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Preparation and characteristic study of nanometer thickness depleted uranium / Au multilayer

Yi Tai-Min Xing Pi-Feng Du Kai Zheng Feng-Cheng Yang Meng-Sheng Xie Jun Li Chao-Yang

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Preparation and characteristic study of nanometer thickness depleted uranium / Au multilayer

Yi Tai-Min, Xing Pi-Feng, Du Kai, Zheng Feng-Cheng, Yang Meng-Sheng, Xie Jun, Li Chao-Yang
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  • Modeling and experimental results show that the depleted uranium (DU) and Aucocktail nanometer multilayer will improve the X-ray conversion efficiency by reducing energy loss to penetration of the X-ray into the hohlraum wall. DU/Au multilayer plane film is deposited by magnetron sputtering through alternately rotating substrate in front of separate DU and Au sources. The geometry parameter, surface topography, atomic concentration and interface structure of DU/Au multilayer are characterized by white light interferometer, scanning electronic microscope (SEM) and X-ray photoelectron spectroscopy (XPS). Au film becomes continuous when its thickness reaches 8 nm. Combining with theoretical modeling results, 30 nm DU and 8 nm Au multilayer is chosen. The periodic thickness of DU/Au is measured to be about 37 nm. Well-defined Du/Au interface is observed by SEM. Diffusion at DU/Au interface is observed by XPS. The atomic concentration ratio of DU, Au, O is 73:26:1. The binding energy of Au 4f of 8 nm thickness Au film shifts toward high-energy tail about by 0.6 eV. Similar phenomena are unfound in 30 nm thickness DU film.
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    [2]

    Rosen M D 1999 Phys. Plasmas 6 1690

    [3]

    Wilkens H L, Nikroo A, Wall D R, Wall J R 2007 Phys. Plasmas 14 56310

    [4]

    Callahan D A, Amendt P A, Dewald E L, Haan S W, Hinkel D E, Lzurni N, Jones O S, Landen O L, Lindl J D, Pollaine S M, Suter L J 2006 Phys. Plasmas 13 056307

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    [6]

    Orzechowski T J, Rosen M D, Kornblum H N, Porter J L, Suter L J, Thiessen A R, Wallace R J 1996 Phys. Rev. Lett. 77 3545

    [7]

    Colobant D, Klapisch M, Bar-Shalom A 1998 Phys. Rev. E 57 3411

    [8]

    Suter L, Rothenberg J, Munro D, Van Wonterghen B, Haan S 2000 Phys. Plasmas 7 2092

    [9]

    Schein J, Jones O, Rosen M, Dewald E, Glenzer S, Gunther J, Hammel B Landen O, Suter L, Wallace R 2007 Phys. Rev. Lett. 98 175003

    [10]

    Wilkens H L, Gunther J, Mauldin M P, Nikrco A, Wall J R, Harding D R, Lund L D 2006 Fusion Sci. Technol. 49 846

    [11]

    Gouder T, Colmenares C A, Naegele J R 1995 Surf. Sci. 342 299

    [12]

    Gouder T 1997 Surf. Sci. 382 26

    [13]

    Bautista L B, Hänke T, Getzlaff M, Wiesendanger R, Opahle I, Koepernik K, Richter M 2004 Phys. Rev. B 70 113401

    [14]

    Wilkens H E, Gunther J, Mauldin M P, Nikroo A, Wall J, Wall D, Wallace R J 2005 Inertial Confinement Fusion Annual Report (San Diego: General Atomics) pp72---74

    [15]

    An T, Wang L L, Wen M, Zheng W T 2011 Acta Phys. Sin. 60 016801 (in Chinese) [安涛, 王丽丽, 文懋, 郑伟涛 2011 物理学报 60 016801]

    [16]

    Xia A L, Han B S 2008 Acta Phys. Sin. 57 545 (in Chinese) [夏爱林, 韩宝善 2008 物理学报 57 545]

    [17]

    Yue J L, Kong M, Zhao W J, Li G Y 2007 Acta Phys. Sin. 56 1568 (in Chinese) [岳建岭, 孔明, 赵文济, 李戈扬 2007 物理学报 56 1568]

    [18]

