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(BiFeO3)25/(La0.7Sr0.3MnO3)25 多层膜的光学和电学性质

姜平 司道伟 朱晖文 李培刚 王顺利 崔灿 唐为华

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(BiFeO3)25/(La0.7Sr0.3MnO3)25 多层膜的光学和电学性质

姜平, 司道伟, 朱晖文, 李培刚, 王顺利, 崔灿, 唐为华

Optical and electrical characterization of (BiFeO3)25/(La0.7Sr0.3MnO3)25 multilayered thin films

Jiang Ping, Si Dao-Wei, Zhu Hui-Wen, Li Pei-Gang, Wang Shun-Li, Cui Can, Tang Wei-Hua
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  • 采用射频磁控溅射方法在(001)SrTiO3衬底上制备(001)取向的(BiFeO3)25/(La0.7Sr0.3MnO3)25多层膜.光学测试结果表明,1.32.1 eV范围内,相对于衬底而言多层膜光吸收增强; BiFeO3的带隙为2.7 eV. 另外,结合绝缘介质导电模型分析了所测得的电流-电压数据,在所测试的温度及电压下,所制备的(BiFeO3)25/(La0.7Sr0.3MnO3)25多层膜的导电机理由空间电荷限制电导主导.
    (001) oriented(BiFeO3)25/(La0.7Sr0.3MnO3)25 multilayered thin films are fabricated on (001)SrTiO3 substrate by rf-magnetron sputtering. UV-vis absorption spectrum analysis in a photon energy range of 1.2-6.4 eV is carried out, and the result shows that in a range of 1.3-2.1 eV the absorption is enhanced compared with that on SrTiO3 substrate. And the optical band gap of BiFeO3 is around 2.7 eV, which is in accordance with other reportsed results very well. Furthermore, the current-voltage curves are measured in a temperature range of 100-300 K, and the analyses according to several dielectric conduction models exhibite that the space-charge-limited conduction is dominated in the fabricated (BiFeO3)25/(La0.7Sr0.3MnO3)25 multilayered thin films.
    • 基金项目: 国家自然科学基金 (批准号: 51072182, 60806045)、国家重点基础研究发展计划(批准号: 2010CB933501)、浙江自然科学基金创新团队项目(批准号: R4090058)和浙江省大学生科技创新项目(批准号: 2009R406013)资助的课题.
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  • [1]

    Ramesh R, Spaldin Nicola A 2007 Nature Materials 6 21

    [2]
    [3]

    Fiebig M, Lottermoser Th, Frhlich D, Goltsev A V, Pisarev R V 2002 Nature 419 818

    [4]
    [5]

    Wang K F, Liu J M, Ren Z F 2009 Adv. in Phys. 58 321

    [6]
    [7]

    Filippetti A, Hill N A 2001 J. Magn. Magn. Mater. 236 176

    [8]
    [9]

    Michel C, Moreau J M, Achenbach G D 1969 Solid State Commun. 7 701

    [10]
    [11]

    Martin M C, Shirane G, Endon Y, Hirota K, Moritomo Y, Tokura Y 1996 Phys. Rev. B 53 14285

    [12]

    Zhou C C, Jin K X, Luo B C, Cao X S, Chen C L 2010 Mater. Lett. 64 1713

    [13]
    [14]
    [15]

    Yu P, Lee J S, Okamoto S, Rossell M D, Huijben M, Yang C H, He Q, Zhang J X, Yang S Y, Lee M J, Ramasse Q M, Erni R, Chu Y H, Arena D A, Kao C C, Martin L W, Ramesh R 2010 Phys. Rev. Lett. 105 027201

    [16]

    Qi X, Dho J, Tomov R, Blamire M G, MacManus-Driscoll J L 2005 Appl. Phys. Lett. 86 062903

    [17]
    [18]
    [19]

    Wang Y, Nan C W 2006 Appl. Phys. Lett. 89 052903

    [20]

    Wang Y, Wang J 2009 J. Phys. D: Appl. Phys. 42 162001

    [21]
    [22]

    Singh S K, Ishiwara H, Sato K, Maruyama 2007 J. Appl. Phys. 102 094109

    [23]
    [24]
    [25]

    Kawae T, Terauchi Y, Tsuda H, Kumeda M, Morimoto A 2009 Appl. Phys. Lett. 94 112904

    [26]
    [27]
    [28]

    Ranjith R, Prellier W, Cheah J W, Wang J, Wu T 2009 Appl. Phys. Lett. 92 232905

    [29]
    [30]

    Wang J W, Zhang Y, Jiang P, Tang W H 2009 Acta Phys. Sin. 58 4199 (in Chinese)[王君伟、张 勇、姜 平、唐为华 2009 物理学报 58 4199]

    [31]
    [32]

    Zhu H W, Jiang P, Wang S L, Mao L F, Tang W H 2010 Acta Phys. Sin. 59 5710(in Chinese) [朱晖文、姜 平、王顺利、毛凌峰、唐为华 2010 物理学报 59 5710]

    [33]

    Zhu H, Wang S, Jiang P, Shen J, Tang W 2010 J. Korean Phys. Soc. 57 268

    [34]
    [35]
    [36]

    van Benthem K, Elssser C, French R H 2001 J. Appl. Phys. 90 6156

    [37]
    [38]

    Basu S R, Martin L W, Chu Y H, Gajek M, Ramesh R, Rai R C, Xu X, Musfeldt J L 2008 Appl. Phys. Lett. 92 091905

    [39]
    [40]

    Clark S J, Robertson J 2007 Appl. Phys. Lett. 90 132903

    [41]
    [42]

    Takenaka K, Shiozaki R, Sugai S 2002 Phys. Rev. B 65 184436

    [43]

    Simmons J G 1965 Phys. Rev. Lett. 15 967

    [44]
    [45]
    [46]

    Dawber M, Rabe K M, Scott J F 2005 Rev. Mod. Phys. 77 1083

    [47]
    [48]

    Scott J F 2006 J. Phys.: Condens. Matter. 18 R361

    [49]

    Frenkel J 1938 Tech. Phys. USSR 5 685

    [50]
    [51]
    [52]

    Lampert M A 1956 Phys. Rev. 103 1648

    [53]

    Saha S, Krupanidhi S 2000 J. Appl. Phys. 88 3506

    [54]
计量
  • 文章访问数:  5011
  • PDF下载量:  543
  • 被引次数: 0
出版历程
  • 收稿日期:  2011-01-21
  • 修回日期:  2011-02-24
  • 刊出日期:  2011-11-15

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