کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1500958 | 993366 | 2008 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ab initio study of electronic and thermodynamic properties of NdNi4Mg and NdNi4MgH4
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Ab initio study of electronic and thermodynamic properties of NdNi4Mg and NdNi4MgH4 Ab initio study of electronic and thermodynamic properties of NdNi4Mg and NdNi4MgH4](/preview/png/1500958.png)
چکیده انگلیسی
The crystal and electronic structure and the thermodynamic properties of NdNi4Mg and its hydride NdNi4MgH4 have been investigated by means of first-principles calculations. The calculated structural parameters are found to be in very good agreement with experimental data. The total electronic density of states shows that NdNi4MgH4 is still metallic. Taking into account zero-point corrections, the obtained enthalpies of formation for NdNi4Mg and NdNi4MgH4 are −224 and −290 kJ mol−1, respectively. The reaction enthalpy for dehydrogenation of NdNi4MgH4 is only 33.0 kJ mol−1 H2, which proves theoretically that NdNi4MgH4 has a low dissociation temperature.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Scripta Materialia - Volume 59, Issue 2, July 2008, Pages 147–150
Journal: Scripta Materialia - Volume 59, Issue 2, July 2008, Pages 147–150
نویسندگان
Bi-Yu Tang, Xiao-Bing Xiao, Xiao-Qin Zeng, Wen-Jiang Ding, Wen Li,