Superconductor-based Light Emitting Diode: Demonstration of Role of Cooper Pairs in Radiative Recombination Processes
Superconductor-based Light Emitting Diode: Demonstration of Role of Cooper Pairs in Radiative Recombination Processes
复制标题
DOI：
10.1143/apex.1.011701
复制
发表时间：
2008-01
影响因子：
2.3
通讯作者：
Y. Hayashi;Kazunori Tanaka;T. Akazaki;M. Jo;H. Kumano;I. Suemune
中科院分区：
文献类型：
--
作者：
Y. Hayashi;Kazunori Tanaka;T. Akazaki;M. Jo;H. Kumano;I. Suemune
为了研究库珀对在半导体发光复合中的作用，制作了一种具有超导Nb电极的发光二极管。在低于Nb电极的超导转变温度的温度下，从注入电子库珀对和正常空穴的活性层观察到的电致发光急剧增强。这是第一个实验证据表明，库珀对增强辐射复合的超辐射效应。
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.