XPS Study of Property Changes of The Themal Control Coatings with 110keV Proton Irradiation

WEN Wan-Xin; YANG Sheng-Sheng; WANG Li

Chinese Physics C> 2006, Vol. 30> Issue(4) : 364-367

XPS Study of Property Changes of The Themal Control Coatings with 110keV Proton Irradiation

Department of Radiation Medicine, Soochow University, Suzhou 215007, China2 National Key Lab. of Vacuum & Cryogenics Technology and Physics, Lanzhou 730000, China

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Irradiation of 110keV proton beam with exposure ranging from 1.0×10¹¹to 1.0×10¹⁷p/cm² onto the thermal control coatings of 6 different materials was performed, the changes of thermal properties were investigated and the surface chemical structure was analyzed by X-ray photoelectron spectroscopy XPS. It showed that the thermal properties of all the specimens was no obvious change and the surface chemical structure such as the chemical shift and elemental ratios changed little with the proton exposure less than 1.0×10¹⁴p/cm².Nevertheless, the thermal properties and surface chemical structure changed significantly with the proton exposure over 1.0×10¹⁴p/cm², for all the specimens the elemental ratio of C increased while the element ration of O decreased on the other hand. It is revealed that the proton irradiation with proper energy and fluence could improve the thermal properties of some thermal control coating of low solar absorptance.The changes both of the physics property and the surface chemical structure of the thermal control coatings resulting from the proton irradiation took place in phase.

References

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. Silverman EM. Space Environmental Effects on Spacecraft:LEO Materials Selection Guide, NASA Contractor Report46612. Grossman E, Gouzman I. Nuclear Instruments in PhysicsResearch, 2003, B208: 48—573. WEN W X, YANG S S, WANG L. HEP NP, 2006, 30:268. (in Chinese)(文万信，杨生胜，王立.高能物理与核物理，2006, 30: 268)4. Ariza M J, Martin F, Leinen D. Applied Phys., 2001, A73:579—5845. Watts J F, Wolstenholme J. An Introduction to SurfaceAnalysis by XPS and AES. John Wiley Sons, 20026. EktessabiU A M, Hakamata S. Thin Solid Films, 2000,377—378: 621—625

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WEN Wan-Xin, YANG Sheng-Sheng and WANG Li. XPS Study of Property Changes of The Themal Control Coatings with 110keV Proton Irradiation[J]. Chinese Physics C, 2006, 30(4): 364-367.

WEN Wan-Xin, YANG Sheng-Sheng and WANG Li. XPS Study of Property Changes of The Themal Control Coatings with 110keV Proton Irradiation[J]. Chinese Physics C, 2006, 30(4): 364-367. shu

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Received: 2005-04-18
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

XPS Study of Property Changes of The Themal Control Coatings with 110keV Proton Irradiation

Corresponding author: WEN Wan-Xin,

Department of Radiation Medicine, Soochow University, Suzhou 215007, China2 National Key Lab. of Vacuum & Cryogenics Technology and Physics, Lanzhou 730000, China

Received Date: 2005-04-18

Accepted Date: 1900-01-01

Available Online: 2006-04-05

Abstract: Irradiation of 110keV proton beam with exposure ranging from 1.0×10¹¹to 1.0×10¹⁷p/cm² onto the thermal control coatings of 6 different materials was performed, the changes of thermal properties were investigated and the surface chemical structure was analyzed by X-ray photoelectron spectroscopy XPS. It showed that the thermal properties of all the specimens was no obvious change and the surface chemical structure such as the chemical shift and elemental ratios changed little with the proton exposure less than 1.0×10¹⁴p/cm².Nevertheless, the thermal properties and surface chemical structure changed significantly with the proton exposure over 1.0×10¹⁴p/cm², for all the specimens the elemental ratio of C increased while the element ration of O decreased on the other hand. It is revealed that the proton irradiation with proper energy and fluence could improve the thermal properties of some thermal control coating of low solar absorptance.The changes both of the physics property and the surface chemical structure of the thermal control coatings resulting from the proton irradiation took place in phase.

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XPS Study of Property Changes of The Themal Control Coatings with 110keV Proton Irradiation

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