fitful
发表于 2025-3-21 19:41:24
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催眠药
发表于 2025-3-22 00:19:12
https://doi.org/10.1007/978-3-662-40377-8 type. While at high temperatures thermionic emission over barriers and phonon assisted tunneling may be dominant, at low temperatures carriers must tunnel through the barriers. The tunneling transport rates vary greatly with the carrier effective mass and thus very different mobilities are observed
Peak-Bone-Mass
发表于 2025-3-22 02:43:20
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milligram
发表于 2025-3-22 04:44:20
,Thoraxuntersuchung in Rückenlage (E/III),for lateral dimensions of less than 0.1 µm. This is still about a factor of four larger than the dimension needed to reach the regime of two-dimensional quantization. An added consideration is the condition of the surface, which has a large effect on the electrical and optical properties of small st
SCORE
发表于 2025-3-22 09:12:36
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BACLE
发表于 2025-3-22 16:53:24
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BACLE
发表于 2025-3-22 19:54:56
Optoelectronic Devices,today: zero dispersion at λ = 1.3 µm and minimum loss at λ = 1.55 µm . Finally, even the very early lasers fabricated from GaInAs/InP turned out to be very reliable . By 1979 their reliability matched that of the much older and then more established GaAs/AlGaAs lasers . Today,
浓缩
发表于 2025-3-22 22:40:58
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CHOKE
发表于 2025-3-23 04:59:44
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alabaster
发表于 2025-3-23 07:24:34
Optical Properties of Quantum Wells,e discussion of the optical properties of Ga.In.As.P. quantum wells we shall rely primarily on the results obtained on the structures grown by HSMBE with which we are most familiar. However, notable examples of the work carried out on structures grown by MOMBE and MOCVD will also be discussed.