کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9841681 | 1525795 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Anomalous vortex dynamics in the low-temperature liquid phase of a thin a-MoxSi1âx film
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Anomalous vortex dynamics in the low-temperature liquid phase of a thin a-MoxSi1âx film Anomalous vortex dynamics in the low-temperature liquid phase of a thin a-MoxSi1âx film](/preview/png/9841681.png)
چکیده انگلیسی
We present measurements of the time(t)-dependent component of the flux-flow voltage δV(t) about the average voltage in the vortex-liquid phase of a thin amorphous MoxSi1âx film. At low temperatures T, δV(t) due to the vortex motion is clearly visible and the distribution of δV(t) is asymmetric, indicative of large velocity and/or number fluctuations of driven vortices. This result is very similar to that which has been observed in the quantum-liquid phase of a thick film. The anomalous vortex motion for the thick and thin films is found to occur in nearly the same reduced-temperature regime. Also, we find that for the thin film the anomalous motion is visible only in the high-field regime. We suggest that vortex dynamics in the low-T liquid phase of thin and thick films is dominated by common physical mechanisms related to quantum effects.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica C: Superconductivity - Volumes 426â431, Part 1, 1 October 2005, Pages 23-27
Journal: Physica C: Superconductivity - Volumes 426â431, Part 1, 1 October 2005, Pages 23-27
نویسندگان
S. Okuma, M. Kobayashi, K. Kainuma, M. Morita,