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Advances in Superconducting Materials
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Advances in Superconducting Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Physics".

Deadline for manuscript submissions: closed (10 December 2022) | Viewed by 1868

Special Issue Editor

Prof. Dr. Zhonghao Liu

E-Mail Website
Guest Editor
Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences, Shanghai, China
Interests: superconductivity and superconductors; strong correlation system; low dimensional electronic system; topological materials; angle resolved photoemission spectroscopy

Special Issue Information

Dear Colleagues,

Superconductivity is a novel phenomenon in certain materials, where electrical resistance vanishes and magnetic flux fields are expelled from the material, but the mechanism has been puzzling for a long time. In addition, superconductors have been employed in many application fields such as superconducting magnets, SQUIDs, microwave filters, etc. Therefore, the finding of, designing, characterization, and application of superconducting materials are issues of high significance. This Special Issue covers both theoretical and experimental studies in superconducting materials. With great pleasure, we would like to invite you to submit a manuscript, welcoming full articles, short communications, and review papers.

Prof. Dr. Zhonghao Liu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • superconductivity
  • superconductor
  • superconducting materials design
  • superconducting materials characterization
  • superconducting materials application

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Published Papers (1 paper)

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Research

10 pages, 5909 KiB  
Article
Electronic Structure and Minimal Models for Flat and Corrugated CuO Monolayers: An Ab Initio Study
by Anatoly A. Slobodchikov, Igor A. Nekrasov, Lyudmila V. Begunovich, Ilya A. Makarov, Maxim M. Korshunov and Sergey G. Ovchinnikov
Materials 2023, 16(2), 658; https://doi.org/10.3390/ma16020658 - 10 Jan 2023
Viewed by 1529
Abstract
CuO atomic thin monolayer (mlCuO) was synthesized recently. Interest in the mlCuO is based on its close relation to CuO2 layers in typical high temperature cuprate superconductors. Here, we present the calculation of the band structure, the density of states [...] Read more.
CuO atomic thin monolayer (mlCuO) was synthesized recently. Interest in the mlCuO is based on its close relation to CuO2 layers in typical high temperature cuprate superconductors. Here, we present the calculation of the band structure, the density of states and the Fermi surface of the flat mlCuO as well as the corrugated mlCuO within the density functional theory (DFT) in the generalized gradient approximation (GGA). In the flat mlCuO, the Cu-3dx2−y2 band crosses the Fermi level, while the Cu-3dxz,yz hybridized band is located just below it. The corrugation leads to a significant shift of the Cu-3dxz,yz hybridized band down in energy and a degeneracy lifting for the Cu-3dx2−y2 bands. Corrugated mlCuO is more energetically favorable than the flat one. In addition, we compared the electronic structure of the considered CuO monolayers with bulk CuO systems. We also investigated the influence of a crystal lattice strain (which might occur on some interfaces) on the electronic structure of both mlCuO and determined the critical strains of topological Lifshitz transitions. Finally, we proposed a number of different minimal models for the flat and the corrugated mlCuO using projections onto different Wannier functions basis sets and obtained the corresponding Hamiltonian matrix elements in a real space. Full article
(This article belongs to the Special Issue Advances in Superconducting Materials)
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