Superconductor-based Light Emitting Diode: Demonstration of Role of Cooper Pairs in Radiative Recombination Processes


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/33908

Title:	Superconductor-based Light Emitting Diode: Demonstration of Role of Cooper Pairs in Radiative Recombination Processes
Authors:	Hayashi, Yujiro Browse this author
	Tanaka, Kazunori Browse this author
	Akazaki, Tatsushi Browse this author
	Jo, Masafumi Browse this author
	Kumano, Hidekazu Browse this author →KAKEN DB
	Suemune, Ikuo Browse this author →KAKEN DB
Issue Date:	2008
Publisher:	Japan Society of Applied Physics
Journal Title:	Applied Physics Express
Volume:	1
Start Page:	011701
Publisher DOI:	10.1143/APEX.1.011701
Abstract:	A light emitting diode with superconducting Nb electrodes was fabricated to investigate the contribution of cooper pairs to radiative recombination in a semiconductor. Electroluminescence observed from the active layer in which electron cooper pairs and normal holes are injected was drastically enhanced at the temperature lower than the superconducting transition temperature of the Nb electrodes. This is the first experimental evidence that cooper pairs enhance radiative recombinations by the superradiance effect.
Type:	article (author version)
URI:	http://hdl.handle.net/2115/33908
Appears in Collections:	電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 末宗幾夫

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