Mechanical aging behavior of oriented Pb(Mg1/3Nb2/3)O3-PbTiO3 and Pb(Zn1/3Nb2/3)O3-PbTiO3 single crystals

Shashank Priya; Jungho Ryu; K. Uchino; D. Viehland

doi:10.1063/1.1410335

Mechanical aging behavior of oriented Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ and Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ single crystals

Shashank Priya, Jungho Ryu, K. Uchino, D. Viehland

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

The aging characteristics of 〈001〉-oriented Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃(PZN-PT) and Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃(PMN-PT) single crystals have been studied under electrical and mechanical drive. A significant increase in hysteretic loss and decrease in piezoelectric constant were observed under continuous excitation. Systematic investigations of piezoelectric aging were then performed using a novel mechanical fatigue method. Piezocrystals were placed between two magnetostrictive plates and clamped. Periodic longitudinal compressive stresses were generated by applying magnetic fields. At both short and long times, the piezoelectric constant was found to decrease slowly. However, in an intermediate range, a pronounced decrease was observed over a narrow time range. The dynamics of aging have been shown to scale to a hierarchical relaxation process, typical of disordered systems such as random field and glassy states.

Original language	English (US)
Pages (from-to)	2624-2626
Number of pages	3
Journal	Applied Physics Letters
Volume	79
Issue number	16
DOIs	https://doi.org/10.1063/1.1410335
State	Published - Oct 15 2001

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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title = "Mechanical aging behavior of oriented Pb(Mg1/3Nb2/3)O3-PbTiO3 and Pb(Zn1/3Nb2/3)O3-PbTiO3 single crystals",

abstract = "The aging characteristics of 〈001〉-oriented Pb(Zn1/3Nb2/3)O3-PbTiO3(PZN-PT) and Pb(Mg1/3Nb2/3)O3-PbTiO3(PMN-PT) single crystals have been studied under electrical and mechanical drive. A significant increase in hysteretic loss and decrease in piezoelectric constant were observed under continuous excitation. Systematic investigations of piezoelectric aging were then performed using a novel mechanical fatigue method. Piezocrystals were placed between two magnetostrictive plates and clamped. Periodic longitudinal compressive stresses were generated by applying magnetic fields. At both short and long times, the piezoelectric constant was found to decrease slowly. However, in an intermediate range, a pronounced decrease was observed over a narrow time range. The dynamics of aging have been shown to scale to a hierarchical relaxation process, typical of disordered systems such as random field and glassy states.",

author = "Shashank Priya and Jungho Ryu and K. Uchino and D. Viehland",

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AU - Priya, Shashank

AU - Ryu, Jungho

AU - Uchino, K.

AU - Viehland, D.

PY - 2001/10/15

Y1 - 2001/10/15

N2 - The aging characteristics of 〈001〉-oriented Pb(Zn1/3Nb2/3)O3-PbTiO3(PZN-PT) and Pb(Mg1/3Nb2/3)O3-PbTiO3(PMN-PT) single crystals have been studied under electrical and mechanical drive. A significant increase in hysteretic loss and decrease in piezoelectric constant were observed under continuous excitation. Systematic investigations of piezoelectric aging were then performed using a novel mechanical fatigue method. Piezocrystals were placed between two magnetostrictive plates and clamped. Periodic longitudinal compressive stresses were generated by applying magnetic fields. At both short and long times, the piezoelectric constant was found to decrease slowly. However, in an intermediate range, a pronounced decrease was observed over a narrow time range. The dynamics of aging have been shown to scale to a hierarchical relaxation process, typical of disordered systems such as random field and glassy states.

AB - The aging characteristics of 〈001〉-oriented Pb(Zn1/3Nb2/3)O3-PbTiO3(PZN-PT) and Pb(Mg1/3Nb2/3)O3-PbTiO3(PMN-PT) single crystals have been studied under electrical and mechanical drive. A significant increase in hysteretic loss and decrease in piezoelectric constant were observed under continuous excitation. Systematic investigations of piezoelectric aging were then performed using a novel mechanical fatigue method. Piezocrystals were placed between two magnetostrictive plates and clamped. Periodic longitudinal compressive stresses were generated by applying magnetic fields. At both short and long times, the piezoelectric constant was found to decrease slowly. However, in an intermediate range, a pronounced decrease was observed over a narrow time range. The dynamics of aging have been shown to scale to a hierarchical relaxation process, typical of disordered systems such as random field and glassy states.

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Mechanical aging behavior of oriented Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ and Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ single crystals

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