Superconductivity at High Pressure
A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Inorganic Crystalline Materials".
Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 5290
Special Issue Editor
Special Issue Information
Dear Colleagues,
The exploration of the chemical, structural, and electronic parameters of a solid, which lead to the appearance or enhancement of superconductivity, is an ongoing topic of intensive research. The study of pressure effects on the properties of superconducting materials can serve as a quantitative test of theoretical models and, at the same time, as a guide in the synthesis of novel materials with superconducting properties. Therefore, many materials that do not superconduct at ambient conditions become superconducting at high (very high) pressures, while some superconducting materials can be synthesized only at the conditions of high pressure and high temperature. The study of the dependence of the critical temperature (Tc) of superconductivity on pressure can provide ideas for increasing Tc for a given superconductor at ambient pressure through chemical substitution (doping).
Very often, superconductivity appears in compounds, which are close to a structural, magnetic, or electronic instability. High pressure is a powerful tool used to tune the system towards such instabilities and, therefore, in a superconducting state. Therefore, iron-based superconductors with superconductivity emerging on the borderline of ordered magnetic states have been intensively studied under pressure. The pressure tuning of the special electronic structure of topological materials led to the observation of superconductivity in a number of topological materials, an accomplishment which might be regarded as an important step toward topological superconductors with intriguing physics. The recent discovery of high-temperature superconductivity (close to room temperature) in pressurized “superhydrides” on the edge of structural instability is a prominent milestone in the history of superconductivity. All these achievements are associated with the development of and strong synergy between high-pressure experimental techniques and theoretical and calculational methods.
The goal of this Special Issue concerning “Superconductivity at High Pressure” is to provide a view of contemporary achievements in the high-pressure synthesis and study of novel superconducting materials with special emphasis on the interplay between superconductivity and the structural, electronic, magnetic, etc., properties of matter. Authors are invited to contribute to the Special Issue with articles presenting novel experimental and theoretical advances.
Dr. Sergey A. Medvedev
Guest Editor
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Keywords
- high-pressure research
- superconductivity
- pressure-induced phase transitions
- hydrides
- topological materials
- first-principle calculations
- high-pressure synthesis
- characterization methods
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