turkey;2. Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium;3. Universidade Federal do Ceara, Departamento de Fisica, Caixa Postal 6030, 60455-760 Fortaleza, Ceara, Brazil;1. Department of Physics, Indian Institute of Science Education and Research, Pune 411008, India;2. Centre for Energy Science, Indian Institute of Science Education and Research, Pune 411008, India;3. UGC-DAE Consortium for Scientific Research, Indore Centre, University Campus, Khandwa Road, Indore 452001, India
Abstract:Low-temperature measurements of the specific heat are reported for Ce1−xLaxAl3 and Y1−xThxAl3. The observed maxima for Ce1−xLaxAl3 are attributed to crystalline field effects. The marked variations in the electronic density of states for Y1−xThxAl3 are ascribed to influences of Brillouin zones. Results are related to the Kondo sideband model.
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