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18 December 2019 Study on the glassy and conductive properties of SiO2-B2O3-P2O5-Al2O3-MxOy system
Hui Liu, Tiezhu Bo, Yong Sun, Xian Zhang, Lei Zhang, Hua Cai, Jiao Lian, Dongzhan Zhou, Yu Shi, You Zhou, Chang Liu, Chen Wang, Qing Li, Jiawen Zhang, Shulin Liu, Baojun Yan
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Proceedings Volume 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications; 113340U (2019) https://doi.org/10.1117/12.2544280
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China
Abstract
The resistive plate chamber (RPC) is a gaseous parallel-plate detector, the glass resistive plate is the key element of RPC. In order to meet the requirement of high flux particle detection, it is urgent to develop low resistivity electroconductive glass. For this purpose, we designed the glass of SiO2-B2O3-P2O5-Al2O3-MxOysystem, the MxOy was chosen as Fe2O3, V2O5 and MnO2. In this paper, the formation abilities and conductive properties of glass were studied by adjusting the contents of the glass forming body and MxOy. The results showed that P2O5-Al2O3and P2O5-B2O3 built a quasi-[SiO4] tetrahedron structure as the glass forming body, the SiO2strengthened the network, which greatly improved the stability of the glass. Meanwhile, the addition of B2O3 and P2O5 could enhance the doping ability of MxOy in the whole glass system, which was benefit to reduce the resistivity of glass. Three transition metal oxides were added to the same base glass, and their resistivity was in order: ρFe＜ρV＜ρMn. The relationships between the oxidation-reduction atmosphere of glass melting and the resistivity of glass were investigated. The conductivity types was confirmed to be electronic conductive by testing the Seebeck coefficient and Hall effect of glass. The resistivity of the developed SiO2- B2O3-P2O5-Al2O3-Fe2O3 electronic conductive glass system was reached to1010Ω·cmlevel.
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Hui Liu, Tiezhu Bo, Yong Sun, Xian Zhang, Lei Zhang, Hua Cai, Jiao Lian, Dongzhan Zhou, Yu Shi, You Zhou, Chang Liu, Chen Wang, Qing Li, Jiawen Zhang, Shulin Liu, and Baojun Yan "Study on the glassy and conductive properties of SiO2-B2O3-P2O5-Al2O3-MxOy system", Proc. SPIE 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications, 113340U (18 December 2019); https://doi.org/10.1117/12.2544280
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KEYWORDS
Glasses
Oxides
Aluminum
Iron
Transition metals
Crystals
Ions
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