Esr studies on the role of ammonia in promoting radical species in precipitated titanium dioxide

1971 ◽  
Vol 35 (3) ◽  
pp. 424-433 ◽  
Author(s):  
R.D Iyengar ◽  
Richard Kellerman
2013 ◽  
Vol 8 (4) ◽  
pp. 447-454 ◽  
Author(s):  
Hong Kan ◽  
Zhongxin Wu ◽  
Yen-Chang Lin ◽  
Teh-Hsun Chen ◽  
Jared L Cumpston ◽  
...  

2002 ◽  
Vol 751 ◽  
Author(s):  
Qinglei Wang ◽  
Guoda D. Lian ◽  
Elizabeth C. Dickey

ABSTRACTSolute segregation to grain boundaries is a fundamental phenomenon in polycrystalline metal-oxide electroceramics that has enormous implications for the macroscopic dielectric behavior of the materials. This paper presents a systematic study of solute segregation in a model dielectric, titanium dioxide. We investigate the relative role of the electrostatic versus strain energy driving forces for segregation by studying yttrium-doped specimens. Through analytical transmission electron microscopy studies, we quantitatively determine the segregation behavior of the material. The measured Gibbsian interfacial excesses are compared to thermodynamic predictions.


2020 ◽  
Vol 12 (29) ◽  
pp. 32446-32460 ◽  
Author(s):  
Elisa Parra-Ortiz ◽  
Sara Malekkhaiat Häffner ◽  
Thomas Saerbeck ◽  
Maximilian W. A. Skoda ◽  
Kathryn L. Browning ◽  
...  

2014 ◽  
Vol 33 (5) ◽  
pp. 1023-1029 ◽  
Author(s):  
Huanhua Wang ◽  
Robert M. Burgess ◽  
Mark G. Cantwell ◽  
Lisa M. Portis ◽  
Monique M. Perron ◽  
...  

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