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List of Figures xi 5.12. Resulting Gibbs free energies of EuO/Si interface reactions involving SiO 2 during EuO synthesis ................................... 101 5.13. Resulting Gibbs free energies of EuO/Si interface reactions involving Europium hydroxide ........................................ 102 5.14. Free energy of nucleation ΔG(j) for different saturations Δμ ........... 103 5.15. Surface processes for a magnetic oxide on Si deposition ............. 104 5.16. Si (001) surface reconstructions ........................... 105 5.17. Hydrogen termination of the clean Si (001) surface ................ 106 5.18. Surface and interface structure of EuO on Si (001) and on H-passivated Si (001) 107 5.19. The EuO/H-Si interface analyzed by peak fitting of the HAXPES Si 2p core-levels109 5.20. Quantitative results of the EuO/H-Si silicide analysis ............... 110 5.21. Magnetic properties of EuO on H-Si dependent on synthesis temperature ... 110 5.22. Eu monolayers on top of the Si (001) surface under surface diffusion ...... 112 5.23. The EuO/Eu-Si interface analyzed by RHEED and HAXPES of Si 2p and 1s core-levels ....................................... 113 5.24. Quantitative results of the SiO x analysis in EuO/Eu-Si .............. 114 5.25. The EuO/Si interface with a combined minimization of silicides and SiO x ... 115 5.26. The EuO/Si interface: summary of silicide, SiO x , and the combined minimization117 5.27. Magnetic properties of EuO on passivated Si (001) under controlled addition of silicide ........................................ 118 5.28. Consistent peak fit analysis of the SiO x -passivated EuO/Si (001) interface using Si and Eu core-levels ............................... 119 5.29. Quantification of the SiO x passivation and silicides at the EuO/SiO x -Si interface by HAXPES .................................... 120 5.30. Magnetic properties of epitaxial EuO/Si hybrids with SiO x passivation ..... 121 A.1. EuO in relation to the substrates YSZ (001), MgO (001), LAO (100), and Si (001) 127 A.2. Structure and (001) plane of yttria-stabilized zirconia (YSZ) ........... 129 A.3. Rhombohedral and pseudo cubic structure of LaAlO3 (LAO) .......... 129 A.4. In situ Auger analysis of the Si (001) surface with different types of hydrogen passivation ....................................... 131
Page 1 and 2: Member of the Helmholtz Association
Page 4 and 5: Forschungszentrum Jülich GmbH Pete
Page 6: Zusammenfassung In dieser Doktorarb
Page 10 and 11: Contents 1. Introduction 1 2. Theor
Page 12 and 13: List of Figures 2.1. Phase diagram
Page 16: List of Tables 2.1. Photoemission f
Page 19 and 20: 2 1. Introduction Ferromagnetic oxi
Page 21 and 22: 4 1. Introduction EuO heterostructu
Page 23 and 24: 6 2. Theoretical background Figu
Page 25 and 26: 8 2. Theoretical background mole of
Page 27 and 28: 10 2. Theoretical background 2.2.2.
Page 29 and 30: 12 2. Theoretical background such a
Page 31 and 32: 14 2. Theoretical background Hybrid
Page 33 and 34: 16 2. Theoretical background well.
Page 35 and 36: 18 2. Theoretical background
Page 37 and 38: 20 2. Theoretical background the si
Page 39 and 40: 22 2. Theoretical background E F =0
Page 41 and 42: 24 2. Theoretical background or eve
Page 43 and 44: 26 2. Theoretical background I. Pho
Page 45 and 46: 28 2. Theoretical background III. T
Page 47 and 48: 30 2. Theoretical background must d
Page 49 and 50: 32 2. Theoretical background
Page 51 and 52: 34 2. Theoretical background 2 LS-c
Page 53 and 54: 36 3. Experimental details
Page 55 and 56: 38 3. Experimental details pressure
Page 57 and 58: 40 3. Experimental details a very g
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48 3. Experimental details coordina
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50 3. Experimental details electron
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52 3. Experimental details Fi
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54 3. Experimental details Fig. 3.1
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56 3. Experimental details does not
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58 4. Results I: Single-crystalline
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86 5. Results II: EuO integration d
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100 5. Results II: EuO integration
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124 6. Conclusion and Outlook we fo
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A. Appendix A.1. Properties of EuO-
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Table A.2.: Cubic oxides as substra
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130 A. Appendix The MgO and Si cubi
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Bibliography [1] G. Binasch, P. Gr
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134 Bibliography [25] A. Schmehl, V
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136 Bibliography [49] M. Arnold and
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138 Bibliography [77] H. Hertz. Üb
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140 Bibliography [103] L. Plucinski
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142 Bibliography [130] W. Braun. Ap
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144 Bibliography [158] K. Kobayashi
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146 Bibliography [184] B. Sinković
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148 Bibliography [211] D. Wandner,
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List of own publications [1] Casper
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List of conference contributions [1
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Acknowledgement . . . These days, i
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Schriften des Forschungszentrums J
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