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author:

Yan, Jiajia (Yan, Jiajia.) [1] | Zhao, Tongyao (Zhao, Tongyao.) [2] | Shi, Nian (Shi, Nian.) [3] | Zhan, Hongbing (Zhan, Hongbing.) [4] (Scholars:詹红兵) | Ren, Jinjun (Ren, Jinjun.) [5] | Zhang, Yanfei (Zhang, Yanfei.) [6] | Yue, Yuanzheng (Yue, Yuanzheng.) [7]

Indexed by:

EI Scopus SCIE

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.

Keyword:

Crystallization Heat treatment Nano-silicon Silicon-glass interaction Structural change

Community:

  • [ 1 ] [Yan, Jiajia]Aalborg Univ, Dept Chem & Biosci, Fredr Bajers Vej 7H, DK-9220 Aalborg, Denmark
  • [ 2 ] [Yue, Yuanzheng]Aalborg Univ, Dept Chem & Biosci, Fredr Bajers Vej 7H, DK-9220 Aalborg, Denmark
  • [ 3 ] [Zhao, Tongyao]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
  • [ 4 ] [Shi, Nian]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
  • [ 5 ] [Ren, Jinjun]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
  • [ 6 ] [Zhan, Hongbing]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 7 ] [Zhang, Yanfei]Qilu Univ Technol, Shandong Acad Sci, Sch Mat Sci & Engn, Jinan 250353, Peoples R China

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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 Discipline: PHYSICS;

ESI HC Threshold:55

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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