تقرير
Specific heat study of Ga1-xMnxAs
| العنوان: | Specific heat study of Ga1-xMnxAs |
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| المؤلفون: | Yuldashev, Sh. U., Igamberdiev, Kh. T., Lee, Sejoon, Kwon, Y. H., Kang, T. W., Kim, Yongmin, Im, Hyunsik, Shashkov, A. G. |
| سنة النشر: | 2010 |
| المجموعة: | Condensed Matter |
| مصطلحات موضوعية: | Condensed Matter - Materials Science |
| الوصف: | Specific heat measurements were used to study the magnetic phase transition in Ga1-xMnxAs. Two different types of Ga1-xMnxAs samples have been investigated. The sample with a Mn concentration of 1.6% shows insulating behavior, and the sample with a Mn concentration of 2.6% is metallic. The temperature dependence of the specific heat for both samples reveals a pronounced lambda-shaped peak near the Curie temperature, which indicates a second-order phase transition in these samples. The critical behavior of the specific heat for Ga1-xMnxAs samples is consistent with the mean-field behavior with Gaussian fluctuations of the magnetization in the close vicinity of TC. Comment: 12 pages, 5 figures |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1143/APEX.3.073005 |
| الوصول الحر: | http://arxiv.org/abs/1006.1023Test |
| رقم الانضمام: | edsarx.1006.1023 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1143/APEX.3.073005 |
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