Browsing by Author "Chen, Jing-Han"
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Chen, Jing-Han; Bruno, Nickolaus M.; Karaman, Ibrahim; Huang, Yujin; Li, Jianguo; Ross, Joseph H. Jr. (Journal of Applied Physics, 2014)The non-stoichiometric Heusler alloy Ni 50Mn36In14 undergoes a martensitic phase transformation in the vicinity of 345 K, with the high temperature austenite phase exhibiting paramagnetic rather than ferromagnetic behavior, ...
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Chen, Jing-Han; Bruno, Nickolaus M.; Karaman, Ibrahim; Li, Jianguo; Ross, Joseph H. Jr. (Elsevier, 2016)Off-stoichiometric alloys based on Ni2MnIn have drawn attention due to the coupled first order magnetic and structural transformations, and the large magnetocaloric entropy associated with the transformations. Here we ...
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Chen, Jing-Han; Sirusi Arvij, Ali; Zheng, Xiang; Rodriguez, Sergio Y.; Ross, Joseph H. Jr. (Elsevier, 2014)Ba8CuxGe46-x is a type-I clathrate material that forms as a semiconductor in a narrow composition range corresponding to the electron-balanced Zintl composition, with x = 5.3. We use NMR spectroscopy combined with ab initio ...
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Chen, Jing-Han (2015-08-11)The recent discovery of giant magnetocaloric effects (MCE) at around room temperature has triggered the possibility of the development of a magnetic refrigerator that operates at ambient temperature. One of the main ...