Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Xue Nan Zhang"'
Publikováno v:
Materials Science Forum. 815:72-75
The center of czochralski (CZ) wafer for solar cell often has black center, due to the existence of high impurities content, many defects such as dislocations. This has serious effect on solar cells’ conversion efficiency. To solve this problem, we
Publikováno v:
Materials Science Forum. 815:14-17
With the development of power electronic devices, the market demand for acid etched wafers of monocrystalline silicon, which has good surface properties and minimum surface roughness, increases rapidly. But there has been rarely report about the impa
Publikováno v:
Applied Mechanics and Materials. :284-287
The shape and stability of growth interface have significant influence on the floating zone (for short FZ) silicon crystal. During the growth of crystal cone, growth interface reversal will happen due to the change of cooling mechanism, which makes c
Publikováno v:
Advanced Materials Research. :519-523
As the main substrate materials for solar cell, Czochralskisilicon (CZ-Si) has more crystal defects, higher impurities content and so on, which limit the further improvement of conversion efficiency (h). Floating zone melting silicon (FZ-Si) has exce
Publikováno v:
Applied Mechanics and Materials. :2598-2602
Removed due to high similarity index to the previously published paper: Terrel, Matthew, Michel JF Digonnet, and Shanhui Fan. "Ring-coupled Mach-Zehnder interferometer optimized for sensing." Applied optics 48.26 (2009): 4874-4879.
High-Sensitivity Sensor Using Frequency Sweeping Generated Ringing Effect in Single-Mode Fiber-Loops
Publikováno v:
Applied Mechanics and Materials. :2766-2770
In this article, we present propose a simple method to detect the minor fluid-environmental changes using ringing phenomenon generated by frequency sweeping in a single mode optical fiber resonator. The method is based on the fact that the insertion
Autor:
Yu Tian Wang, Jian Hong Li, Chun Geng Yang, Xue Nan Zhang, Ji Hui Wang, Chang Xu Zhang, Hao Ping Shen
Publikováno v:
Advanced Materials Research. :929-932
This paper introduces the fabrication method of a kind of gas phase phosphorus heavily-doped float zone (FZ) silicon, including thermal field design (electromagnetic copper coil with double water cooling system). This method solves the problems durin
Autor:
Shu Liang Gao, Yu Tian Wang, Ji Hui Wang, Xu Guang Zhang, Xue Nan Zhang, Jian Hong Li, Hao Ping Shen
Publikováno v:
Advanced Materials Research. :1760-1763
This project studies the impact on ‹110› dislocation-free monocrystal grown by Czochralski method (hereinafter referred to as CZ) through puller's heat zone system and pulling process. Adjusting heat system appropriately, increasing pulling speed
Autor:
Yan Jun Wang, Xu Guang Zhang, Hao Ping Shen, Shu Liang Gao, Xiang Li, Xue Nan Zhang, Ji Hui Wang, Jian Hong Li
Publikováno v:
Advanced Materials Research. 266:34-37
In this paper, the radial resistivity variation (RRV) of the gas doped floating-zone (GDFZ) silicon has been studied through of three factors that are the lower shaft rotation speed, the timeratio of the lower shaft clockwise(CW) rotation speed and t
Publikováno v:
Transactions of Nonferrous Metals Society of China. 16:387-391
2024Al based composites reinforced by a hybrid of SiC whisker and SiC nanoparticle were fabricated by a squeeze casting route. In the (SiCw+SiCp)/Al composites, the volume fraction of SiC whisker is 20% and that of SiC nanoparticle is 2%, 5% and 7%,