نتایج جستجو برای: inter crystalline structure

تعداد نتایج: 1692196  

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2005

2017
Libing Zhang Li Fu Hong-fei Wang Bin Yang

Significant questions remain in respect to cellulose's structure and polymorphs, particularly the cellulose surface layers and the bulk crystalline core as well as the conformational differences. Total Internal Reflection Sum Frequency Generation Vibrational Spectroscopy (TIR-SFG-VS) combined with conventional SFG-VS (non-TIR) enables selectively characterizing the molecular structures of surfa...

2008
Zhong-chen Bai Xin

Shell-core structure of ZnSe nano crystalline cluster is used for marking glucose molecules in this paper. Fluorescent detection is successfully realized in microchannels. Mercaptoacetic acid is used for packing ZnSe nano crystalline cluster, which is dissolved in the water. Carboxyl of mercaptoacetic is used for connecting glucose molecule, and mixture solution of glucose molecule marked with ...

Journal: :Acta Crystallographica Section A Foundations and Advances 2016

Journal: :Nanotechnology 2011
Chia-Chi Chang Haitian Chen Chun-Chung Chen Wei-Hsuan Hung I-Kai Hsu Jesse Theiss Chongwu Zhou Stephen B Cronin

We study the effect of polarized laser annealing on the crystalline structure of individual crystalline-amorphous core-shell silicon nanowires (NWs) using Raman spectroscopy. The crystalline fraction of the annealed spot increases dramatically from 0 to 0.93 with increasing incident laser power. We observe Raman lineshape narrowing and frequency hardening upon laser annealing due to the growth ...

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