    Yi T M, Xing P F, Tang Y J, Zhang L, Zheng F C, Xie J, Li C Y, Yang M S 2010 At. Energy Sci. Techn. 44 869 (in Chinese) [易泰民, 邢丕峰, 唐永建, 张林, 郑凤成, 谢军, 李朝阳, 杨蒙生 2010 原子能科学技术 44 869]

    [19]

    Lai X C, Fu X G, Li G, Zhong Y Q 2005 At. Energy Sci. Techn. 39 139 (in Chinese) [赖新春, 伏晓国, 李赣, 钟永强 2005 原子能科学技术 39 139]

  • [1]

    Kilkenny J 1995 Laser Plasma Interactions (5): Inertial Confinement Fusion (Bristol: Institute of Physics Publishing)

    [2]

    Rosen M D 1999 Phys. Plasmas 6 1690

    [3]

    Wilkens H L, Nikroo A, Wall D R, Wall J R 2007 Phys. Plasmas 14 56310

    [4]

    Callahan D A, Amendt P A, Dewald E L, Haan S W, Hinkel D E, Lzurni N, Jones O S, Landen O L, Lindl J D, Pollaine S M, Suter L J 2006 Phys. Plasmas 13 056307

    [5]

    Nishumura H, Endo T, Shiraga H, Kato Y, Nakai S 1993 Appl. Phys. Lett. 62 1344

    [6]

    Orzechowski T J, Rosen M D, Kornblum H N, Porter J L, Suter L J, Thiessen A R, Wallace R J 1996 Phys. Rev. Lett. 77 3545

    [7]

    Colobant D, Klapisch M, Bar-Shalom A 1998 Phys. Rev. E 57 3411

    [8]

    Suter L, Rothenberg J, Munro D, Van Wonterghen B, Haan S 2000 Phys. Plasmas 7 2092

    [9]

    Schein J, Jones O, Rosen M, Dewald E, Glenzer S, Gunther J, Hammel B Landen O, Suter L, Wallace R 2007 Phys. Rev. Lett. 98 175003

    [10]

    Wilkens H L, Gunther J, Mauldin M P, Nikrco A, Wall J R, Harding D R, Lund L D 2006 Fusion Sci. Technol. 49 846

    [11]

    Gouder T, Colmenares C A, Naegele J R 1995 Surf. Sci. 342 299

    [12]

    Gouder T 1997 Surf. Sci. 382 26

    [13]

    Bautista L B, Hänke T, Getzlaff M, Wiesendanger R, Opahle I, Koepernik K, Richter M 2004 Phys. Rev. B 70 113401

    [14]

    Wilkens H E, Gunther J, Mauldin M P, Nikroo A, Wall J, Wall D, Wallace R J 2005 Inertial Confinement Fusion Annual Report (San Diego: General Atomics) pp72---74

    [15]

    An T, Wang L L, Wen M, Zheng W T 2011 Acta Phys. Sin. 60 016801 (in Chinese) [安涛, 王丽丽, 文懋, 郑伟涛 2011 物理学报 60 016801]

    [16]

    Xia A L, Han B S 2008 Acta Phys. Sin. 57 545 (in Chinese) [夏爱林, 韩宝善 2008 物理学报 57 545]

    [17]

    Yue J L, Kong M, Zhao W J, Li G Y 2007 Acta Phys. Sin. 56 1568 (in Chinese) [岳建岭, 孔明, 赵文济, 李戈扬 2007 物理学报 56 1568]

    [18]

    Yi T M, Xing P F, Tang Y J, Zhang L, Zheng F C, Xie J, Li C Y, Yang M S 2010 At. Energy Sci. Techn. 44 869 (in Chinese) [易泰民, 邢丕峰, 唐永建, 张林, 郑凤成, 谢军, 李朝阳, 杨蒙生 2010 原子能科学技术 44 869]

    [19]

    Lai X C, Fu X G, Li G, Zhong Y Q 2005 At. Energy Sci. Techn. 39 139 (in Chinese) [赖新春, 伏晓国, 李赣, 钟永强 2005 原子能科学技术 39 139]

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Publishing process
  • Received Date:  19 April 2011
  • Accepted Date:  28 April 2012
  • Published Online:  20 April 2012

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