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Nature Communications, volume 1, issue 1, publication number 140

Pseudogap in a thin film of a conventional superconductor

Publication typeJournal Article
Publication date2010-12-14
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
A superconducting state is characterized by the gap in the electronic density of states, which vanishes at the superconducting transition temperature T(c). It was discovered that in high-temperature superconductors, a noticeable depression in the density of states, the pseudogap, still remains even at temperatures above T(c). Here, we show that a pseudogap exists in a conventional superconductor, ultrathin titanium nitride films, over a wide range of temperatures above T(c). Our study reveals that this pseudogap state is induced by superconducting fluctuations and favoured by two-dimensionality and by the proximity to the transition to the insulating state. A general character of the observed phenomenon provides a powerful tool to discriminate between fluctuations as the origin of the pseudogap state and other contributions in the layered high-temperature superconductor compounds.

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GOST |
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GOST Copy
Sacépé B. et al. Pseudogap in a thin film of a conventional superconductor // Nature Communications. 2010. Vol. 1. No. 1. 140
GOST all authors (up to 50) Copy
Sacépé B., Chapelier C., Baturina T. I., Vinokur V. M., Baklanov M. R., Sanquer M. Pseudogap in a thin film of a conventional superconductor // Nature Communications. 2010. Vol. 1. No. 1. 140
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/ncomms1140
UR - https://doi.org/10.1038/ncomms1140
TI - Pseudogap in a thin film of a conventional superconductor
T2 - Nature Communications
AU - Sacépé, Benjamin
AU - Chapelier, Claude
AU - Baturina, Tatyana I.
AU - Vinokur, Valerii M.
AU - Baklanov, Mikhail R.
AU - Sanquer, Marc
PY - 2010
DA - 2010/12/14
PB - Springer Nature
IS - 1
VL - 1
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2010_Sacépé,
author = {Benjamin Sacépé and Claude Chapelier and Tatyana I. Baturina and Valerii M. Vinokur and Mikhail R. Baklanov and Marc Sanquer},
title = {Pseudogap in a thin film of a conventional superconductor},
journal = {Nature Communications},
year = {2010},
volume = {1},
publisher = {Springer Nature},
month = {dec},
url = {https://doi.org/10.1038/ncomms1140},
number = {1},
doi = {10.1038/ncomms1140}
}
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