کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1504834 | 1511008 | 2012 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Neutron diffraction and observation of superconductivity for tungsten borides, WB and W2B4
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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: Neutron diffraction and observation of superconductivity for tungsten borides, WB and W2B4 Neutron diffraction and observation of superconductivity for tungsten borides, WB and W2B4](/preview/png/1504834.png)
چکیده انگلیسی
Tungsten borides are known to be very hard and metallic materials. Tungsten monoboride, WB, becomes superconducting at Tc = 4.3 K in the tetragonal modification and Tc = 2.8 K in the orthorhombic modification. The structures of the two WB modifications were revised based on X-ray and neutron powder diffraction. W2B4, formerly known as W2B5, also shows a superconducting transition at 5.4 K, which is suppressed for small grain samples.
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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Sciences - Volume 14, Issues 11–12, November 2012, Pages 1656–1659
Journal: Solid State Sciences - Volume 14, Issues 11–12, November 2012, Pages 1656–1659
نویسندگان
Mehmet Kayhan, Erwin Hildebrandt, Michael Frotscher, Anatoliy Senyshyn, Kathrin Hofmann, Lambert Alff, Barbara Albert,