Effects of thermal annealing a glass surface in air

H. K. Jang, S. W. Whangbo, Y. K. Choi, KwangHo Jeong, C. N. Whang, C. H. Wang, Doo Jin Choi, S. Lee

Research output: Contribution to journalArticle

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Abstract

Glass slides were annealed at a temperature range of 300-600 °C for 30 min in air. We investigated the effects of thermal annealing treatments on the chemical composition, and surface roughness of the glass. Metallic sodium concentration at the glass surface was 2.2%, but sodium concentration at the annealed glass surface ranged from 4.3% to 5.5%. The sodium composition at the glass surface was greatly increased at an annealing temperature of 400 °C, but the sodium composition at the surface was gradually decreased at T a ≥500 °C. This phenomenon may be due to the volatility of the sodium atoms at the glass surface. However, carbon concentration at the glass surface was reduced from 49% at room temperature to 22% at annealing temperature (T a ) of 600 °C. Surface morphology of the glass was changed with annealing temperature. The root-mean-square surface roughness of the bare glass was 0.6 nm, but the roughness of the glass annealed at a temperature of 300, 400, 500, and 600 °C in air for 30 min was 1.0, 1.8, 2.0, 3.0 nm, respectively.

Original languageEnglish
Pages (from-to)182-187
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume296
Issue number3
DOIs
Publication statusPublished - 2001 Dec 1

Fingerprint

Annealing
Glass
annealing
glass
air
Air
Sodium
sodium
Surface roughness
Temperature
surface roughness
Chemical analysis
temperature
Hot Temperature
volatility
chutes
Surface morphology
chemical composition
roughness
Carbon

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Jang, H. K., Whangbo, S. W., Choi, Y. K., Jeong, K., Whang, C. N., Wang, C. H., ... Lee, S. (2001). Effects of thermal annealing a glass surface in air. Journal of Non-Crystalline Solids, 296(3), 182-187. https://doi.org/10.1016/S0022-3093(01)00869-9
Jang, H. K. ; Whangbo, S. W. ; Choi, Y. K. ; Jeong, KwangHo ; Whang, C. N. ; Wang, C. H. ; Choi, Doo Jin ; Lee, S. / Effects of thermal annealing a glass surface in air. In: Journal of Non-Crystalline Solids. 2001 ; Vol. 296, No. 3. pp. 182-187.
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Jang, HK, Whangbo, SW, Choi, YK, Jeong, K, Whang, CN, Wang, CH, Choi, DJ & Lee, S 2001, 'Effects of thermal annealing a glass surface in air', Journal of Non-Crystalline Solids, vol. 296, no. 3, pp. 182-187. https://doi.org/10.1016/S0022-3093(01)00869-9

Effects of thermal annealing a glass surface in air. / Jang, H. K.; Whangbo, S. W.; Choi, Y. K.; Jeong, KwangHo; Whang, C. N.; Wang, C. H.; Choi, Doo Jin; Lee, S.

In: Journal of Non-Crystalline Solids, Vol. 296, No. 3, 01.12.2001, p. 182-187.

Research output: Contribution to journalArticle

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AU - Choi, Y. K.

AU - Jeong, KwangHo

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AU - Wang, C. H.

AU - Choi, Doo Jin

AU - Lee, S.

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N2 - Glass slides were annealed at a temperature range of 300-600 °C for 30 min in air. We investigated the effects of thermal annealing treatments on the chemical composition, and surface roughness of the glass. Metallic sodium concentration at the glass surface was 2.2%, but sodium concentration at the annealed glass surface ranged from 4.3% to 5.5%. The sodium composition at the glass surface was greatly increased at an annealing temperature of 400 °C, but the sodium composition at the surface was gradually decreased at T a ≥500 °C. This phenomenon may be due to the volatility of the sodium atoms at the glass surface. However, carbon concentration at the glass surface was reduced from 49% at room temperature to 22% at annealing temperature (T a ) of 600 °C. Surface morphology of the glass was changed with annealing temperature. The root-mean-square surface roughness of the bare glass was 0.6 nm, but the roughness of the glass annealed at a temperature of 300, 400, 500, and 600 °C in air for 30 min was 1.0, 1.8, 2.0, 3.0 nm, respectively.

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