<trans-title xml:lang="en">Hydrothermal-sintering Preparation of Cr<sup>2+</sup>:ZnSe/ZnSe Nanotwins with Core-shell Structure </trans-title>

Tingting ZHANG; Fangyuan WANG; Changyou LIU; Guorong ZHANG; Jiahui LÜ; Yuchen SONG; Wanqi JIE

doi:10.15541/jim20230479

Journal of Inorganic Materials, Volume. 39, Issue 4, 409(2024)

Hydrothermal-sintering Preparation of Cr²⁺:ZnSe/ZnSe Nanotwins with Core-shell Structure

Tingting ZHANG... Fangyuan WANG, Changyou LIU*, Guorong ZHANG, Jiahui LÜ, Yuchen SONG and Wanqi JIE |Show fewer author(s)

Author Affiliations

State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China

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Figures & Tables(9)

1. XRD patterns of nanocrystalline samples

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2. Microscopic morphology (a) and grain size distribution (b) of 0.5%Cr²⁺:ZnSe/ZnSe sintered at 400 ℃

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3. HRTEM images of ZnSe/ZnSe sintered at 400 ℃

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4. HRTEM images of 0.3%Cr²⁺:ZnSe/ZnSe sintered at 400 ℃

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5. HRTEM image of 1.5%Cr²⁺:ZnSe sintered at 800 ℃

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$Electron diffraction patterns of 1.5%Cr2+:ZnSe sintered at 800 ℃$

6. Electron diffraction patterns of 1.5%Cr²⁺:ZnSe sintered at 800 ℃

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7. XPS fine spectra of 0.1%Cr²⁺:ZnSe/ZnSe samples

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8. Reflection spectra of 1.5%Cr²⁺:ZnSe nanotwins and Cr²⁺:ZnSe polycrystalline powders

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Table 1. Parameters of (111) crystal planes of samples sintered at different temperatures

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Table 1. Parameters of (111) crystal planes of samples sintered at different temperatures

Sample	T/℃	2θ/(°)	d/nm	FWHM/rad	D/nm
ZnSe	200	27.455	0.3246	0.761	10.8
ZnSe/ZnSe	400	27.472	0.3244	0.613	13.5
0.3%Cr²⁺:ZnSe/ZnSe	400	27.465	0.3245	0.557	14.9
0.5%Cr²⁺:ZnSe/ZnSe	400	27.451	0.3246	0.540	15.4
1.5%Cr²⁺:ZnSe	800	27.207	0.3275	0.537	15.5

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Tingting ZHANG, Fangyuan WANG, Changyou LIU, Guorong ZHANG, Jiahui LÜ, Yuchen SONG, Wanqi JIE. Hydrothermal-sintering Preparation of Cr²⁺:ZnSe/ZnSe Nanotwins with Core-shell Structure [J]. Journal of Inorganic Materials, 2024, 39(4): 409

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