[1] Sigalas M M and Economou E N 1992 J. Sound Vib.
158 377

[2] Ni Q and Cheng J C 2005 Chin. Phys. Lett. 22
2305

[3] Liu Z Y, Zhang X , Mao Y, Zhu Y Y, Yang Z, Chan C T and
Sheng P 2000 Science 289 1734

[4] Yablonovitch E 1987 Phys. Rev. Lett. 58 2059

[5] Song B S, Noda S and Asano T 2003 Science 300
1537

[6] Wu F G, Liu Z Y and Liu Y Y 2002 Phys. Rev. E
66 046628

[7] Zhong L H, Wu F G, Zhang X , Zhong H L and Zhong S 2005
Phys. Lett. A 339 164

[8] Min R, Wu F G, Zhong L H, Zhong H L and Zhong S 2006
J. Phys. D: Appl. Phys. 39 2272

[9] Goffaux C and Vigneron J P 2001 Physica B 296
195

[10] Kushwaha M S and Djafari-Rouhani B 1996 J. Appl.
Phys. 80 3191

[11] Biswas R, Sigalas M M and Ho K M 2002 Phys. Rev. B
65 205121

[12] Kushwaha M S and Halevi P 1997 J. Acoust. Soc. Am.
101 619

[13] Chen H Y, Luo X D and Ma H R 2007 Phys. Rev. B
75 024306

[14]Zhang X, Liu Z Y, Liu Y Y and Wu F G 2003 Phys.
Lett. A 313 455

[15]Caballero D, Sanchez-Dehesa J, Rubio C, M\'artinez-Sala
R, S\'anchez-P\'erez J V, Meseguer F and Llinares J 1999
Phys. Rev. E 60 6316

[16]Xu Z L, Wu F G, Mu Z F, Zhang X and Yao Y W 2007 J.
Phys. D: Appl. Phys. 40 5584

[17] Ramprasad R and Shi N 2005 Appl. Phys. Lett.
87 111101

[18] Vasseury J O, Djafari-Rouhaniy B, Dobrzynskiy L and
Deymierz P A 1997 J. Phys. Condens. Matter 9 7327

[19] Huang F and He Z 2007 Appl. Acoust. 26 107
(in Chinese)

[20] Mu Z F, Wu F G, Zhang X and Zhong H L 2007 Acta
Phys. Sin. 56 4694 (in Chinese)