Superconductivity in Heavy Fermion Materials
Shailaj Kumar Shrivastava

Shailaj Kumar Shrivastava, Principal, Anugrah Memorial College, Gaya, Bihar, India (A constituent unit of Magadh University, BodhGaya.

Manuscript received on February 06, 2020. | Revised Manuscript received on February 10, 2020. | Manuscript published on February 30, 2020. | PP: 1378-1381 | Volume-9 Issue-3, February, 2020. | Retrieval Number: C5162029320/2020©BEIESP | DOI: 10.35940/ijeat.C5162.029320
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Abstract: The heavy fermion materials have small superconducting transition temperature and large specific heat corresponding to large effective masses. In these materials the superconductivity co-exists with ferromagnetic or antiferromagnetic order at low temperature. It shows phenomena like magnetic instabilities, quantum critical points (QCP), non-fermi liquid (NFL) and unconventional superconductivity. By comparing the superconducting properties, phase diagram and effect of magnetic field and pressure of heavy fermions based on uranium, cerium, and praseodymium, the basic physics behind pairing mechanism can be imagined. This paper aims to present remarkable findings in superconductivity of various heavy fermion materials.
Keywords: Cerium, heavy fermion superconductors, Praseodymium, Unconventional superconductivity, Uranium.