[Refroidissement électronique à haute performance par jonction tunnel supraconductrice]
Polarisée à une tension juste inférieure à la bande interdite du supraconducteur, une jonction tunnel entre ce supraconducteur et un métal normal peut refroidir ce dernier. Alors que les études de ces dispositifs se sont longtemps concentrées sur des structures de taille submicronique, en conséquence avec des puissances de refroidissement de l'ordre du picowatt, nous avons mené une étude complète de jonctions NIS avec une forte puissance de refroidissement, de l'ordre du nanowatt. Dans cette revue, nous décrivons comment leurs performances peuvent être optimisées par l'ajout d'un drain pour les quasi-particles et l'ajustement de la barrière tunnel des jonctions réfrigérantes.
When biased at a voltage just below a superconductor's energy gap, a tunnel junction between this superconductor and a normal metal cools the latter. While the study of such devices has long been focused to structures of submicron size and consequently cooling power in the picowatt range, we have led a thorough study of devices with a large cooling power up to the nanowatt range. Here we describe how their performance can be optimized by using a quasi-particle drain and tuning the cooling junctions' tunnel barrier.
Mot clés : Jonctions tunnel, Refroidissement électronique, Thermoélectricité
Hervé Courtois 1, 2 ; Hung Q. Nguyen 3, 4 ; Clemens B. Winkelmann 1, 2 ; Jukka P. Pekola 4
@article{CRPHYS_2016__17_10_1139_0, author = {Herv\'e Courtois and Hung Q. Nguyen and Clemens B. Winkelmann and Jukka P. Pekola}, title = {High-performance electronic cooling with superconducting tunnel junctions}, journal = {Comptes Rendus. Physique}, pages = {1139--1145}, publisher = {Elsevier}, volume = {17}, number = {10}, year = {2016}, doi = {10.1016/j.crhy.2016.08.010}, language = {en}, }
TY - JOUR AU - Hervé Courtois AU - Hung Q. Nguyen AU - Clemens B. Winkelmann AU - Jukka P. Pekola TI - High-performance electronic cooling with superconducting tunnel junctions JO - Comptes Rendus. Physique PY - 2016 SP - 1139 EP - 1145 VL - 17 IS - 10 PB - Elsevier DO - 10.1016/j.crhy.2016.08.010 LA - en ID - CRPHYS_2016__17_10_1139_0 ER -
%0 Journal Article %A Hervé Courtois %A Hung Q. Nguyen %A Clemens B. Winkelmann %A Jukka P. Pekola %T High-performance electronic cooling with superconducting tunnel junctions %J Comptes Rendus. Physique %D 2016 %P 1139-1145 %V 17 %N 10 %I Elsevier %R 10.1016/j.crhy.2016.08.010 %G en %F CRPHYS_2016__17_10_1139_0
Hervé Courtois; Hung Q. Nguyen; Clemens B. Winkelmann; Jukka P. Pekola. High-performance electronic cooling with superconducting tunnel junctions. Comptes Rendus. Physique, Volume 17 (2016) no. 10, pp. 1139-1145. doi : 10.1016/j.crhy.2016.08.010. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2016.08.010/
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