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The cooling dielectric spectra of the -relaxation in dimethyl phthalate, diethyl phthalate, dibutyl phthalate, and dioctyl phthalate series materials are measured, and the average relaxation time of the -relaxation a as a function of temperature T is obtained. By fitting the a data to the empirical Vogel-Fulcher-Tammann law a = 0 exp (A/(T-T0)), the values of 0, A and T0 of the series materials are obtained. The results of 0, A, T0 and Tg show some variation regularities with the carbon number n in the side-group of dimethyl phthalate series molecules. And specifically, with the increase of n, the internal degrees of freedoms of the molecules, A and Tg indicate almost the same tendencies, i.e. first coming down and then going up, while 1/0 and T0 have quite similar behaviors, i.e. first reducing rapidly and then keeping at near constant values.
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Keywords:
- glass transition /
- dielectric spectra /
- -relaxation /
- dimethyl phthalate series
[1] Anderson P W 1995 Science 267 1615
[2] Liu Y H, Wang G, Wang R J, Zhao D Q, Pan M X, Wang W H 2007 Science 315 1385
[3] Zhao Z F, Wen P, Sheck C H, Wang W H 2007 Phys. Rev. B 75 174201
[4] Huang Y N,Wang C J, Riande E 2005 J. Chem. Phys. 122 144502
[5] Lunkenheimer P, Schneider U, Brand R, Loidl A 2000 Contemp. Phys. 41 15
[6] Brand R, Lunkenheimer P, Loidl A 2002 J. Chem. Phys. 116 10386
[7] Lunkenheimer P, Loidl A 2006 J. Non-Cryst. Solids 352 4556
[8] Huang Y N, Saiz E, Ezquerra T A 2002 Macromolecules 35 1785
[9] Weeks E R, Crocker J C, Levitt A C, Schofield A ,Weitz D A 2000 Science 287 627
[10] Pouligny B, Malzbender R, Ryan P, Clark N A 1990 Phys. Rev. B 42 988
[11] Glotzer S C 2000 J. Non-Cryst. Solids 274 342
[12] Wu W H, Zhang J L, Zhou H W, Huang Y N, Zhang L, Ying X N 2008 Appl. Phys. Lett. 92 011918
[13] Zhang J L, Zhou H W, Wu W H, Huang Y N 2008 Appl. Phys. Lett. 92 131906
[14] Zhang L L, Zhang J L, Jiang J G, Zhou H W, Huang Y N 2008 Acta Phys. Sin. 57 5817 (in Chinese) [张丽丽, 张晋鲁, 蒋建国, 周恒为, 黄以能 2008 57 5817]
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[16] Guo X Z, Zhou H W, Zhang L L, Wu W H, Zhang J L, Huang Y N 2010 Acta Phys. Sin. 59 417 (in Chinese) [郭秀珍, 周恒为, 张丽丽, 吴文慧, 张晋鲁, 黄以能 2010 59 417]
[17] Zhou H W, Wang L N, Guo X Z, Wu N N, Zhang L, Zhang J L, Huang Y N 2010 Acta Phys. Sin. 59 2120 (in Chinese) [周恒为, 王丽娜, 郭秀珍, 吴娜娜, 张丽, 张晋鲁, 黄以能 2010 59 2120]
[18] Zhou X M, Chen X M, Wu X B, Shui J P, Zhu Z G 2001 Acta Phys. Sin. 60 036102 (in Chinese) [周学懋, 陈晓萌, 吴学邦, 水嘉鹏, 朱震刚 2011 60 036102]
[19] Huang Y N,Wang C J, Ngai K L,Wang Y N, Riande E 2001 Phys. Rev. E 64 041202
[20] Huang Y N, Wang Y N, Riande E 1999 J. Chem. Phys. 111 8503
