Structure stabilization effect of configuration entropy in cubic WN

Xing Wandong; Zhang Yang; Meng Fanyan; Wang Changchun; Tao Qiang; Zhu Pinwen; Zhu Jing; Yu Rong

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Structure stabilization effect of configuration entropy in cubic WN

机译：立方WN配置熵的结构稳定效应

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The microscopic structure of cubic WN has been studied combining scanning transmission electron microscopy and first-principles calculations. Because of the contribution of configurational entropy, NaCl-type WN with disordered vacancies becomes more stable at high temperatures than NbO-type WN. Moreover, electron beam irradiation can induce an order-disorder transition in cubic WN. It is suggested that the ordered NbO-type WN can be obtained after annealing below the transition temperature. The results shed light on the stability of materials synthesized at high pressures and high temperatures.

机译：研究了立方WN的微观结构，组合扫描透射电子显微镜和第一原理计算。由于配置熵的贡献，具有无序空位的NaCl型Wn在高温下变得比NbO型Wn更稳定。此外，电子束辐射可以在立方WN中诱导秩序紊乱转变。建议在低于转变温度之后可以获得有序的NBO型WN。结果阐明了在高压和高温下合成的材料的稳定性。

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来源
《Physical chemistry chemical physics: PCCP》 |2018年第46期|共6页
作者
Xing Wandong; Zhang Yang; Meng Fanyan; Wang Changchun; Tao Qiang; Zhu Pinwen; Zhu Jing; Yu Rong;
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作者单位

Tsinghua Univ Sch Mat Sci &

Engn Natl Ctr Electron Microscopy Beijing Key Lab Adv Mat Minist Educ China State Key Lab N Beijing 100084 Peoples R China;

Tsinghua Univ Sch Mat Sci &

Engn Natl Ctr Electron Microscopy Beijing Key Lab Adv Mat Minist Educ China State Key Lab N Beijing 100084 Peoples R China;

Univ Sci &

Technol Beijing Dept Phys Beijing Engn Res Ctr Detect &

Applicat Weak Magne Beijing 100083 Peoples R China;

Jilin Univ Coll Phys State Key Lab Superhard Mat Changchun 130012 Jilin Peoples R China;

Jilin Univ Coll Phys State Key Lab Superhard Mat Changchun 130012 Jilin Peoples R China;

Jilin Univ Coll Phys State Key Lab Superhard Mat Changchun 130012 Jilin Peoples R China;

Tsinghua Univ Sch Mat Sci &

Engn Natl Ctr Electron Microscopy Beijing Key Lab Adv Mat Minist Educ China State Key Lab N Beijing 100084 Peoples R China;

Tsinghua Univ Sch Mat Sci &

Engn Natl Ctr Electron Microscopy Beijing Key Lab Adv Mat Minist Educ China State Key Lab N Beijing 100084 Peoples R China;

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正文语种 eng
中图分类物理学;化学;
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专利

1. Structure stabilization effect of configuration entropy in cubic WN [J] . Xing Wandong, Zhang Yang, Meng Fanyan, Physical chemistry chemical physics: PCCP . 2018,第46期

机译：立方WN配置熵的结构稳定效应
2. Electronic structure of cubic tungsten subnitride W_2N in comparison to hexagonal and cubic tungsten mononitrides WN [J] . Suetin D.V., Shein I.R., Ivanovskii A.L. Journal of structural chemistry . 2010,第2期

机译：与六方和立方钨单氮化物WN相比，立方亚氮化钨W_2N的电子结构
3. Stabilization of cubic phase in AlTiN coatings using anode configurations [J] . Kumar Vineet, Penich Ron International Journal of Refractory Metals & Hard Materials . 2016,第Null期

机译：使用阳极配置稳定AlTiN涂层中的立方相
4. Configurational entropy stabilizes pattern formation in a hetero-associative neural network [C] . Maren, A.J., Schwartz, . 1992

机译：构型熵稳定异质联想神经网络中的模式形成
5. Microstructure and fracture toughness of Mn-stabilized cubic titanium trialuminide. [D] . Zbroniec, Leszek Ireneusz. 1999

机译：锰稳定的立方三嗪钛的显微组织和断裂韧性。
6. Crystal structures of the solvent-free and ethanol disolvate forms of 44′-(diazenediyl)bis(2356-tetrafluorobenzoic acid) exemplifying self-stabilized azobenzene cis-configurations [O] . Igor Elkin, Thierry Maris, Patrice Hildgen, 2018

机译：44-（二氮杂二基）双（2356-四氟苯甲酸）的无溶剂和乙醇二溶剂化物形式的晶体结构例证了自稳定的偶氮苯顺式构型
7. Role of configurational entropy in body-centred cubic or face-centred cubic phase formation in high entropy alloys [O] . Anand G., Goodall R., Freeman C.L. 2016

机译：构造熵在高熵合金中体心立方或面心立方相形成中的作用
8. EXAFS (Extended X-Ray Absorption Fine Structure) Study of Yttria Stabilized Cubic Zirconia [R] . Veal, B. W. , McKale, A. G. , Paulikas, A. P. , 1987

机译：Yadtria稳定立方氧化锆的EXaFs（扩展X射线吸收精细结构）研究

Structure stabilization effect of configuration entropy in cubic WN

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