scholarly journals Enhanced thermoelectric performance in single-crystal-like semiconducting flexible GaAs films

APL Materials ◽  
2019 ◽  
Vol 7 (3) ◽  
pp. 031104 ◽  
Author(s):  
S. Singh ◽  
P. Dutta ◽  
M. Rathi ◽  
Y. Yao ◽  
Y. Gao ◽  
...  
Keyword(s):  
Single Crystal ◽  
Thermoelectric Performance ◽  
Gaas Films

scholarly journals Sodium-Doped Tin Sulfide Single Crystal: A Nontoxic Earth-Abundant Material with High Thermoelectric Performance

2018 ◽  
Vol 8 (20) ◽  
pp. 1800087 ◽  
Author(s):  
Hong Wu ◽  
Xu Lu ◽  
Guoyu Wang ◽  
Kunling Peng ◽  
Hang Chi ◽  
...  
Keyword(s):  
Single Crystal ◽  
Thermoelectric Performance ◽  
Tin Sulfide ◽  
Earth Abundant ◽  
Sulfide Single Crystal

scholarly journals Boosting the thermoelectric performance of p-type heavily Cu-doped polycrystalline SnSe via inducing intensive crystal imperfections and defect phonon scattering

2018 ◽  
Vol 9 (37) ◽  
pp. 7376-7389 ◽  
Author(s):  
Xiaolei Shi ◽  
Kun Zheng ◽  
Min Hong ◽  
Weidi Liu ◽  
Raza Moshwan ◽  
...  
Keyword(s):  
Single Crystal ◽  
Phonon Scattering ◽  
Thermoelectric Performance ◽  
Solvothermal Route ◽  
Crystal Imperfections ◽  
P Type ◽  
First Time

In this study, we, for the first time, report a high Cu solubility of 11.8% in single crystal SnSe microbelts synthesized via a facile solvothermal route.

scholarly journals Surface Oxide Removal for Polycrystalline SnSe Reveals Near-Single-Crystal Thermoelectric Performance

Joule ◽  
2019 ◽  
Vol 3 (3) ◽  
pp. 719-731 ◽  
Author(s):  
Yong Kyu Lee ◽  
Zhongzhen Luo ◽  
Sung Pyo Cho ◽  
Mercouri G. Kanatzidis ◽  
In Chung
Keyword(s):  
Single Crystal ◽  
Surface Oxide ◽  
Thermoelectric Performance ◽  
Oxide Removal

Ultrahigh power factor and thermoelectric performance in hole-doped single-crystal SnSe

Science ◽  
2015 ◽  
Vol 351 (6269) ◽  
pp. 141-144 ◽  
Author(s):  
L.-D. Zhao ◽  
G. Tan ◽  
S. Hao ◽  
J. He ◽  
Y. Pei ◽  
...  
Keyword(s):  
Single Crystal ◽  
Power Factor ◽  
Thermoelectric Performance

Single‐crystal GaAs films on amorphous substrates by the CLEFT process

1982 ◽  
Vol 20 (3) ◽  
pp. 720-725 ◽  
Author(s):  
C. O. Bozler ◽  
R. W. McClelland ◽  
J. P. Salerno ◽  
J. C. C. Fan
Keyword(s):  
Single Crystal ◽  
Gaas Films ◽  
Amorphous Substrates ◽  
Crystal Gaas

An Oxide Single Crystal with High Thermoelectric Performance in Air

2000 ◽  
Vol 39 (Part 2, No. 11B) ◽  
pp. L1127-L1129 ◽  
Author(s):  
Ryoji Funahashi ◽  
Ichiro Matsubara ◽  
Hiroshi Ikuta ◽  
Tsunehiro Takeuchi ◽  
Uichiro Mizutani ◽  
...  
Keyword(s):  
Single Crystal ◽  
Thermoelectric Performance

scholarly journals Enhanced Thermoelectric Cooling through Introduction of Material Anisotropy in Transverse Thermoelectric Composites

Materials ◽  
2019 ◽  
Vol 12 (13) ◽  
pp. 2049
Author(s):  
Bosen Qian ◽  
Fei Ren ◽  
Yao Zhao ◽  
Fan Wu ◽  
Tiantian Wang
Keyword(s):  
Mathematical Model ◽  
Single Crystal ◽  
Material Properties ◽  
Cooling Capacity ◽  
Thermoelectric Performance ◽  
Cooling Power ◽  
Material Anisotropy ◽  
Element Analysis ◽  
The Mathematical Model ◽  
Component Phase

Transverse thermoelectric materials can achieve appreciable cooling power with minimal space requirement. Among all types of material candidates for transverse thermoelectric applications, composite materials have the best cooling performance. In this study, anisotropic material properties were applied to the component phase of transverse thermoelectric composites. A mathematical model was established for predicting the performance of fibrous transverse thermoelectric composites with anisotropic components. The mathematical model was then validated by finite element analysis. The thermoelectric performance of three types of composites are presented, each with the same set of component materials. For each type of component, both anisotropic single-crystal and isotropic polycrystal material properties were applied. The results showed that the cooling capacity of the system was improved by introducing material anisotropy in the component phase of composite. The results also indicated that the orientation of the anisotropic component’s property axis, the anisotropic characteristic of a material, will significantly influence the thermoelectric performance of the composite. For a composite material consisting of Copper fiber and Bi2Te3 matrix, the maximum cooling capacity can vary as much as 50% at 300 K depending on the property axis alignment of Bi2Te3 in the composite. The composite with Copper and anisotropic SnSe single crystal had a 51% improvement in the maximum cooling capacity compared to the composite made of Copper and isotropic SnSe polycrystals.

Zone Melting Recrystallization of GaAs Films on Oxidized Si

1985 ◽  
Vol 53 ◽  
Author(s):  
Weiwen Zhu ◽  
Weiyuan Wang
Keyword(s):  
Grain Size ◽  
Electron Diffraction ◽  
Single Crystal ◽  
Electron Mobility ◽  
Zone Melting ◽  
Hall Measurement ◽  
Signal Ratio ◽  
Before And After ◽  
Gaas Films ◽  
Diffraction Patterns

ABSTRACTIn this paper, GaAs SOI consisting of MBE deposited GaAs films on oxidized Si was recrystallized by narrow-zone melting in a RF induction graphite strip heater at a rate of 1–1.2 mm/s. The original grain size of MBE GaAs SOI films is smaller than 800 Å, and the electron diffraction patterns appear as typical polycrystalline rings as determined by SEM and ED, respectively. After zone melting recrystallization, the grain size of GaAs SOI films increases to 1 µm, the prefered ˂111˃ diffraction spots appear apparently, and the carrier concentrations and electron mobility amount to 3×1017cm−3 and 1.1×103cm2/v.s as determined by Hall measurement. The AES Ga/As signal ratio of the GaAs SO before and after recrystallization is the same as that of the GaAs single crystal. The possible application of GaAs SOI to devices is discussed.

scholarly journals Superior intrinsic thermoelectric performance with zT of 1.8 in single-crystal and melt-quenched highly dense Cu2-xSe bulks

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
Lan-ling Zhao ◽  
Xiao-lin Wang ◽  
Ji-yang Wang ◽  
Zhen-xiang Cheng ◽  
Shi-xue Dou ◽  
...  
Keyword(s):  
Single Crystal ◽  
Thermoelectric Performance
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