high temperature annealing
Recently Published Documents


TOTAL DOCUMENTS

1083
(FIVE YEARS 188)

H-INDEX

42
(FIVE YEARS 7)

Author(s):  
I.V. Roslyakov ◽  
N.A. Shirin ◽  
P.V. Evdokimov ◽  
M.V. Berekchiian ◽  
N.P. Simonenko ◽  
...  

Author(s):  
Xiang Hua ◽  
Theodor Axenie ◽  
Mateo Navarro Goldaraz ◽  
Kyungnam Kang ◽  
Eui-Hyeok Yang ◽  
...  

2021 ◽  
Vol 42 (12) ◽  
pp. 122804
Author(s):  
Shangfeng Liu ◽  
Ye Yuan ◽  
Shanshan Sheng ◽  
Tao Wang ◽  
Jin Zhang ◽  
...  

Abstract In this work, based on physical vapor deposition and high-temperature annealing (HTA), the 4-inch crack-free high-quality AlN template is initialized. Benefiting from the crystal recrystallization during the HTA process, the FWHMs of X-ray rocking curves for (002) and (102) planes are encouragingly decreased to 62 and 282 arcsec, respectively. On such an AlN template, an ultra-thin AlN with a thickness of ~700 nm grown by MOCVD shows good quality, thus avoiding the epitaxial lateral overgrowth (ELOG) process in which 3–4 μm AlN is essential to obtain the flat surface and high crystalline quality. The 4-inch scaled wafer provides an avenue to match UVC-LED with the fabrication process of traditional GaN-based blue LED, therefore significantly improving yields and decreasing cost.


Vacuum ◽  
2021 ◽  
pp. 110836
Author(s):  
Lingheng Xiong ◽  
Yan Liu ◽  
Zhaoyu He ◽  
Xingyu Shao ◽  
Dianqing Gong ◽  
...  

2021 ◽  
Vol 105 (1) ◽  
pp. 61-68
Author(s):  
Nataliya I. Globa ◽  
Yurii V. Shmatok ◽  
Tatyana V. Lisnycha ◽  
Sviatoslav A. Kirillov

The paper presents the results of studies of nanosized titanium dioxide (TiO2) samples synthesized by alkaline hydrolysis. The surface properties of the samples were modified using high-temperature annealing. As a result, samples with a specific surface area of 31-203 m2/g were obtained. The specific capacity of TiO2 in lithium and sodium cells was determined. It is noted that the nature of the curves obtained, the specific capacity and its stability during cycling depend on the nature of the alkali metal cation and the surface properties of TiO2.


2021 ◽  
Vol 130 (20) ◽  
pp. 203101
Author(s):  
Leonardo Cancellara ◽  
Toni Markurt ◽  
Tobias Schulz ◽  
Martin Albrecht ◽  
Sylvia Hagedorn ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document