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Boron-doped nanocrystalline silicon thin films prepared by PECVD Xiu-Qin Wang, Jian-ning Ding*, Ning-Yi Yuan*, Shu-Bo Wang Center for low-dimensional materials, micro-nano devices and system, Changzhou University, Changzhou 213164, China Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou 213164, China Email: nyyuan@cczu.edu.cn Keywords: PECVD, boron-doped, nanocrystalline silicon, crystalline fraction, conductivity.
Several techniques such as plasma enhanced chemical vapor deposition (PECVD), evaporation, reactive evaporation, sputtering, laser ablation, and size selected cluster depositon have been used to deposit nanocrystalline materials of interest.
However, PECVD technique has the advantage that not only it provides the possibility to tailor-made the properties of the nanocrystalline materials but also offers the opportunity to encapsulate the nanostructured objects in the matrix of the desired materials[4].
Schropp: Solar Energy Materials and Solar Cells, Vol. 53 (1998), p. 189
[7] Yang Shi-E , Wen Li-Wei , Chen Yong-Sheng: ACTA PHYSICA SINICA, Vol. 57 (2008), p.5176 [8] Michio Kondo, Makoto Fukawa, Lihui Guo, Akihisa Matsuda : Journal of Non-Crystalline Solids, Vol. 266-269(2009), p.84 [9]Winer.

Transition metal sulfides [7-10] are a kind of materials with great technology-importance.
It can be used as toner of glasses and also is one of the most common cathode materials.
Yamamoto: Solar Energy Materials and Solar Cells. 65 (2001) 79
Seki et al.: Solar Energy Materials & Solar Cells. 75 (2003) 451
Jian: Journal of Crystal Growth 4 (2004) 266

Steel is one of the most widely used materials and is dominant in manufacturing [1,2].
Chinese Journal of lasers, 35 (2008) 1783-1788
The Chinese Journal of Nonferrous Metals, 24 (2014) 678-688
Journal of Materials Processing Technology, 217 (2015) 131-143
Materials Transactions, 32 (1991) 1053-1061.

Problem solution As an important component of folk handcraft culture, Chinese national costume remains the characteristics of original native Chinese culture, which keeps the state of the unity of spirit and materials and embodies Chinese view of nature and thinking mode.
Style, color and material are three essence of clothing.
For example, we can use the traditional pattern with modern materials, new composition and modern crafts.
In this way, undergoes certain artistic techniques processing, including color, drawing, materials and so on, which present many kinds of styles.
Liu: The Traditional Chinese Clothing Culture and Contemporary Design, Journal of Zhejiang Textile & Fashion College. vol.4 (2005), p. 57 [2] G.

The microstructure of nano-structured materials was examined by Gleiter [1].
The structure involving small grains and crystalline materials.
Marple, Enhanced ductility in thermal sprayed titania coating synthesized using a nanostructured feedstock, Materials Science and Engineering A 395 (2005) 269-280
Kik, Erosion and abrasion wear resistance of GMA wire surfaced nanostructured deposits, Achieves of Materials Science and Engineering, 30 (2008) 121-124
Zanis, The microstructure and strength properties of MA957 nanostructured ferritic alloy joints produced by friction stir and electro-spark deposition welding, Journal of Nuclear Materials 367–370 (2007) 1197–1202.

(2)Cohesive action The polar groups of coagulating agent can adsorb many materials, when macro molecular exists among dust the dust particles, each molecule can adsorb several dust particles respectively, the incompact dust particles combine with each other tightly because of "bridging function" and form a big dust particle.
References [1] Tan Zhuoying; Zhao Xingguang; Liu Wenjing; Road dust formation and suppression in an open pit, Journal of University of Science and Technology Beijing, 2005.vol27(4).
Environmental Science, 1996, 17(6): 50-51(in Chinese) [7] Zhou Bo, Wu Chao.
Journal of the Air & Waste Management Association.1999, 49(1): 3-16 [11] Foley Graham, Cropley Stephen.
Journal of Xi an Highway University, 2003, 23(2): 88(in Chinese) [15] Zhang Hongjiang.

This characterization is performed by evaluating the change in the polarization state of the incident light when it interacts with the material of interest.
Some authors have investigated several coatings for improving the corrosion resistance of these materials [7-10] and the ellipsometry can be an efficient tool in this subjected.
Weiter: Applied Surface Science Vol. 349 (2015), p. 582
Canepa: Applied Surface Science Vol. 421 Part B 1 (2017), p. 651. (2016) http://dx.doi.org/10.1016/j.apsusc.2016.09.115
Huang: Journal of Alloys and Compounds Vol. 587 (2014), p. 527

For example, if we want to calculate the industry material and energy cost, we realize it as follow(the data as the term of service shown as Fig3): The supervisor defines a service to calculate the material and energy cost in the Saas without considering the different of the systems. 1.
Saas define the service of getting the material and energy price to other cloud’s Saas. 3.
Saas get the cost after getting the sum of material and energy from Paas and the price from other Saas.
At the effect of market-oriented economy, the material and energy price is floating.
The cloud is built to provide service on getting the price of the material and energy. 3.

Introduction In recent years, the melt growth eutectic composite materials have been developed rapidly.
In order to make eutectic composite materials be widely used, it is necessary to study its breaking and damaging process. 
Key Engineering Materials, (2005),290, p.199-202
Ceramic Engineering & Science Proceedings, Vol. 2(2005), p. 225-233
Chinese Journal of Solid Mechanics, Vol. 2(2009), p. 116-121,in Chinese.

The theory has found applications in diverse areas of engineering and materials science ranging from geomechanics to biomechanics.
The damage evolution in porous materials is generally anisotropic in character.
Christensen, Mechanics of Composite Materials (Wiley-Interscience, New York, 1979)
Chaboche, Damage Mechanics in Engineering Materials Studies in applied Mechanics, Vol. 46(Elsevier Science, Amsterdam, 1998)
Chaboche, Mechanics of Solid Materials (Cambridge University Press, Cambridge, 1990)