کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10637056 | 993844 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
On the mechanism of the pressure-induced wurtzite- to NaCl-type phase transition in CdS: an X-ray diffraction study
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The high-pressure behavior of wurtzite-type CdS up to the transition pressure of about 2.5 GPa was studied using single-crystal X-ray diffraction techniques. The fit of the Birch-Murnaghan equation of state gave a bulk modulus K=62.8(8)GPa with a fixed pressure derivative Kâ²=4. During the phase transformation the single crystals were destroyed but the obtained material showed a pronounced preferred orientation. Therefore, orientation relations between the low-pressure wurtzite-type phase and the high-pressure NaCl-type phase could be determined. Apart from slight tilts with unknown origin between the unit cells of both structures, the observations support the usual transition mechanism.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Sciences - Volume 7, Issue 1, January 2005, Pages 73-78
Journal: Solid State Sciences - Volume 7, Issue 1, January 2005, Pages 73-78
نویسندگان
Heidrun Sowa,