نتایج جستجو برای: crystalline growth

تعداد نتایج: 854386  

Journal: :Advanced materials 2018
Jianyi Chen Xiaoxu Zhao Gustavo Grinblat Zhongxin Chen Sherman J R Tan Wei Fu Zijing Ding Ibrahim Abdelwahab Yi Li Dechao Geng Yanpeng Liu Kai Leng Bo Liu Wei Liu Wei Tang Stefan A Maier Stephen John Pennycook Kian Ping Loh

Controllable growth of highly crystalline transition metal dichalcogenide (TMD) patterns with regular morphology and unique edge structure is highly desired and important for fundamental research and potential applications. Here, single-crystalline MoS2 flakes are reported with regular trigonal symmetric patterns that can be homoepitaxially grown on MoS2 monolayer via chemical vapor deposition....

2013
Jiao Wang Mengqi Zeng Lifang Tan Boya Dai Yuan Deng Mark Rümmeli Haitao Xu Zishen Li Sheng Wang Lianmao Peng Jürgen Eckert Lei Fu

The high-quality and low-cost of the graphene preparation method decide whether graphene is put into the applications finally. Enormous efforts have been devoted to understand and optimize the CVD process of graphene over various d-block transition metals (e.g. Cu, Ni and Pt). Here we report the growth of uniform high-quality single-layer, single-crystalline graphene flakes and their continuous...

2017
Y. F. Yamada A. Ohtomo M. Kawasaki Akira Ohtomo

Thermoelectric properties of single crystalline CexSr1-xTiO3 films (0 ≤ x ≤ 0.5) have been studied by using combinatorial pulsed-laser deposition. Temperature gradient method was used for identifying an optimum growth temperature for SrTiO3 homoepitaxial growth, at which both oxygen stoichiometry and persisting layer-by-layer growth mode could be accomplished. Electrical conductivity () and Se...

2013
Hong Zhao Fei Wang Yuesheng Ning Binyuan Zhao Fujun Yin Yijian Lai Junwei Zheng Xiaobin Hu Tongxiang Fan Jianguo Tang Di Zhang Keao Hu

Design and fabrication of noble metal nanocrystals have attracted much attention due to their wide applications in catalysis, optical detection and biomedicine. However, it still remains a challenge to scale-up the production in a high-quality, low-cost and eco-friendly way. Here we show that single crystalline silver nanobelts grow abundantly on the surface of biomass-derived monolithic activa...

کاوه‌ای, قاسم, احمدی, کامران , سید فرجی, لیلا , ‌کرمی, مسعودالله,

The (Bi2Te3)0.96(Bi2Se3)0.04 is an n-type thermoelectric semiconductor for using in thermoelectric cooling systems. Single crystal of this composition was grown by Zone Melting Method and thermoelectric power (α 2 σ) along the crystal growth where α is the Seebeck coefficient and σ is the electrical conductivity was measured. In this measurement a gradient along length of the prepared crystalli...

2015
Qinke Wu Ji-Hoon Park Sangwoo Park Seong Jun Jung Hwansoo Suh Noejung Park Winadda Wongwiriyapan Sungjoo Lee Young Hee Lee Young Jae Song

A monolayer hexagonal boron nitride (h-BN) film with controllable domain morphology and domain size (varying from less than 1 μm to more than 100 μm) with uniform crystalline orientation was successfully synthesized by chemical vapor deposition (CVD). The key for this extremely large single crystalline domain size of a h-BN monolayer is a decrease in the density of nucleation seeds by increasin...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Toru Tsuji Kazuo Onuma Akira Yamamoto Mayumi Iijima Kiyotaka Shiba

An animal's hard tissue is mainly composed of crystalline calcium phosphate. In vitro, small changes in the reaction conditions affect the species of calcium phosphate formed, whereas, in vivo, distinct types of crystalline calcium phosphate are formed in a well-controlled spatiotemporal-dependent manner. A variety of proteins are involved in hard-tissue formation; however, the mechanisms by wh...

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