- Site-controlled InAs quantum dots grown on a 55 nm thick GaAs buffer layer
[作者:Pfau, TJ; Gushterov, A; Reithmaier, JP; Cestier, I; Eisenstein, G; Linder, E; Gershoni, D,期刊:Applied Physics Letters, 页码:243106-243106 , 文章类型: Article,,卷期:2009年95-24]
- We present site-controlled low density InAs quantum dots grown by molecular beam epitaxy with a template based overgrowth technique allowing enlarged buffer layers upto 55 nm. Growing a seeding layer of InAs quantum dots...
- Carbon nanofiber supercapacitors with large areal capacitances
[作者:McDonough, JR; Choi, JW; Yang, Y; La Mantia, F; Zhang, YG; Cui, Y,期刊:Applied Physics Letters, 页码:243109-243109 , 文章类型: Article,,卷期:2009年95-24]
- We develop supercapacitor (SC) devices with large per-area capacitances by utilizing three-dimensional (3D) porous substrates. Carbon nanofibers (CNFs) functioning as active SC electrodes are grown on 3D nickel foam. The...
- Stimulated emission of near-infrared radiation by current injection into silicon (100) quantum well
[作者:Saito, S; Suwa, Y; Arimoto, H; Sakuma, N; Hisamoto, D; Uchiyama, H; Yamamoto, J; Sakamizu, T; Mine, T; Kimura, S; Sugawara, T; Aoki, M,期刊:Applied Physics Letters, 页码:241101-241101 , 文章类型: Article,,卷期:2009年95-24]
- We describe the observation of stimulated emissions by current injections into a silicon quantum well. The device consists of a free standing membrane with a distributed feedback resonant cavity fabricated by state-of-th...
- Fabrication of high efficiency III-V quantum nanostructures at low thermal budget on Si
[作者:Bietti, S; Somaschini, C; Sanguinetti, S; Koguchi, N; Isella, G; Chrastina, D,期刊:Applied Physics Letters, 页码:241102-241102 , 文章类型: Article,,卷期:2009年95-24]
- We fabricate high efficiency GaAs/AlGaAs quantum nanostructure active layer for intersubband detectors and light emitting devices on a silicon substrate. The whole process of formation of the GaAs/AlGaAs active layer was...
- Thermal emission from finite photonic crystals
[作者:Schuler, CJ; Wolff, C; Busch, K; Florescu, M,期刊:Applied Physics Letters, 页码:241103-241103 , 文章类型: Article,,卷期:2009年95-24]
- We present a microscopic theory of thermal emission from finite-sized photonic crystals and show that the directional spectral emissivity and related quantities can be evaluated via standard bandstructure computations wi...
- Spin-dependent photoconductivity in nonmagnetic semiconductors at room temperature
[作者:Zhao, F; Balocchi, A; Kunold, A; Carrey, J; Carrere, H; Amand, T; Ben Abdallah, N; Harmand, JC; Marie, X,期刊:Applied Physics Letters, 页码:241104-241104 , 文章类型: Article,,卷期:2009年95-24]
- By combining optical spin injection techniques with transport spectroscopy tools, we demonstrate a spin-photodetector allowing for the electrical measurement and active filtering of conduction band electron spin at room ...
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