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250721s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202507013
|2 doi
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|a eng
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| 100 |
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|a Semenok, Dmitrii V
|e verfasserin
|4 aut
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| 245 |
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|a Fundamental Limits on the Electron-Phonon Coupling and Superconducting Tc
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|c 2025
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 09.10.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2025 Wiley‐VCH GmbH.
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|a Fundamental upper bounds on the electron-phonon interaction strength and superconducting transition temperature Tc in metals are established based on the intrinsic instability of the equilibrium between electrons and the crystal lattice under strong interaction. This instability explains why observed electron-phonon coupling constants are limited to λ ≲ 4. The theory also accounts for the mechanism of metastable superconductivity with enhanced Tc, which emerges near the instability threshold. Based on theoretical analysis and comparison with experimental data, room-temperature phonon-mediated superconductivity is found to be feasible exclusively in hydrogen compounds
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|a Journal Article
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|a electron‐phonon interaction
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| 650 |
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|a high‐pressure
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| 650 |
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|a hydrides
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| 650 |
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4 |
|a metals
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| 650 |
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|a superconductivity
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| 700 |
1 |
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|a Altshuler, Boris L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuzbashyan, Emil A
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 40 vom: 20. Okt., Seite e2507013
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:37
|g year:2025
|g number:40
|g day:20
|g month:10
|g pages:e2507013
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|u http://dx.doi.org/10.1002/adma.202507013
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