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Study on phonons in lanthanum hexaboride surfaces and monolayer h-BN films 六硼化ランタン表面及び単原子層h-BN膜のフォノンに関する研究

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著者

    • 六田, 英治 ロクタ, エイジ

書誌事項

タイトル

Study on phonons in lanthanum hexaboride surfaces and monolayer h-BN films

タイトル別名

六硼化ランタン表面及び単原子層h-BN膜のフォノンに関する研究

著者名

六田, 英治

著者別名

ロクタ, エイジ

学位授与大学

早稲田大学

取得学位

博士(理学)

学位授与番号

甲第1372号

学位授与年月日

1999-03-15

注記・抄録

博士論文

目次

  1. Contents / p1 (0003.jp2)
  2. Chapter1 Introduction / p1 (0005.jp2)
  3. 1.1 Background / p1 (0005.jp2)
  4. 1.2 HREELS and boron compounds / p3 (0006.jp2)
  5. 1.3 Lanthanum hexaboride / p4 (0007.jp2)
  6. 1.4 Hexagonal boron nitride / p6 (0008.jp2)
  7. 1.5 Organization of this volume / p9 (0009.jp2)
  8. Chapter2 Experimental Apparatus and Lattice Dynamics of Surface Phonon / p11 (0010.jp2)
  9. 2.1 Principle of surface phonon measurement by means of HREELS / p11 (0010.jp2)
  10. 2.2 Experimental apparatus / p13 (0011.jp2)
  11. 2.3 Lattice dynamics for surface phonon analysis / p28 (0019.jp2)
  12. Chapter3 Atomic Vibrations of Oxygen-Adsorbed LaB₆(100),(110),(111)and PrB₆(100)Surfaces / p37 (0023.jp2)
  13. 3.1 Introduction / p37 (0023.jp2)
  14. 3.2 Oxygen adsorption sites on LaB₆(100) and PrB₆(100) surfaces / p41 (0025.jp2)
  15. 3.3 Oxygen adsorption on the LaB₆(100),(110) and (111) surfaces A comparative study by using HREELS / p61 (0035.jp2)
  16. 3.4 Summary / p80 (0045.jp2)
  17. Chapter4 Phonon Dispersion and Structure of Boron Network at the LaB₆(111) Surface / p83 (0046.jp2)
  18. 4.1 Introduction / p83 (0046.jp2)
  19. 4.2 HREEL spectra and the experimental phonon dispersion in LaB₆(111) / p84 (0047.jp2)
  20. 4.3 Lattice dynamical calculations / p87 (0048.jp2)
  21. 4.4 A comparison between the experimental dispersion and the theoretical one obtained by using BFC's / p90 (0050.jp2)
  22. 4.5 Definition of the surface force constants / p90 (0050.jp2)
  23. 4.6 The reproduction procedure / p92 (0051.jp2)
  24. 4.7 The phonon dispersion curves calculated with the best SFC's / p95 (0052.jp2)
  25. 4.8 Eigenvector of the 160 meV mode / p97 (0053.jp2)
  26. 4.9 Deformation of the B network at LaB₆ surfaces / p98 (0054.jp2)
  27. 4.10 Summary / p104 (0057.jp2)
  28. Chapter5 Phonons in hexagonal Boron Nitride Films on Ni,Pd and Pt(111) surfaces / p105 (0057.jp2)
  29. 5.1 Background / p105 (0057.jp2)
  30. 5.2 Production of h-BN films / p109 (0059.jp2)
  31. 5.3 AES measurement for h-BN on Ni(111) / p111 (0060.jp2)
  32. 5.4 LEED patterns from h-BN films on Ni and Pt(111) / p113 (0061.jp2)
  33. 5.5 HREEL spectra measured on h-BN/Ni(111) / p115 (0062.jp2)
  34. 5.6 A comparative study of h-BN films on Ni,Pd and Pt(111)surfaces / p117 (0063.jp2)
  35. 5.7 Phonon dispersion of monolayer h-BN on Ni(111)surface / p120 (0065.jp2)
  36. 5.8 Energy gap at the crossing point of phonon branches in the dispersion curves and therumpled structure of h-BN films on Ni(111) / p125 (0067.jp2)
