Journal of Inorganic Materials, Volume. 37, Issue 8, 903(2022)

Preparation and Properties of BaTiO3 Ceramics by Low Temperature Cold Sintering

Tingting WEI... Huarui XU*, Guisheng ZHU, Shenfeng LONG, Xiuyun ZHANG, Yunyun ZHAO, Xupeng JIANG, Jinjie SONG, Ningjie GUO and Yipeng GONG |Show fewer author(s)
Author Affiliations
  • Engineering Research Center of Electronic and Information Materials and Devices, Ministry of Education; Guangxi Key Laboratory of Information Materials; College of Materials Science and Engineering, Guilin University of Electronic Science and Technology, Guilin 541004, China
  • show less
    Figures & Tables(12)
    XRD patterns of A1 and A2 powders
    PSD curves of powders (a)A1 and (b)A2
    SEM and TEM images of powders (a-c)A1 and (d-f)A2
    Ba3d orbital photoelectron spectra of powders (a) A1 and (b) A2
    XRD patterns of BaTiO3 ceramics
    Section SEM images of BaTiO3 ceramics
    Dielectric temperature spectra of ceramics
    Densification process of cold sintering of BaTiO3
    • Table 1. Size distribution of powders

      View table
      View in Article

      Table 1. Size distribution of powders

      PowderD10/nm D50/nm D90/nm
      A174103124
      A276107129
    • Table 2. Relative atomic ratio of A1 and A2 powder surfaces

      View table
      View in Article

      Table 2. Relative atomic ratio of A1 and A2 powder surfaces

      PowderBaTiOCBa/Ti
      A110.8810.8139.8138.451.0075
      A27.5213.4739.1439.870.5583
    • Table 3. Relative density and dielectric properties of ceramics

      View table
      View in Article

      Table 3. Relative density and dielectric properties of ceramics

      ProcessRelative density εr (1 kHz) εr@Tc (1 kHz) Tc (1 kHz) tanδ
      A2-CPS 92.73%9301413128 ℃0.08
      A1-CPS-CS 95.78%27685813124 ℃0.06
      A2-CPS-CS 96.62%28367274123 ℃0.03
    • Table 4. Summary of cold sintering of BaTiO3 ceramics

      View table
      View in Article

      Table 4. Summary of cold sintering of BaTiO3 ceramics

      ProcessFlux (in mass)Temperature/PressureTime/hDensity/%εr(1 kHz) tanδ (1 kHz) Heat treatmentRef.
      CSP-CSBa(OH)2/TiO2soultion 180 ℃/430 MPa1-3 h9517600.04700-900 ℃/3 h[11]
      CSPNaOH-KOH300 ℃/520 MPa12 h9818000.04-[15]
      Surface coating/CSP-CSH2O, Ba(OH)2solution 220 ℃/500 MPa1 h9715500.02700-900 ℃/3 h[10]
      1 mol/L acetic acid/powder-CSP 20% Ba(OH)2∙8H2O 225 ℃/350 MPa1 h9514400.09-[16]
      1 mol/L acetic acid/powder-CSP 11% Sr(OH)2∙8H2O 275 ℃/350 MPa1 h9215000.08-[21]
      0.1 mol/L acetic acid/powder-CSP 10% Ba(OH)2∙8H2O 400 ℃/350 MPa1 h9628300.03600 ℃/0.5 hThiswork
    Tools

    Get Citation

    Copy Citation Text

    Tingting WEI, Huarui XU, Guisheng ZHU, Shenfeng LONG, Xiuyun ZHANG, Yunyun ZHAO, Xupeng JIANG, Jinjie SONG, Ningjie GUO, Yipeng GONG. Preparation and Properties of BaTiO3 Ceramics by Low Temperature Cold Sintering [J]. Journal of Inorganic Materials, 2022, 37(8): 903

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: RESEARCH ARTICLE

    Received: Mar. 4, 2022

    Accepted: --

    Published Online: Jan. 10, 2023

    The Author Email: XU Huarui (huaruixu@guet.edu.cn)

    DOI:10.15541/jim20220115

    Topics