Ph.D. thesis (pdf) - dirac

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166 Boson Peak 3 2.5 S(ω) [arb. unit] 2 1.5 1 0.5 0 0 2 4 6 8 10 12 ω [meV] Figure 8.19: The S(ω) of DHIQ at T =100 K and T = T g = 180 K at atmospheric pressure. At T g there is quasi-elastic scattering which essentially makes the boson peak invisible.
8.3. Boson Peak and fragility 167 2 1.5 S(ω) [arb. unit] 1 0.5 0 0 5 10 15 ω [meV] Figure 8.20: The S(ω) of sorbitol at T = T g = 273 K atmospheric pressure. Sorbitol is a fragile liquid which has a well resolved boson peak in contradiction with the expectation based on the correlation between inverse boson peak intensity and fragility.
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THÈSE présentée par Kristine NIS
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Acknowledgement First of all I woul
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Contents Abstract iii Acknowledgeme
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CONTENTS ix 9 Summarizing discussio
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2 Introduction fragility with other
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Résumé du chapitre 2 De manière
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8 Slow and fast dynamics glass. The
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10 Slow and fast dynamics energy in
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12 Slow and fast dynamics increasin
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14 Slow and fast dynamics (linear)
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16 Slow and fast dynamics The dynam
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18 Slow and fast dynamics T > T 2
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20 Slow and fast dynamics as theore
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22 Slow and fast dynamics and sugge
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24 Slow and fast dynamics The boson
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26 Slow and fast dynamics modulus 3
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Chapter 3 What we learn from pressu
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3.2. Empirical scaling law and some
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3.3. Correlations with fragility 37
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3.4. Temperature dependences 39 mea
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3.5. Summary 41 assumption that the
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Chapter 4 Experimental techniques a
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4.2. Dielectric spectroscopy 47 4.1
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4.2. Dielectric spectroscopy 49 fie
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4.3. Inelastic Scattering Experimen
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Page 79:
Résumé du chapitre 5 La relaxatio
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72 Alpha Relaxation the dielectric
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74 Alpha Relaxation Measuring the c
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76 Alpha Relaxation 4 2 0 This work
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78 Alpha Relaxation for the 1 s iso
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80 Alpha Relaxation log10(τ α ) 2
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82 Alpha Relaxation 2 1 0 216.4K th
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84 Alpha Relaxation function has a
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86 Alpha Relaxation 2.5 2.5 2 2 log
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88 Alpha Relaxation 0.4 log 10 Im(
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90 Alpha Relaxation keeping the rel
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92 Alpha Relaxation correlation bet
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Chapter 6 High Q collective modes I
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6.1. Inelastic X-ray scattering 97
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6.2. Sound speed and attenuation 99
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6.3. Nonergodicity factor 105 where
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6.3. Nonergodicity factor 107 1 0.9
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6.3. Nonergodicity factor 109 high
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6.4. Nonergodicity factor and fragi
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6.4. Nonergodicity factor and fragi
Page 125 and 126: 6.4. Nonergodicity factor and fragi
Page 127 and 128: 6.5. Summary 117 d log (e(ρ))/ d l
Page 129: Résumé du chapitre 7 Dans ce chap
Page 132 and 133: 122 Mean squared displacement colle
Page 134 and 135: 124 Mean squared displacement 1.5 I
Page 136 and 137: 126 Mean squared displacement 1.4 1
Page 138 and 139: 128 Mean squared displacement a cen
Page 140 and 141: 130 Mean squared displacement cumen
Page 142 and 143: 132 Mean squared displacement / a
Page 144 and 145: 134 Mean squared displacement I P i
Page 146 and 147: 136 Mean squared displacement as be
Page 149: Résumé du chapitre 8 Le pic de bo
Page 152 and 153: 142 Boson Peak The FEC-model sugges
Page 154 and 155: 144 Boson Peak the Qout Q in factor
Page 156 and 157: 146 Boson Peak We are mainly intere
Page 158 and 159: 148 Boson Peak 1.5 x 10−3 ω [meV
Page 160 and 161: 150 Boson Peak comparison of the ev
Page 162 and 163: 152 Boson Peak In figure 8.6 we sho
Page 164 and 165: 154 Boson Peak Predictions/explanat
Page 166 and 167: 156 Boson Peak meaning that the Deb
Page 168 and 169: 158 Boson Peak g(ω)/ω 2 [arb. uni
Page 170 and 171: 160 Boson Peak are equivalent becau
Page 172 and 173: 162 Boson Peak m P /m ρ 2 1.8 1.6
Page 174 and 175: 164 Boson Peak S(ω) [arb.unit] S(
Page 178 and 179: 168 Boson Peak perature effect on t
Page 181 and 182: Chapter 9 Summarizing discussion Wh
Page 183 and 184: 173 temperature in the harmonic app
Page 185: Chapter 10 Perspectives In this wor
Page 188 and 189: 178 BIBLIOGRAPHY Angell, C. A. [199
Page 190 and 191: 180 BIBLIOGRAPHY Casalini, R. and R
Page 192 and 193: 182 BIBLIOGRAPHY Farago, B., Arbe,
Page 194 and 195: 184 BIBLIOGRAPHY Inamura, Y., Arai,
Page 196 and 197: 186 BIBLIOGRAPHY Monaco, A., Chumak
Page 198 and 199: 188 BIBLIOGRAPHY Patkowski, A., Gap
Page 200 and 201: 190 BIBLIOGRAPHY Sekula, M., Pawlus
Page 203 and 204: Appendix A Details on the samples T
Page 205 and 206: A.1. Cumene 195 the value found fro
Page 207 and 208: A.2. PIB 197 The temperature depend
Page 209 and 210: A.4. DBP 199 peak differently at di
Page 211 and 212: A.6. Other samples 201 NH 2 tempera
Page 213 and 214: Appendix B Data compilations B.1 Da
Page 215 and 216: B.1. Data compilation 205 DHIQ = De
Page 217 and 218: B.1. Data compilation 207 Triphenyl
Page 219 and 220: Appendix C Dielectric setup Figure
Page 222: Abstract The degree of departure fr
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