Jun ware glazes: Chemistry, nanostructure and optical properties

A set of the Classic and official Jun ware shards found at various kilns at Yuzhou (Henan) are analyzed. The blue color and milky appearance of the glazes subject of intense debate as being due to either the glaze nanostructure or chemistry. The presence of submillimetre areas showing different colo...

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Bibliographic Details
Published inJournal of the European Ceramic Society Vol. 38; no. 12; pp. 4290 - 4302
Main Authors Hou, Jiayu, Pradell, Trinitat, Li, Yuan, Miao, Jianmin
Format Journal Article Publication
LanguageEnglish
Published Elsevier Ltd 01.09.2018
Elsevier
Subjects
Absorption
Ceramic materials
Color
Enginyeria dels materials
Glaze
Jun ware
Liquid immiscibility
Materials ceràmics
Nanostructure
Scattering
Àrees temàtiques de la UPC
Liquid immiscibility
Absorption
Jun ware
Scattering
Color
Nanostructure
Glaze
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Summary:A set of the Classic and official Jun ware shards found at various kilns at Yuzhou (Henan) are analyzed. The blue color and milky appearance of the glazes subject of intense debate as being due to either the glaze nanostructure or chemistry. The presence of submillimetre areas showing different color and opacity gives to the glazes a three dimensional cloudy sky appearance. Nanostructure and chemistry of the glazes, oxidation state of iron and nature of the copper nanoprecipitates are studied at a submillimetre level. Images of the glaze nanostructures are obtained using a Focus Ion Beam and Scanning Electron Microscope with nanometric resolution. The size and volume fraction of the nanostructures determined by image treatment are related to the chemical composition of the glazes. Differences between kiln productions are found and the origin of the color and opacity of the glazes discussed in terms of the chemistry and nanostructure.
ISSN:0955-2219
1873-619X
DOI:10.1016/j.jeurceramsoc.2018.05.010