[1] Tian Z Q. J. Raman Spectrosc., 2005, 36: 466.
[2] Moskovits M. Rev. of Modern Phys., 1985, 57(3): 783.
[3] Otto A, Mrozek I, Grabhorn H, et al. J. Phys.: Condens. Matter, 1992, 4: 1143.
[4] Bougeard D, Hamaguchi H, Ziegler L D. J. Raman Spectrosc., 2003, 34: 97.
[5] Tian Z Q, Ren B. Annu. Rev. Phys. Chem., 2004, 55: 197.
[6] Tian Z Q, Ren B, Li J F, et al. Chem. Comm., 2007, (34): 3514.
[7] Haynes C L, McFarland A D, Van Duyne R P. Anal. Chem., 2005, 77: 338A.
[8] Pettinger B, Picardi G, Schuster R, et al. Single Mol., 2002, 3(5-6): 285.
[9] Hering K, Cialla D, Ackermann K, et al. Anal. Bioanal. Chem., 2008, 390: 113.
[11] Dieringer J A, McFarland A D, Shah N C, et al. Faraday Discuss. 2006, 132: 9.
[12] Alvarez-Puebla R A, Dos Santos D S, Aroca R F. Analyst, 2007, 132: 1210.
[13] Haes A J, Chang L, Klein W L, et al. J. Am. Chem. Soc., 2005, 127: 2264.
[14] Natan M J. Faraday Discuss., 2006, 132: 321.
[15] Wang J A, Zhu T, Zhang X, et al. Acta Phy.-Chim. Sin., 1999, 15(5): 476.
[16] Njoki P N, Lim II S, Mott D, et al. J. Phys. Chem. C, 2007, 111: 14664.
[17] Freeman R G, Bright R M, Hommer M B, et al. J. Raman Spectrosc., 1999, 30: 733.
[18] Krug II J T, Wang G D, Emory S R, et al. J. Am. Chem. Soc., 1999, 121: 9208.
[19] Wei A, Kim B, Sadtler B, et al. Chem. Phys. Chem, 2001, 2: 743.
[20] Brown K R, Natan M J. Langmuir, 1998, 14: 726.
[21] Frens G. Nature Phys. Sci., 1973, 241: 20.
[22] Fang P P, Li J F, Yang Z L, et al. J. Raman Spectrosc., 2008, 39: 1679.
[23] Zeman E J, Schatz G C. J. Phys. Chem., 1987, 91: 634.
[24] Yee K S. IEEE Trans. Antennas. Propag, 1966, AP14(3): 302.
[25] Kunz K S, Luebbers R J. The Finite Difference Time Domain Method for Electromagnetics, Boca Raton: CRC Press, LLC, 1993.
[26] Krug II J T, Sanchez E J, Xie X S. J. Chem. Phys., 2002, 116: 10895.
[27] Sullivan D M. Electromagnetic Simulation Using the FDTD method. New York: IEEE Press, 2000.
[29] Kreibig U, Vollmer M. Optical Properties of Metal Clusters. Berlin: Springer, 1995.
[30] Link S, El-Sayed M A. J. Phys. Chem. B, 1999, 103: 4212.
[31] Tian Z Q, Yang Z L, Ren B, et al. Topics in Appl. Phys., 2006, 103: 125.