[21] Ying Y N, Yuan Y H, Zhang L, Huang Y N 2006 Rev. Sci. Instru. 77 053902
[22] Dixon P K 1990 Phys. Rev. B 42 8179
[23] Sterner E S, Rosol Z P, Gross E M 2009 J. Appl. Polym. Sci. 114 2963
[24] Yin Z W 2003 Dielectrics Physics (Beijing: Scientific Publication) (2nd Ed.) (in Chinese) [殷之文 2003 电介质物理 (第二版) (北京: 科学出版社)]
[25] Vogel H 1921 Phys. Z 22 645
[26] Fulcher G S 1925 J. Am. Ceram. Soc. 8 339
[27] Tammann G, Hesse W 1926 Z. Anorg. Allg. Chem. 156 245
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[1] Anderson P W 1995 Science 267 1615
[2] Liu Y H, Wang G, Wang R J, Zhao D Q, Pan M X, Wang W H 2007 Science 315 1385
[3] Zhao Z F, Wen P, Sheck C H, Wang W H 2007 Phys. Rev. B 75 174201
[4] Huang Y N,Wang C J, Riande E 2005 J. Chem. Phys. 122 144502
[5] Lunkenheimer P, Schneider U, Brand R, Loidl A 2000 Contemp. Phys. 41 15
[6] Brand R, Lunkenheimer P, Loidl A 2002 J. Chem. Phys. 116 10386
[7] Lunkenheimer P, Loidl A 2006 J. Non-Cryst. Solids 352 4556
[8] Huang Y N, Saiz E, Ezquerra T A 2002 Macromolecules 35 1785
[9] Weeks E R, Crocker J C, Levitt A C, Schofield A ,Weitz D A 2000 Science 287 627
[10] Pouligny B, Malzbender R, Ryan P, Clark N A 1990 Phys. Rev. B 42 988
[11] Glotzer S C 2000 J. Non-Cryst. Solids 274 342
[12] Wu W H, Zhang J L, Zhou H W, Huang Y N, Zhang L, Ying X N 2008 Appl. Phys. Lett. 92 011918
[13] Zhang J L, Zhou H W, Wu W H, Huang Y N 2008 Appl. Phys. Lett. 92 131906
[14] Zhang L L, Zhang J L, Jiang J G, Zhou H W, Huang Y N 2008 Acta Phys. Sin. 57 5817 (in Chinese) [张丽丽, 张晋鲁, 蒋建国, 周恒为, 黄以能 2008 57 5817]
[15] Zhou H W, Zhang J L, Huang Y N, Ying X N, Zhang L, Wu W H, Shen Y F 2007 Acta Phys. Sin. 56 6547 (in Chinese) [周恒为, 张晋鲁, 黄以能, 应学农, 张亮, 吴文惠, 沈异凡 2007 56 6547]
[16] Guo X Z, Zhou H W, Zhang L L, Wu W H, Zhang J L, Huang Y N 2010 Acta Phys. Sin. 59 417 (in Chinese) [郭秀珍, 周恒为, 张丽丽, 吴文慧, 张晋鲁, 黄以能 2010 59 417]
[17] Zhou H W, Wang L N, Guo X Z, Wu N N, Zhang L, Zhang J L, Huang Y N 2010 Acta Phys. Sin. 59 2120 (in Chinese) [周恒为, 王丽娜, 郭秀珍, 吴娜娜, 张丽, 张晋鲁, 黄以能 2010 59 2120]
[18] Zhou X M, Chen X M, Wu X B, Shui J P, Zhu Z G 2001 Acta Phys. Sin. 60 036102 (in Chinese) [周学懋, 陈晓萌, 吴学邦, 水嘉鹏, 朱震刚 2011 60 036102]
[19] Huang Y N,Wang C J, Ngai K L,Wang Y N, Riande E 2001 Phys. Rev. E 64 041202
[20] Huang Y N, Wang Y N, Riande E 1999 J. Chem. Phys. 111 8503
[21] Ying Y N, Yuan Y H, Zhang L, Huang Y N 2006 Rev. Sci. Instru. 77 053902
[22] Dixon P K 1990 Phys. Rev. B 42 8179
[23] Sterner E S, Rosol Z P, Gross E M 2009 J. Appl. Polym. Sci. 114 2963
[24] Yin Z W 2003 Dielectrics Physics (Beijing: Scientific Publication) (2nd Ed.) (in Chinese) [殷之文 2003 电介质物理 (第二版) (北京: 科学出版社)]
[25] Vogel H 1921 Phys. Z 22 645
[26] Fulcher G S 1925 J. Am. Ceram. Soc. 8 339
[27] Tammann G, Hesse W 1926 Z. Anorg. Allg. Chem. 156 245
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