N

Na,CM (see Alkali metal fullerides) Nanotechnology, 870, 901-904 interconnects, 903

molecular manipulation, 901, 902, 904 nanotubes, 903, 904 Nanotubes BN, 814

carbon (see Carbon nanotubes) Neutron scattering, 189, 190, 200 neutron diffraction, 20, 34, 60, 65, 174, 180, 186, 189, 190, 200, 202, 245, 246, 252

neutron inelastic scattering (NIS), 69, 88, 174, 184, 186, 331, 332, 338, 347-355, 357, 359, 360, 365, 366, 367-368, 388-390, 393-395, 597, 644, 840 New materials synthesis, 897-898, 901,

909-911 Nitrogen doping, 41, 233 Nitrogen lone pair, 895 NO gas, 889

Nonlinear processes, 375, 464, 540, 544-548,

870-872, 877, 909 Nonlinear optics, 464, 544-548, 871-873, 909 absorption, 546, 547, 871-873

applications, 871-873, 909

damage threshold, 548

degenerate four wave mixing (DFWM),

544-547, 877 dependence on light intensity, 545, 871 electric field-induced second harmonic generation, 544, 548 excited state grating, 546 films, 544, 546 Im(^„), 545, 547 interference grating, 544 optical limiting (see Optical properties) polarizability, 544 polarization vector, 544, 545 resonant enhancement, 546 second harmonic generation, 548 solutions, 544, 546, 871 third harmonic generation, 544, 547 third order electric susceptibility (see

Xxxxx)

two photon process, 546, 872 Nonradiative transition, 480 Nuclear magnetic resonance (NMR), 6, 12, 34, 48, 60-63, 72, 73, 104, 108, 121, 168, 198-200, 207, 246, 257, 258, 296, 305, 307, 308, 314, 324, 452, 635-638, 654-669, 684, 748-750, 752, 753, 895 bond lengths, 440, 654, 656 13C, 246, 305, 637, 654, 655, 667-669 chemical shift, 246, 656, 659-662, 749

tensor, 661, 667, 669 C70, 654, 655, 657-661 C76, 655

133Cs, 637, 655, 657, 663, 667, 668 conduction electron effects, 664, 667 contact term, 664

density of states determination, 585, 665 determination of molecular diameter, 62, 63

dipolar coupling, 656, 662, 664, 665 dopant locations, 246, 258, 654-658 electric quadrupole moment, 654 Fermi contact term, 585 gas phase, 658 gyromagnetic ratio, 660, 665 >H, 305, 668, 669, 753, 895 Hebel-Slichter peak, 636, 637, 666, 684

Nuclear magnetic resonance (continued) higher mass fullerenes, 655 hyperfine interaction, 664, 665 isotope effects, 108, 654 39K, 559, 655, 656, 664 Knight shift, 560, 637, 638, 664, 666-668 Korringa relation, 664, 665 Larmor frequency, 660 line intensity, 656, 657, 662 lineshape, 657-659, 661, 668

anisotropy, 658, 659, 661, 662 linewidth, 657, 658, 661-663, 669 magic angle, 198, 657, 663, 664 magnetic field dependence, 666 molecular chirality, 655 molecular dynamics, 296, 654, 657-661, 669

molecular reorientation, 173, 174, 189,

199, 246, 659 molecular rotation axis, 660 molecular shape, 655 motional narrowing, 657, 662, 669 phase transition, 184, 188, 189, 198, 200,

658-661 paramagnetic behavior, 669 87Rb, 246, 637, 655, 657, 663, 667, 668 site location, 246, 258, 655-657, 663 solid, 658 solution, 655, 658 spin diffusion, 666 spin fluctuations, 663 spin-lattice relaxation, 188, 585, 635-638,

657-660, 663-666, 753 spin susceptibility, 637 stoichiometry of dopants, 305, 307, 654, 662-663

superconducting gap, 627, 633, 635-638,

654, 665, 666 superconducting phase, 654, 664-666 temperature dependence, 635-637,

657-659, 661, 664, 665 tetramethylsilane reference, 655, 659, 662, 667

Nucleophilic, 297, 299, 300, 304, 306, 314 Number nc in C„c, 69-72, 94, 144 Number of isomers, 71 Number of valence electrons, 94, 95

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