کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1596967 | 1002878 | 2007 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
From semiclassical transport to quantum Hall effect under low-field Landau quantization
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: From semiclassical transport to quantum Hall effect under low-field Landau quantization From semiclassical transport to quantum Hall effect under low-field Landau quantization](/preview/png/1596967.png)
چکیده انگلیسی
The crossover from the semiclassical transport to the quantum Hall effect is studied by examining a two-dimensional electron system in an AlGaAs/GaAs heterostructure. By probing the magneto-oscillations, it is shown that the semiclassical Shubnikov–de Haas (SdH) formulation can be valid even when the minima of the longitudinal resistivity approach zero. The extension of the applicable range of the SdH theory could be due to the damping effects resulting from disorder and temperature. Moreover, we observed plateau–plateau transition-like behavior with such an extension. From our study, it is important to include positive magnetoresistance to refine the SdH theory.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Communications - Volume 141, Issue 1, January 2007, Pages 17–21
Journal: Solid State Communications - Volume 141, Issue 1, January 2007, Pages 17–21
نویسندگان
D.R. Hang, C.F. Huang, Y.W. Zhang, H.D. Yeh, J.C. Hsiao, H.L. Pang,