کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1592708 | 1002671 | 2012 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Chemical trend of superconducting transition temperature in hole-doped delafossite of CuAlO2, AgAlO2 and AuAlO2
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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: Chemical trend of superconducting transition temperature in hole-doped delafossite of CuAlO2, AgAlO2 and AuAlO2 Chemical trend of superconducting transition temperature in hole-doped delafossite of CuAlO2, AgAlO2 and AuAlO2](/preview/png/1592708.png)
چکیده انگلیسی
We have performed the first-principles calculations about the superconducting transition temperature TcTc of hole-doped delafossite CuAlO2, AgAlO2 and AuAlO2. Calculated TcTc are about 50 K (CuAlO2), 40 K (AgAlO2) and 3 K(AuAlO2) at maximum in the optimum hole-doping concentration. The low TcTc of AuAlO2 is attributed to the weak electron–phonon interaction caused by the low covalency and heavy atomic mass.
► Calculations about superconducting critical temperature of hole-doped delafossite.
► Calculated TcTc are about 50 K (CuAlO2), 40 K (AgAlO2) and 3 K (AuAlO2) at maximum.
► The difference in TcTc is attributed to not only atomic mass but also covalency.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Communications - Volume 152, Issue 23, December 2012, Pages 2078–2081
Journal: Solid State Communications - Volume 152, Issue 23, December 2012, Pages 2078–2081
نویسندگان
Akitaka Nakanishi, Hiroshi Katayama-Yoshida,