ORCID Profile
0000-0002-4315-4494
Current Organisation
The University of Auckland
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Publisher: American Chemical Society (ACS)
Date: 10-01-2022
DOI: 10.1021/ACS.INORGCHEM.1C03470
Abstract: Rb
Publisher: Elsevier BV
Date: 05-2022
Publisher: Elsevier BV
Date: 03-2014
Publisher: Wiley
Date: 06-03-2017
Publisher: American Chemical Society (ACS)
Date: 28-08-2014
DOI: 10.1021/CG500841X
Publisher: Elsevier BV
Date: 04-2023
Publisher: American Chemical Society (ACS)
Date: 14-08-2013
DOI: 10.1021/CG400835N
Publisher: Wiley
Date: 28-02-2017
Abstract: Aluminum-nitrogen six-fold octahedral coordination, [AlN
Publisher: Wiley
Date: 28-02-2017
Publisher: Royal Society of Chemistry (RSC)
Date: 2013
DOI: 10.1039/C3CE41184B
Publisher: Wiley
Date: 06-03-2017
Publisher: Springer Science and Business Media LLC
Date: 17-03-2015
DOI: 10.1038/SREP09159
Abstract: X-ray diffraction technique using a laboratory radiation has generally shown limitation in detectability. In this work, we investigated the in situ high-temperature crystallization of a lithium disilicate glass-ceramic in the SiO 2 –Li 2 O–CaO–P 2 O 5 –ZrO 2 system with the aid of synchrotron radiation. The formation of lithium metasilicate and other intermediate phases in trace amount was successfully observed by synchrotron X-ray diffraction (SXRD). The crystallization mechanism in this glass was thus intrinsically revised to be the co-nucleation of lithium metasilicate and disilicate, instead of the nucleation of lithium disilicate only. The phase content, crystallite size and crystallographic evolutions of Li 2 Si 2 O 5 in the glass-ceramic as a function of annealing temperature were studied by performing Rietveld refinements. It is found that the growth of Li 2 Si 2 O 5 is constrained by Li 2 SiO 3 phase at 580–700°C. The relationship between the crystallographic evolution and phase transition was discussed, suggesting a common phenomenon of structural response of Li 2 Si 2 O 5 along its c axis to other silicon-related phases during glass crystallization.
Publisher: Elsevier BV
Date: 2018
Publisher: Springer Science and Business Media LLC
Date: 24-07-2013
Publisher: American Chemical Society (ACS)
Date: 22-11-2013
DOI: 10.1021/IC402112Z
Abstract: In this work, the high-temperature crystallographic evolution of crystalline phases in a complex lithium disilicate glass was investigated using synchrotron X-ray powder diffraction. The lattice parameters and unit cell volume of Li2SiO3 (LS), Li2Si2O5 (LS2), Li3PO4 (LP), and ZrO2 as a function of temperature were determined upon heating. It is found that the lattice parameter c of LS2 shows a "V"-shaped trend during heating. The crystallographic evolution of the LS2 phase has a close correlation with the LS phase, indicating the mutual interaction between LS and LS2 phases along the c axis during the nucleation/crystallization process. The phase evolution processes were different upon heating and cooling, and the unit cell volume of both LS and LP phases demonstrated different change rates. In this glass system, no LS2 was detected during cooling and the main phases formed during cooling process were LP, LS, β-cristobalite, and β-quartz. Interestingly, there were two forms of β-quartz with slightly different lattice constants, and the silica phases showed a near-zero expansion behavior. The crystallographic evolution mechanism is discussed.
Publisher: Royal Society of Chemistry (RSC)
Date: 2023
DOI: 10.1039/D3QI00180F
Abstract: The aliovalent doping of Ce 3+ /K + in α′-Sr 2 SiO 4 leads to a thermally enhanced phosphor with bright blue emission, and electron traps modulated by defect engineering contribute to an abnormal thermal quenching phenomenon.
Publisher: Springer Science and Business Media LLC
Date: 06-03-2015
No related grants have been discovered for Saifang Huang.