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author:

Yan, J. (Yan, J..) [1] | Zhao, T. (Zhao, T..) [2] | Shi, N. (Shi, N..) [3] | Zhan, H. (Zhan, H..) [4] | Ren, J. (Ren, J..) [5] | Zhang, Y. (Zhang, Y..) [6] | Yue, Y. (Yue, Y..) [7]

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Scopus

Abstract:

We studied the effect of silicon doping on the structure and crystallization behavior of 50V2O5-50TeO2 (mol%) (VT) glass by performing solid-state nuclear magnetic resonance (NMR), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and differential scanning calorimetry (DSC). We observed two interesting phenomena. First, when the mixture of glass and Si is heated in argon to 560 K (1.1Tg), Si starts to react with VT glass and is oxidized to amorphous silica, being confirmed by NMR and FTIR. Second, Si suppresses the formation of the Te2V2O9 phase in VT glass during heating process up to 650 K (about 1.3Tg), whereas it leads to the formation of the new crystalline phase TeVO4 during heating to 725 K (1.4Tg). We discuss the origin of these two phenomena by considering the changes both in glass structure and in the redox reaction. © 2022

Keyword:

Crystallization; Heat treatment; Nano-silicon; Silicon-glass interaction; Structural change; V2O5-TeO2 glass

Community:

  • [ 1 ] [Yan, J.]Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, DK-9220, Denmark
  • [ 2 ] [Zhao, T.]Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China
  • [ 3 ] [Shi, N.]Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China
  • [ 4 ] [Zhan, H.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Ren, J.]Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China
  • [ 6 ] [Zhang, Y.]School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China
  • [ 7 ] [Yue, Y.]Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, DK-9220, Denmark

Reprint 's Address:

  • [Yue, Y.]Department of Chemistry and Bioscience, Fredrik Bajers Vej 7H, Denmark; ; School of Materials Science and Engineering, China; 电子邮件: zhang-yanfei@hotmail.com

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Source :

Journal of Non-Crystalline Solids

ISSN: 0022-3093

Year: 2022

Volume: 589

3 . 5

JCR@2022

3 . 2 0 0

JCR@2023

ESI HC Threshold:55

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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