Manifestation of the structural stability of Mg-doped Zn4Sb3 via atomic fine structure investigation
Wang, Y; Feng, SL; Shen, KC; Sun, HL; Yang, YG; Ji, GW; Li, J; Jiang, Z; Song, F
2017
发表期刊SOLID STATE COMMUNICATIONS
ISSN0038-1098
卷号261期号:-页码:26-31
文章类型期刊论文
摘要The structural stability is crucially important for thermoelectric material from the point view of energy harvesting applications. Herein, p-type Zn-Sb semiconductor doped with magnesium (Mg0.04Zn3.96Sb3) was experimentally investigated after thermal cycles to verify its structure stability, via a combination of synchrotron-based X-ray absorption spectroscopy (XAFS), grazing-incidence X-ray diffraction (GI-XRD), scanning electron microscopy (SEM), and energy dispersive spectrometer (EDS). While no visible structure change was discovered from XRD measurement after annealed to 573 K in air, well-preserved atomic structure of Mg-doped Zn-Sb was also demonstrated by XAFS. Interestingly, SEM indicated significantly improved surface morphology whilst EDS clearly showed the relative steadiness of each element's spatial distribution on surface. On basis of these findings, it was concluded in the end that the doping of magnesium substantially improves the thermal stability of zinc-antimonite compounds, and the possible mechanism underneath was also demonstrated.
关键词Antimonide Thin-films Thermoelectric Properties Thermal-stability Phase-transitions Phonon-glass Beta-zn4sb3 Performance Zinc Ifeffit
DOI10.1016/j.ssc.2017.05.024
关键词[WOS]ANTIMONIDE THIN-FILMS ; THERMOELECTRIC PROPERTIES ; THERMAL-STABILITY ; PHASE-TRANSITIONS ; PHONON-GLASS ; BETA-ZN4SB3 ; PERFORMANCE ; ZINC ; IFEFFIT
收录类别SCI
语种英语
WOS记录号WOS:000405690400006
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28724
专题中科院上海应用物理研究所2011-2018年
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Wang, Y,Feng, SL,Shen, KC,et al. Manifestation of the structural stability of Mg-doped Zn4Sb3 via atomic fine structure investigation[J]. SOLID STATE COMMUNICATIONS,2017,261(-):26-31.
APA Wang, Y.,Feng, SL.,Shen, KC.,Sun, HL.,Yang, YG.,...&Song, F.(2017).Manifestation of the structural stability of Mg-doped Zn4Sb3 via atomic fine structure investigation.SOLID STATE COMMUNICATIONS,261(-),26-31.
MLA Wang, Y,et al."Manifestation of the structural stability of Mg-doped Zn4Sb3 via atomic fine structure investigation".SOLID STATE COMMUNICATIONS 261.-(2017):26-31.
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