Dynamics of polar clusters in PMN ceramics: Comparison with PMN single crystal

被引：14
作者：
Grigalaitis, R.
Banys, J.
Sternberg, A.
Bormanis, K.
Zauls, V.
机构：
[1] Vilnius Univ, Fac Phys, LT-10222 Vilnius, Lithuania
[2] Univ Latvia, Inst Solid State Phys, LV-1063 Riga, Latvia
来源：
FERROELECTRICS | 2006年 / 340卷
关键词：
relaxor ferroelectric; PMN; polar nano regions; distribution of relaxation times;
D O I：
10.1080/00150190600889221
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
dielectric permittivity of PMN ceramics was measured in the frequency range from 20 Hz to 37 GHz. From the frequency dependence of the real and imaginary parts of dielectric permittivity, the distribution of relaxation times f (tau) was calculated. The f (tau) function broadens significantly, and the second maximum appears below the 270 K temperature. The dielectric response and also relaxation time distribution of PMN ceramics was compared with the previous results of PMN single crystal. The results showed that dynamics of polar nano regions in PMN ceramics is suppressed due to the small size of grains in the ceramics.
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收藏
页码：147 / 153
页数：7
相关论文
共 13 条
  • [1] Dynamic dielectric susceptibility of the betaine phosphate (0.15) betaine phosphite (0.85) dipolar glass -: art. no. 144113
    Banys, J
    Lapinskas, S
    Kajokas, A
    Matulis, A
    Klimm, C
    Völkel, G
    Klöpperpieper, A
    [J]. PHYSICAL REVIEW B, 2002, 66 (14) : 1 - 8
  • [2] Comparison of the dielectric response of relaxor PbMg1/3Nb2/3O3 ceramics and single crystals
    Bovtun, V
    Veljko, S
    Savinov, M
    Pashkin, A
    Kamba, S
    Petzelt, J
    [J]. INTEGRATED FERROELECTRICS, 2005, 69 : 3 - 10
  • [3] Central-peak components and polar soft mode in relaxor PbMg1/3Nb2/3O3 crystals
    Bovtun, V
    Kamba, S
    Pashkin, A
    Savinov, M
    Samoukhina, P
    Petzelt, J
    Bykov, IP
    Glinchuk, MD
    [J]. FERROELECTRICS, 2004, 298 : 23 - 30
  • [4] LONG-TIME RELAXATION OF THE DIELECTRIC RESPONSE IN LEAD MAGNONIOBATE
    COLLA, EV
    KOROLEVA, EY
    OKUNEVA, NM
    VAKHRUSHEV, SB
    [J]. PHYSICAL REVIEW LETTERS, 1995, 74 (09) : 1681 - 1684
  • [5] A STRUCTURAL MODEL FOR THE RELAXOR PBMG1/3NB2/3O3 AT 5-K
    DEMATHAN, N
    HUSSON, E
    CALVARIN, G
    GAVARRI, JR
    HEWAT, AW
    MORELL, A
    [J]. JOURNAL OF PHYSICS-CONDENSED MATTER, 1991, 3 (42) : 8159 - 8171
  • [6] Phonons in PbMg1/3Nb2/3O3 measured by inelastic neutron scattering
    Dorner, B
    Ivanov, AS
    Vakhrushev, S
    Lushnikov, S
    Gvasaliya, S
    Strauch, D
    Schmalzl, K
    [J]. FERROELECTRICS, 2003, 282 : 9 - 19
  • [7] Distribution of relaxation times in PMN single crystal
    Grigalaitis, R
    Banys, J
    Kania, A
    Slodczyk, A
    [J]. JOURNAL DE PHYSIQUE IV, 2005, 128 : 127 - 131
  • [8] Grigas J., 1996, Microwave Dielectric Spectroscopy of Ferroelectrics and Related Materials
  • [9] Soft and central mode behaviour in PbMg1/3Nb2/3O3 relaxor ferroelectric
    Kamba, S
    Kempa, M
    Bovtun, V
    Petzelt, J
    Brinkman, K
    Setter, N
    [J]. JOURNAL OF PHYSICS-CONDENSED MATTER, 2005, 17 (25) : 3965 - 3974
  • [10] Glassy freezing in relaxor ferroelectric lead magnesium niobate
    Levstik, A
    Kutnjak, Z
    Filipic, C
    Pirc, R
    [J]. PHYSICAL REVIEW B, 1998, 57 (18) : 11204 - 11211
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