Magneto-optical imaging with diluted magnetic semiconductor quantum wells

Magneto-optical imaging with diluted magnetic semiconductor quantum wells
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稀释磁性半导体量子阱的磁光成像

DOI:
10.1063/1.1534617
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发表时间:
2003
期刊:
影响因子:
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通讯作者:
G. Karczewski
G. Karczewski
中科院分区:
--
文献类型:
--
作者:
C. Gourdon;V. Jeudy;M. Menant;D. Roditchev;L. Tu;E. Ivchenko;G. Karczewski

文献摘要

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提出了一种用于低温高分辨法拉第显微术的磁光层结构,该结构中含有CdMnTe稀磁半导体量子威尔斯阱。通过将量子威尔斯阱嵌入到一个超导金属光腔中,可以将法拉第旋转增强到54.4 °T−1。这些MOL允许观察超导层中的中间态图案,空间分辨率和磁分辨率分别为1 μm和10 mT。
Heterostructures containing CdMnTe-diluted magnetic semiconductor quantum wells are proposed as magneto-optic layers (MOL) for high-resolution Faraday microscopy at low temperature. The Faraday rotation is enhanced up to 54.4 deg T−1 by embedding the quantum wells in a semiconductor–metal optical cavity. These MOL allowed the observation of the intermediate state pattern in a superconductor layer with spatial and magnetic resolutions of 1 μm and 10 mT, respectively.