Point contact spectroscopy of U2Zn17 |
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| Affiliation: | 1. Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium;2. Department of Radiation Application, Shahid Beheshti University, G. C., Tehran, Iran;3. Department of Physics, Faculty of Science, University of Kurdistan, 66177-15175 Sanandaj, Iran;4. Department of Photonics, Izmir Institute of Technology, 35430 Izmir, Turkey;5. Department of Physics, University of Oslo, P.O. Box 1048, Blindern, Oslo, Norway;6. College of Electronic and Electrical Engineering, Sungkyun Kwan University, Suwon, Korea;7. Department of Physics, Kirklareli University, Kirklareli, 39100, Turkey;1. Guangzhou Key Laboratory of Sensing Materials & Devices, c/o Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, Guangdong 510006, China;2. Faculty of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China |
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| Abstract: | We report on point contact measurements on the heavy fermion system U2Zn17. It is shown that the first derivative of the current-voltage characteristic of low resistance contacts is very sensitive to the magnetic phase transition. A point contact theory applicable to heavy fermion compounds is still missing. The results are discussed in the frame of the heating model, which includes electrical and thermal resistivity as well as thermopower effects. |
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