کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5496291 | 1399841 | 2017 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Enhanced negative thermal expansion and optical absorption of In0.6(HfMg)0.7Mo3O12 with oxygen vacancies
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک و نجوم (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A negative thermal expansion (NTE) material In0.6(HfMg)0.7Mo3O12 with oxygen vacancies was successfully synthesized through He atmosphere annealing. It was found that the introduction of oxygen vacancies enhanced the coefficient of NTE by about an order of magnitude larger. It can be attributed to the increased flexibility of the polyhedra in the framework structure. The introduction of oxygen vacancies also weakened the MO bonds and obviously enhanced the optical absorption in the visible light region. This work provides a promising strategy to effectively improve the NTE and optical properties of traditional NTE materials by introducing oxygen vacancies.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters A - Volume 381, Issue 27, 19 July 2017, Pages 2195-2199
Journal: Physics Letters A - Volume 381, Issue 27, 19 July 2017, Pages 2195-2199
نویسندگان
Yongguang Cheng, Yanchao Mao, Baohe Yuan, Xianghong Ge, Juan Guo, Mingju Chao, Erjun Liang,