Design, synthesis and characterization of the advanced tritium breeder: Li sub(4+x)Si sub(1-x)Al sub(x)O sub(4) ceramics

Li sub(4+x)Si sub(1-x)Al sub(x)O sub(4) solid solutions which were designed as the advanced tritium breeder were obtained by solid state reactions. Samples were systematically characterized by various techniques. XRD, neutron diffraction and Raman results showed that the Aluminum substituted silicon...

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Veröffentlicht in:Journal of nuclear materials 2015-12, Vol.467 (Part 2), p.911-916
Hauptverfasser: Zhao, Linjie, Long, Xinggui, Chen, Xiaojun, Xiao, Chengjian, Gong, Yu, Guan, Qiushi, Li, Jiamao, Xie, Lei, Chen, Xiping, Peng, Shuming
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container_end_page 916
container_issue Part 2
container_start_page 911
container_title Journal of nuclear materials
container_volume 467
creator Zhao, Linjie
Long, Xinggui
Chen, Xiaojun
Xiao, Chengjian
Gong, Yu
Guan, Qiushi
Li, Jiamao
Xie, Lei
Chen, Xiping
Peng, Shuming
description Li sub(4+x)Si sub(1-x)Al sub(x)O sub(4) solid solutions which were designed as the advanced tritium breeder were obtained by solid state reactions. Samples were systematically characterized by various techniques. XRD, neutron diffraction and Raman results showed that the Aluminum substituted silicon into the Li sub(4)SiO sub(4) lattice and Li super(+) interstitials formed as a result of charge compensation. Rietveld refinements of neutron diffraction showed that the crystalline structure had been expanded as Al-doped. Moreover, the lithium atom density, thermal conductivity and the mechanical property of the Li sub(4+x)Si sub(1-x)Al sub(x)O sub(4) ceramics were improved relative to the Li sub(4)SiO sub(4).
doi_str_mv 10.1016/j.jnucmat.2015.10.010
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source ScienceDirect Journals (5 years ago - present)
subjects Aluminum
Breeder reactors
Ceramics
Compensation
Lithium
Neutron diffraction
Thermal conductivity
Tritium
title Design, synthesis and characterization of the advanced tritium breeder: Li sub(4+x)Si sub(1-x)Al sub(x)O sub(4) ceramics
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