A new approach to grow the Heusler Ni-Mn-Sn unidirectional crystal

Document Type

Article

Publication Date

1-1-2014

Abstract

Growing the Heusler Ni-Mn-Sn unidirectional crystals is challenging. In the present work, a modified zone-melting method has been developed on the basis of traditional optical floating zone furnace, and high-quality Ni47Mn38Sn15unidirectional crystal has been produced in 0.8 MPa high-pressure atmosphere. Experimental results showed that the unidirectional crystal was ?{110} preferentially oriented and chemical compositions distributed almost homogenously. The modified high-pressure optical zone-melting technique opens interesting perspectives for fabrication of unidirectional materials containing high-manganese.

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