Superconductivity in High-Temperature Materials

Author(s)	Dr. TAPAS KUMAR CHATTOPADHYAY
Country	India
Abstract	Superconductivity, the complete loss of electrical resistance and expulsion of magnetic fields in certain materials below a critical temperature, remains one of the most fascinating quantum phenomena in condensed matter physics. Since its discovery in 1911 by Heike Kamerlingh Onnes, the study of superconductivity has grown into a multidisciplinary field connecting physics, materials science, and engineering. The development of the Bardeen–Cooper–Schrieffer (BCS) theory in 1957 provided a microscopic explanation for conventional superconductors. However, the discovery of high-temperature superconductors (HTS) in 1986 challenged existing theories and opened a new chapter in physics. These materials, especially copper-oxide (cuprate) superconductors, exhibit superconductivity at temperatures far above those predicted by BCS theory, in some cases even above the boiling point of liquid nitrogen (77 K).
Keywords	Superconductivity ,critical temperature,High-Tc Materials
Field	Physics > Energy
Published In	Volume 7, Issue 5, September-October 2025
Published On	2025-09-08
DOI	https://doi.org/10.36948/ijfmr.2025.v07i05.55511

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