Atomically Architected Silicon Pyramid Single-Crystalline Structure Supporting Epitaxial Material Growth and Characteristic Magnetism

2021 ◽  
Author(s):  
Aydar Irmikimov ◽  
Liliany N. Pamasi ◽  
Azusa N. Hattori ◽  
Takaaki Higashi ◽  
Shunta Takahashi ◽  
...  
Keyword(s):  
Crystalline Structure ◽  
Single Crystalline ◽  
Material Growth

Stereo-epitaxial growth of single-crystal Ni nanowires and nanoplates from aligned seed crystals

Nanoscale ◽  
2016 ◽  
Vol 8 (19) ◽  
pp. 10291-10297 ◽  
Author(s):  
Hyoban Lee ◽  
Youngdong Yoo ◽  
Taejoon Kang ◽  
Jiyoung Lee ◽  
Eungwang Kim ◽  
...  
Keyword(s):  
Single Crystal ◽  
Epitaxial Growth ◽  
Crystalline Structure ◽  
Vapor Phase ◽  
Growth Direction ◽  
Single Crystalline ◽  
Seed Crystals ◽  
Sapphire Substrates

Vertical Ni NWs, inclined Ni NWs, and vertical Ni nanoplates were epitaxially grown on sapphire substrates with a single-crystalline structure in the vapor phase. The morphology and growth direction of Ni nanostructures are determined by Ni seed crystals.

Scalable synthesis of high-quality transition metal dichalcogenide nanosheets and their application as sodium-ion battery anodes

2016 ◽  
Vol 4 (44) ◽  
pp. 17370-17380 ◽  
Author(s):  
Jingwen Zhou ◽  
Jian Qin ◽  
Lichao Guo ◽  
Naiqin Zhao ◽  
Chunsheng Shi ◽  
...  
Keyword(s):  
Transition Metal ◽  
Crystalline Structure ◽  
Large Scale ◽  
Sodium Ion ◽  
Sodium Ion Battery ◽  
Transition Metal Dichalcogenide ◽  
High Quality ◽  
Single Crystalline ◽  
Scalable Synthesis

High-quality 2D WS2, MoS2, MoSe2 and WSe2 nanosheets with a single-crystalline structure have been synthesized on a large scale by a NaCl template-assisted strategy.

One-pot synthesis of single-crystalline PtPb nanodendrites with enhanced activity for electrooxidation of formic acid

2016 ◽  
Vol 52 (24) ◽  
pp. 4493-4496 ◽  
Author(s):  
Ximing Qu ◽  
Zhenming Cao ◽  
Binwei Zhang ◽  
XiaoChun Tian ◽  
Fuchun Zhu ◽  
...  
Keyword(s):  
Formic Acid ◽  
Crystalline Structure ◽  
One Pot ◽  
Single Crystalline ◽  
One Pot Synthesis ◽  
Enhanced Activity

Bimetallic PtPb nanodendrites with a single-crystalline structure were obtained by a facile one-pot strategy.

Growth of single-crystalline tungsten nanowires by an alloy-catalyzed method at 850 °C

2008 ◽  
Vol 23 (1) ◽  
pp. 72-77 ◽  
Author(s):  
Shiliang Wang ◽  
Yuehui He ◽  
Jian Xu ◽  
Yao Jiang ◽  
Baiyun Huang ◽  
...  
Keyword(s):  
Ternary System ◽  
Crystalline Structure ◽  
Growth Temperature ◽  
Eutectic Temperature ◽  
Metallic Nanowires ◽  
Vapor Liquid Solid ◽  
Single Crystalline ◽  
Vapor Liquid Solid Mechanism ◽  
Metal Catalyzed ◽  
Alloy Catalysts

In this study, we report the growth of metallic tungsten nanowires induced by alloy catalysts (Fe–Ni) at a temperature of 850 °C. The synthesized tungsten nanowires have bottom diameters of 100 to 400 nm and tip diameters of <80 nm, and show a well-defined single-crystalline structure. The formation of the (Fe,Ni)-catalyzed W nanowires should be controlled by the vapor–solid–solid mechanism, rather than the traditional vapor–liquid–solid mechanism, because the growth temperature is significantly below the lowest eutectic temperature (1455 °C) of the Fe–Ni–W ternary system. Our study demonstrates the feasibility of synthesizing metallic nanowires via metal-catalyzed methods, which may be extended to the synthesis of some other metallic nanowires.

scholarly journals The Effect of Annealing Ambience on the Material and Photodetector Characteristics of Sputtered ZnGa2O4 Films

Nanomaterials ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 2316
Author(s):  
Anoop Kumar Singh ◽  
Shiau-Yuan Huang ◽  
Po-Wei Chen ◽  
Jung-Lung Chiang ◽  
Dong-Sing Wuu
Keyword(s):  
Thermal Annealing ◽  
Crystalline Structure ◽  
Visible Region ◽  
X Ray Diffraction ◽  
Substantial Impact ◽  
Single Crystalline ◽  
X Ray ◽  
Transmission Electron ◽  
Diffraction Patterns ◽  
Crystallographic Planes

Spinel ZnGa2O4 films were grown on c-plane sapphire substrates at the substrate temperature of 400 °C by radio-frequency magnetron sputtering. Post thermal annealing was employed at the annealing temperature of 700 °C in order to enhance their crystal quality. The effect of thermal annealing on the microstructural and optoelectronic properties of ZnGa2O4 films was systematically investigated in various ambiences, such as air, nitrogen, and oxygen. The X-ray diffraction patterns of annealed ZnGa2O4 films showed the crystalline structure to have (111) crystallographic planes. Transmission electron micrographs verified that ZnGa2O4 film annealed under air ambience possesses a quasi-single-crystalline structure. This ZnGa2O4 film annealed under air ambience exhibited a smooth surface, an excellent average transmittance above 82% in the visible region, and a wide bandgap of 5.05 eV. The oxygen vacancies under different annealing ambiences were revealed a substantial impact on the material and photodetector characteristics by X-ray photoelectron spectrum investigations. ZnGa2O4 film exhibits optimal performance as a metal-semiconductor-metal photodetector when annealed under air ambience. Under these conditions, ZnGa2O4 film exhibits a higher photo/dark current ratio of ~104 order, as well as a high responsivity of 2.53 A/W at the bias of 5 V under an incident optical light of 240 nm. These results demonstrate that quasi-single-crystalline ZnGa2O4 films have significant potential in deep-ultraviolet applications.

Preparation and characterisation of single‐crystalline structure Sb/Bi 2 Te 3 superlattice nanowires

2016 ◽  
Vol 11 (11) ◽  
pp. 738-740 ◽  
Author(s):  
Junli Fu ◽  
Jinbo Shen ◽  
Honglong Shi ◽  
Yujie Liang ◽  
Zhen Qu ◽  
...  
Keyword(s):  
Crystalline Structure ◽  
Single Crystalline
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