[1] [1] Jain R K, Lind R C. Degenerate four-wave mixing in semicond uctor-doped in glass. J. Opt. Soc. Am., 1983, 73(5):64 7～653

[2] [2] Gan Fuxi. Laser spectroscopy of some semiconductor microcrystallites . J. Non-Cryst. Solids, 1991, 129(2):299～310

[3] [3] Chestnoy N, Harris T D, Hull R et al.. Luminescence and photoph ysics of CdSe semiconductor clusters: The nature of the emitting electronic states. J. Phys. Chem., 1986, 90(7):3393～3399

[4] [4] Wang Y, Herron N. Chemical effects on the optical properties of semi conductor particles. J. Phys. Chem., 1987, 91(10):5005～5 008

[5] [5] Yu B L, Zhang G L, Chen W J. Third-order optical nonlinear properti es of SnO2 nanoparticles. Acta Physica Sinica (Overseas Ed.), 1996, 5(5):377～383

[6] [6] Kayanuma Y, Kuroda K. Quantum crystallites and nonlinear optics. Appl. Phys. A, 1991, 53(4):465～474

[7] [7] Eagles D M. Polar modes of lattice vibration and polaron coupling co nstants in rutile. J. Phys. Chem. Solids, 1964, 25(5):12 43～1251

[8] [8] Arlinghaus F J. Energy band in stantic oxide (SnO2). J. Phys. Chem. Solids, 1974, 35(7):931～935

[10] [10] Mills G, Li Z G, Meisel D. Photochemistry and spectroscopy of colloidal As2S3. J. Phys. Chem., 1988, 92(6):822～ 828

[11] [11] Takagahara T. Effects of dielectric confinement and electron-hole exchange interaction on excitonic states in semiconductor quantum dots. Phys. Rev. (B), 1993, 47(8):4569～4584

[12] [12] Kayanuma Y. Quantum-size effects of interacting electrons and hole s in semiconductor microcrystals with spherical shape. Phys. Rev. (B), 198 8, 38(8):9797～9805

[13] [13] Mcroberts R D, Fonstad C G, Hubert D. Thermoabsorption in SnO2. Phys. Rev. (B), 1974, 10(4):5213～5219

[14] [14] Woggen U. Optical transitions in CdSe quantum dots: Form discrete l evels to broad gain spectra. J. Luminescence, 1996, 70(1-6 ):269～280

[15] [15] Kang K I, Mcginnis B P. Confinement-induced valence-band mixing i n CdS quantum dots by two-photon spectroscopy. Phys. Rev. (B), 1992, 45(3):3465～3468

[16] [16] Hanamura E. Very large optical nonlinearity of semiconductor microc rystallites. Phys. Rev. (B), 1988, 37(2):1273～1279