Splitting of the Incommensurate–Commensurate Phase Transition of NH4HSeO4 Crystals Under Uniaxial Mechanical Stress

Styrkowiec, R.; Sysło, W. A.; Wieczorek, A.; Czapla, Z.

doi:10.1002/pssa.2211210258

Cited by 5 publications

(1 citation statement)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A strong electric field splits the transition from the incommensurate to the commensurate phase in the (NH 4 ) 2 BeF 4 crystal [28]. Moreover, the splitting of the phase transition under the effect of uniaxial mechanical stress was found in NH 4 HSeO 4 crystals [29] and (NH 4 ) 2 ZnCl 4 [30].…”

Section: Splitting Of the Phase Transitionmentioning

confidence: 91%

Influence of uniaxial stress on ultrasonic wave propagation near the phase transition in a TGSe crystal

Tylczyñski

Karaev²,

Mróz³

2000

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

Changes in the velocity and attenuation coefficient of quasilongitudinal waves propagating in a TGSe crystal in the directions z' = z-4° and x, induced by uniaxial stress σx and σy, were measured in the temperature range of the ferroelectric phase transition. The uniaxial stress applied was found to shift the phase transition temperature by ∂TC/∂σx = -0.074 and ∂TC/∂σy = -0.18 K MPa-1. Other effects appearing under the influence of external stress, such as a change in the jump of the wave velocity at the phase transition, increase in the attenuation coefficient and broadening of the phase transition range, are discussed on the basis of the phenomenological theory. The relaxation time of the order parameter fluctuations was determined. For stress exceeding 2 MPa an additional anomaly in the wave velocity and attenuation appeared, which was interpreted as a splitting of the phase transition. The nonlinear elastic effects at the phase transition, in the para- and ferroelectric phases, are also discussed.

show abstract

Section: Splitting Of the Phase Transitionmentioning

confidence: 91%

Influence of uniaxial stress on ultrasonic wave propagation near the phase transition in a TGSe crystal

Tylczyñski

Karaev²,

Mróz³

2000

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

show abstract

Dielectric and pyroelectric properties of NH₄HSeO₄under uniaxial mechanical stress

Styrkowiec

Sysło

1992

Phase Transitions

View full text Add to dashboard Cite

Splitting of permittivity maximum of NH₄HSeO₄under mechanical stress and electric field

Styrkowiec

Sysło

1994

Phase Transitions

View full text Add to dashboard Cite

Splitting of the Incommensurate–Commensurate Phase Transition of NH4HSeO4 Crystals Under Uniaxial Mechanical Stress

Cited by 5 publications

References 9 publications

Influence of uniaxial stress on ultrasonic wave propagation near the phase transition in a TGSe crystal

Influence of uniaxial stress on ultrasonic wave propagation near the phase transition in a TGSe crystal

Dielectric and pyroelectric properties of NH₄HSeO₄under uniaxial mechanical stress

Splitting of permittivity maximum of NH₄HSeO₄under mechanical stress and electric field

Contact Info

Product

Resources

About

Splitting of the Incommensurate–Commensurate Phase Transition of NH4HSeO4 Crystals Under Uniaxial Mechanical Stress

Cited by 5 publications

References 9 publications

Influence of uniaxial stress on ultrasonic wave propagation near the phase transition in a TGSe crystal

Influence of uniaxial stress on ultrasonic wave propagation near the phase transition in a TGSe crystal

Dielectric and pyroelectric properties of NH4HSeO4under uniaxial mechanical stress

Splitting of permittivity maximum of NH4HSeO4under mechanical stress and electric field

Contact Info

Product

Resources

About

Dielectric and pyroelectric properties of NH₄HSeO₄under uniaxial mechanical stress

Splitting of permittivity maximum of NH₄HSeO₄under mechanical stress and electric field