The Effect of Precipitate Agent in Co-Precipitation Synthesis Y3Al5O12 and Y3Fe5O12 Powders

2013 ◽  
Vol 750-752 ◽  
pp. 479-483
Author(s):  
Min Zeng ◽  
Yun Hong Wang
Keyword(s):  
Phase Formation ◽  
Formation Process ◽  
Raw Materials ◽  
Precipitation Technique ◽  
Pure Phase ◽  
Precipitation Synthesis ◽  
Co Precipitation ◽  
Phase Formation Process

The YAG and YIG powders have been prepared by co-precipitation technique in which NH4HCO3 or (NH4)2CO3 is used as a precipitant and Y(NO3)3·6H2O, Al (NO3)3·9H2O and Fe (NO3)3·9H2O as raw materials. The composition, the phase formation process and the properties of the YAG and YIG powders were investigated by means of XRD, SEM, TEM and EDS. The results indicated that the precipitant effects the preparation of pure-phase powders. The resultant YAG and YIG powders showed good dispersity and excellent sinterability using AHC as precipitant.

Synthesis of Y3Al5-xFexO12 Nanopowder by the Co-Precipitation Method: Influence of Precipitate Agent

2013 ◽  
Vol 341-342 ◽  
pp. 114-118
Author(s):  
Min Zeng ◽  
Yun Hong Wang
Keyword(s):  
Phase Formation ◽  
Formation Process ◽  
Raw Materials ◽  
Precipitation Method ◽  
Precipitation Technique ◽  
Pure Phase ◽  
Co Precipitation ◽  
Carbonate Precursor ◽  
Phase Formation Process

The Y3Al5-xFexO12 (0x5, YAIG) powders have been prepared by co-precipitation technique in which NH4HCO3 or (NH4)2CO3 is used as a precipitant and Y(NO3)3·6H2O, Al (NO3)3·9H2O and Fe (NO3)3·9H2O as raw materials. The composition of YAIG precursor, the phase formation process of YAIG and the properties of the powders were investigated by means of XRD, SEM, TEM and EDS. The results indicated that the precipitant effects the preparation of pure-phase YAIG powders. AC as precipitant could produce a hydroxide precursor, which transformed to a mixture. AHC as precipitant could produce a loosely agglomerated carbonate precursor. The resultant YAIG powders showed good dispersity and excellent sinterability.

Synthesis of ZnWO4 by the polymerizable complex method: evidence of amorphous phase coexistence during the phase formation process

2021 ◽  
Author(s):  
Magda S.S. Gondim ◽  
Eliezer C. Silva ◽  
Ananias L. dos Santos ◽  
Marcelo de Assis ◽  
José M.R. Mercury ◽  
...  
Keyword(s):  
Amorphous Phase ◽  
Phase Formation ◽  
Formation Process ◽  
Phase Coexistence ◽  
Complex Method ◽  
Method Evidence ◽  
Phase Formation Process

Bi-2212 Phase Formation Process in Multifilamentary Bi-2212/Ag Wires and Tapes

2005 ◽  
Vol 15 (2) ◽  
pp. 2538-2541 ◽  
Author(s):  
T. Koizumi ◽  
T. Hasegawa ◽  
J. Nishioka ◽  
Y. Hikichi ◽  
T. Nakatsu ◽  
...  
Keyword(s):  
Phase Formation ◽  
Formation Process ◽  
Phase Formation Process

Facilely synthesized Li4MoO5: Understanding phase formation process and exploring lithium storage performance

2020 ◽  
Vol 348 ◽  
pp. 136309
Author(s):  
Ke Zhang ◽  
Quan Kuang ◽  
Xinxuan Zeng ◽  
Ni Wen ◽  
Zhiyong Zhou ◽  
...  
Keyword(s):  
Phase Formation ◽  
Formation Process ◽  
Lithium Storage ◽  
Storage Performance ◽  
Phase Formation Process
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