  37. 5.9 Degeneracy of the LO and TO// phonons in h-BN on Ni(111)at Γ and the interfacial orbital hybridization. / p129 (0069.jp2)
  38. 5.10 Phonon dispersion in h-BN films on Pd(111)surfaces / p133 (0071.jp2)
  39. 5.11 A large exposure of borazine gas:a formation of multilayer of h-BN films on Ni(111) / p138 (0074.jp2)
  40. 5.12 Summary / p143 (0076.jp2)
  41. Chapter6 Analysis of Phonon Dispersion in hexagonal Boron Nitride Films on Ni(111) and Pd(111) on the basis of Lattice Dynamics / p145 (0077.jp2)
  42. 6.1 Introduction / p145 (0077.jp2)
  43. 6.2 Model Hamiltonian and the assumption in the calculation / p146 (0078.jp2)
  44. 6.3 Force Constant Model for h-BN/Ni(111) / p151 (0080.jp2)
  45. 6.4 Shell Model / p161 (0085.jp2)
  46. 6.5 Reproduction of the measured dispersion curves of h-BN/Pd(111) based on FCM / p164 (0087.jp2)
  47. 6.6 Summary / p168 (0089.jp2)
  48. Chapter7 Phonons of the Monolayer Films of Hexagonal Boron Nitride and Graphite on Faceted Ni(755) / p169 (0089.jp2)
  49. 7.1 Introduction / p169 (0089.jp2)
  50. 7.2 Substrate used in this study / p173 (0091.jp2)
  51. 7.3 Process of the graphite formation / p174 (0092.jp2)
  52. 7.4 LEED patterns from Ni(755) covered with monolayer graphite and estimated structure model / p177 (0093.jp2)
  53. 7.5 HREEL spectra of the faceted(755)surface covered with the films of graphite and h-BN / p180 (0095.jp2)
  54. 7.6 HREEL spectra and AES data obtained after heating the faceted surface covered with h-BN / p182 (0096.jp2)
  55. 7.7 Consideration concerning the interfacial bond / p184 (0097.jp2)
  56. 7.8 Summary / p188 (0099.jp2)
  57. Chapter8 Changes in Phonons of Monolayer h-BN Films for the Air Exposures / p189 (0099.jp2)
  58. 8.1 Introduction / p189 (0099.jp2)
  59. 8.2 STM patterns of h-BN on Ni and Pt(111) surfaces after an air exposure / p190 (0100.jp2)
  60. 8.3 Changes in h-BN films due to the air exposure at room temperature / p192 (0101.jp2)
  61. 8.4 HREEL spectra of the air-exposed h-BN on Ni and Pt(111) as a function of increasing temperature / p199 (0104.jp2)
  62. 8.5 Consideration on the mechanism of the energy shift observed in the TO⊥ phonon in the air-exposed h-BN/Ni(111) / p203 (0106.jp2)
  63. 8.6 HREEL spectra of h-BN/Ni(111) exposed to the atmospheres of oxygen,ethylene,and water / p208 (0109.jp2)
  64. 8.7 Consideration on the coexisting TO⊥ phonons in the air-exposed h-BN/Ni(111) with thepostanneal treatment / p212 (0111.jp2)
  65. 8.8 Summary / p215 (0112.jp2)
  66. Chapter9 Conclusion / p217 (0113.jp2)
  67. 9.1 Summary 6f this study / p217 (0113.jp2)
  68. 9.2 For further study / p220 (0115.jp2)
  69. Reference / p223 (0116.jp2)
  70. Acknowledgment / p229 (0119.jp2)
  71. Publication List / p233 (0121.jp2)
4アクセス

各種コード

  • NII論文ID(NAID)
    500000173651
  • NII著者ID(NRID)
    • 8000000173927
  • DOI(NDL)
  • NDL書誌ID
    • 000000337965
  • データ提供元
    • NDL-OPAC
    • NDLデジタルコレクション
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