scholarly journals Synthesis and post-annealing effects of alkaline-metal-ethylenediamine-intercalated superconductors A(C2H8N2) Fe2−Se2 (A= Li, Na) with Tc= 45 K

2014 ◽  
Vol 504 ◽  
pp. 8-11 ◽  
Author(s):  
Takashi Noji ◽  
Takehiro Hatakeda ◽  
Shohei Hosono ◽  
Takayuki Kawamata ◽  
Masatsune Kato ◽  
...  
2015 ◽  
Vol 11 (5) ◽  
pp. 862-870 ◽  
Author(s):  
Faiza Meriche ◽  
Tahar Touam ◽  
Azeddine Chelouche ◽  
Mohamed Dehimi ◽  
Jeanne Solard ◽  
...  

2022 ◽  
pp. 1-1
Author(s):  
Hee-Ryoung Cha ◽  
Ga-Yeong Kim ◽  
Tae-Hoon Kim ◽  
Sang-Hyub Lee ◽  
Dong-Hwan Kim ◽  
...  

2013 ◽  
Vol 734-737 ◽  
pp. 2492-2495
Author(s):  
Yong June Choi ◽  
Kyung Mun Kang ◽  
Hyung Ho Park

The post-annealing effects on the surface morphological changes of undoped and Al-doped ZnO (ZnO:Al) thin films deposited by atomic layer deposition (ALD) were investigated. The as-grown films were deposited by ALD at growth temperature of 200°C and also, post-annealing of the samples was accomplished at 300°C for 1 h under nitrogen atmosphere. The X-ray diffraction of the films was monitored to study the crystallinity of the films according to post-anneal. The field emission-scanning electron microscopy and atomic force microscopy were conducted to observe the surface morphological changes and measure the root-mean-square roughness of the films in order to analysis the post-annealing effects on the surface roughness of the films.


1999 ◽  
Vol 85 (2) ◽  
pp. 1069-1074 ◽  
Author(s):  
Keiko Kushida-Abdelghafar ◽  
Masahiko Hiratani ◽  
Yoshihisa Fujisaki

Carbon ◽  
2017 ◽  
Vol 123 ◽  
pp. 18-25 ◽  
Author(s):  
Daniel Villaroman ◽  
Xinjiang Wang ◽  
Weijing Dai ◽  
Lin Gan ◽  
Ruizhe Wu ◽  
...  

2017 ◽  
Vol 56 (4S) ◽  
pp. 04CS07 ◽  
Author(s):  
Kosuke O. Hara ◽  
Cham Thi Trinh ◽  
Yasuyoshi Kurokawa ◽  
Keisuke Arimoto ◽  
Junji Yamanaka ◽  
...  

2008 ◽  
Vol 53 (1) ◽  
pp. 331-334 ◽  
Author(s):  
B.-S. Yun ◽  
JunHo Kim

2010 ◽  
Vol 24 (06) ◽  
pp. 595-605 ◽  
Author(s):  
Y. INRITSAPONG ◽  
P. CHINDAUDOM ◽  
N. NUNTAWONG ◽  
V. PATTHANASETTHAKUL ◽  
M. HORPHATHUM ◽  
...  

ITO thin films were coated on unheated glass and Si -wafer (100) substrates by ion-assisted evaporation. The effects of post annealing, in vacuum at 250°C and 350°C for 1 h, on the structural, optical and electrical properties were studied. The structure was characterized by X-ray diffraction (XRD). The surface morphology of the films was investigated by atomic force microscopy (AFM). The optical properties were evaluated by spectrophotometer and spectroscopic ellipsometry (SE). The resistivity was measured by the four-point probes method. It was found that the increase of post-annealing temperature would improve the film crystallinity and electrical properties. The preferred orientation of ITO thin film after annealing is (222). The resistivity of the as-deposited film is found to be 5.52 × 10-4 Ωcm and decreases to 2.11 × 10-4 Ωcm after annealing at 350°C. The AFM image reveals that the surface roughness decreases with increasing annealing temperature. The uniqueness test based on SE analysis data has been applied for ITO modeling. This modeling indicates that the film microstructure consists of three layers including the higher-index ITO layer, the effective medium approximation (EMA) layer to represent a slightly lower optical index, and the surface roughness layer on top. The EMA thickness and its relative composition decrease with increasing annealing temperature. The extinction coefficient in the IR region increases whereas the refractive index decreases with increasing annealing temperature.


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