Effect Of Lattice Contraction On Martensitic Transformation And Magnetocaloric Effect In Ge Doped Ni-mn-sn Alloys

Z.D. Han; D.H. Wang; C.L. Zhang; H.C. Xuan; J.R. Zhang; B.X. Gu; Y.W. Du

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Effect Of Lattice Contraction On Martensitic Transformation And Magnetocaloric Effect In Ge Doped Ni-mn-sn Alloys

机译：晶格收缩对掺Ge的Ni-mn-sn合金马氏体相变和磁热效应的影响

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The composition dependences of the structure, martensitic transformation and the magnetocaloric effect in Ni_(43)Mn_(4G)Sn_(11-x)Ge_x (x = 0,1, 2) ferromagnetic shape memory alloys are investigated. These samples all have L2_1 Heusler type structure at room temperature. With the increase of Ge content, the cell volume decreases, and the martensitic transformation temperatures increase rapidly. Large low-field magnetic entropy changes around the martensitic transformation temperatures are observed. Compared to the conventional way to control martensitic transformation temperatures by the adjustment of valence electron concentration, our results indicate that the adjustment of cell volume provides an alternative way to tailor the martensitic transformation and the magnetocaloric effect in ferromagnetic shape memory alloys.

机译：研究了Ni_（43）Mn_（4G）Sn_（11-x）Ge_x（x = 0,1，2）铁磁形状记忆合金的结构，马氏体相变和磁热效应的成分依赖性。这些样品在室温下均具有L2_1 Heusler型结构。随着Ge含量的增加，晶胞体积减小，马氏体转变温度迅速升高。在马氏体相变温度附近观察到大的低场磁熵变化。与通过调节价电子浓度来控制马氏体相变温度的常规方法相比，我们的结果表明，调节晶胞体积可提供一种替代方法，用于调整铁磁形状记忆合金中的马氏体相变和磁热效应。

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《Materials Science and Engineering》 |2009年第3期|40-43|共4页
作者
Z.D. Han; D.H. Wang; C.L. Zhang; H.C. Xuan; J.R. Zhang; B.X. Gu; Y.W. Du;
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正文语种 eng
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ferromagnetic shape memory alloys; martensitic transformation; magnetocaloric effect;

机译：铁磁形状记忆合金;马氏体相变;磁热效应;

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1. Hydrostatic pressure effects on martensitic transition, magnetic and magnetocaloric effect in Si doped Ni-Mn-Sn Heusler alloys [J] . S. Esakki Muthu, M. Kanagaraj, Sanjay Singh Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2014,第Null期

机译：Si掺杂Ni-Mn-Sn Heusler合金中马氏体过渡，磁性和磁热效应的静压压力影响
2. Influence of Doping Tb on the Mechanical Properties and Martensitic Transformation of Ni-Mn-Sn Magnetic Shape Memory Alloys [J] . Xiaohua Tian, Kun Zhang, Changlong Tan, Crystals . 2018,第6期

机译：掺杂Tb对Ni-Mn-Sn磁形记忆合金力学性能和马氏体变换的影响
3. Simultaneous tuning of martensitic transformation behavior, magnetic and mechanical properties in Ni-Mn-Sn magnetic alloy by Cu doping [J] . Zhang Kun, Tan Changlong, Guo Erjun, Journal of Materials Chemistry, C. materials for optical and electronic devices . 2018,第19期

机译：CU掺杂同时调谐马氏体转化行为，磁性和力学性能，CU掺杂
4. Martensitic Transformation in Novel Ferromagnetic Shape Memory Alloys Ni-Mn-Sn [C] . Vladimir KHOVAILO, Victor KOLEDOV, Vladimir SHAVROV, International Symposium on Interdisciplinary Electromagnetic, Mechanic Biomedical Problems . 2005

机译：新型铁磁形状记忆合金Ni-Mn-Sn的马氏体相变
5. Lattice Deformation and Elastic State Associated with F.C.C. to B.C.C. Martensitic Transformation in Iron Alloys [D] . 加藤雅治. -1

机译：与F.C.C.相关的晶格变形和弹性状态到卑诗省铁合金中的马氏体相变
6. Intermartensitic Transformation and Enhanced Exchange Bias in Pd (Pt) -doped Ni-Mn-Sn alloys [O] . S. Y. Dong, J. Y. Chen, Z. D. Han, -1

机译：Pd（Pt）掺杂的Ni-Mn-Sn合金的马氏体相变和增强的交换偏差
7. Martensitic transformation and magnetic properties of manganese-rich Ni-Mn-In and Ni-Mn-Sn Heusler alloys [O] . Krenke Thorsten 2007

机译：富锰Ni-mn-In和Ni-mn-sn Heusler合金的马氏体相变和磁性
8. Theory of the Energetics and Nonclassical Nucleation for Martensitic Transformations from Partially Soft Lattice Modes. [R] . Chan, S. K. 1989

机译：部分软点阵模式马氏体相变的能量学和非经典成核理论。

Effect Of Lattice Contraction On Martensitic Transformation And Magnetocaloric Effect In Ge Doped Ni-mn-sn Alloys

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