Contributors ................................................... xi
Introduction ................................................... xv
1 Chemical synthesis of metal nanoparticles and nanoalloys ..... 1
Sherif Moussa, Victor Abdelsayed, M.S. El Shall
1.1 Introduction ............................................ 1
1.2 Brief overview of nucleation and growth from the vapor
phase ................................................... 4
1.3 Nucleation and growth from supersaturated solutions ..... 6
1.4 Experimental methods .................................... 7
1.5 Selected examples of chemically-synthetized
nanoalloys ............................................. 10
1.6 An application of nanoalloys in catalysis .............. 21
1.7 Conclusions ............................................ 31
Acknowledgment .............................................. 31
2 Physical preparation of nanoalloys .......................... 39
Fumitaka Mafuné, Ken Miyajima, Mushtaq Ahmed Sobhan
2.1 Gas phase clusters ..................................... 40
2.2 Colloidal nanoparticles dispersed in liquid ............ 50
2.3 Conclusion ............................................. 66
3 Modeling the electronic and geometric structure of
nanoalloys .................................................. 75
Andrés Aguado
3.1 Introduction ........................................... 75
3.2 Computational methods for the study of nanoalloys ...... 78
3.3 Structure and chemical order in binary nanoalloys ...... 83
3.4 Impurity-doped clusters: the dilute limit .............. 91
3.5 Electronic effects on geometric structure .............. 93
3.6 Thermal effects on geometric structure ................. 96
3.7 Supported nanoalloys and environmental effects on
geometric structure .................................... 98
3.8 Electronic properties of nanoalloys ................... 100
3.9 Stability of nanoalloys ............................... 102
3.10 Summary and outlook ................................... 104
Acknowledgments ............................................ 105
4 Experimental techniques for structural characterization .... 113
Sergio Mejía-Rosales, Arturo Ponce, Miguel José-Yacamán
4.1 Introduction .......................................... 113
4.2 Imaging techniques .................................... 115
4.3 Scanning probe microscopy ............................. 116
4.4 Conventional and scanning transmission electron
microscopy ............................................ 121
4.5 Final remarks ......................................... 142
Acknowledgments ............................................ 142
5 Thermodynamical properties of nanoalloys ................... 147
Zbigniew Kaszkur
5.1 General remarks ....................................... 147
5.2 Properties of nanoalloys differing from the bulk
alloys—finite size and grain boundary effects ......... 150
5.3 Order-disorder transitions in nanoalloys .............. 158
5.4 Nanoscale phase diagrams .............................. 159
5.5 Melting of nanoalloys ................................. 163
6 Kinetic aspects: nucleation, mixing, coalescence ........... 175
Riccardo Ferrando
6.1 Introduction .......................................... 175
6.2 Nucleation ............................................ 177
6.3 Intermixing kinetics .................................. 179
6.4 Freezing of liquid droplets ........................... 180
6.5 Atom-by-atom growth in gas phase ...................... 181
6.6 Formation through coalescence in gas phase ............ 194
6.7 Growth in liquid phase ................................ 196
6.8 Conclusions ........................................... 198
7 Optical probes of the chemical structure in metallic
nanoalloys ................................................. 203
E. Cottancin, M. Pellarin
7.1 Introduction .......................................... 203
7.2 Background ............................................ 205
7.3 Optical absorption of metallic nanoalloys ............. 213
7.4 Nonlinear optical response of metallic nanoalloys ..... 225
7.5 Conclusion ............................................ 237
Acknowledgments ............................................ 238
8 Magnetic properties of transition-metal nanoalloys ......... 247
J. Dorantes-Dávila, G.M. Pastor
8.1 Introduction .......................................... 247
8.2 Theoretical background ................................ 251
8.3 Structural, electronic and magnetic properties
of small Fe-Rh clusters ............................... 257
8.4 Tailoring the magnetic anisotropy of Co-Rh
nanoalloys ............................................ 264
8.5 One-dimensional alloys: Co and Ni impurities in Cu
wires ................................................. 268
8.6 Conclusion ............................................ 271
Acknowledgments ............................................ 273
9 Reactivity and catalysis by nanoalloys ..................... 283
Dominique Bazin, Ioana Fechete, Francois Garin, Giovanni
Barcaro, Fabio R. Negreiros, Luca Sementa, Alessandro
Fortunelli
9.1 Introduction .......................................... 284
9.2 Theoretical methods ................................... 286
9.3 Structural characterization of nanoalloys ............. 298
9.4 Catalytic properties of nanoalloys .................... 310
9.5 Bridging nanoscience to surface science to
understand heterogeneous catalysis .................... 324
9.6 Conclusions and perspectives .......................... 326
10 Biomedical applications of nanoalloys ...................... 345
Karrina McNamara, Syed A.M. Tofail
10.1 Introduction .......................................... 345
10.2 Classification and current applications of
nanoalloys ............................................ 346
10.3 Important considerations for biomedical applications
of nanoalloys ......................................... 348
10.4 Biomedical applications of selected nanosystems ....... 350
10.5 A comparison between NiTi alloy and NiTi nanoalloy .... 361
10.6 Conclusions ........................................... 364
11 Self-assembly of nanoalloys ................................ 373
H. Brune, A. Courty, C. Petit and V. Repain
11.1 Introduction .......................................... 373
11.2 Chemical routes ....................................... 374
11.3 Physical routes ....................................... 386
11.4 Conclusion and perspectives ........................... 399
Index ......................................................... 407
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