Field-induced effects and ferroelectric critical endpoint in (K0.95Li0.05)(Nb1–x
Ta
x
)O3 single crystals
Makoto Iwata,
Shouma Tagata,
Tomoya Koketsu
et al.
Abstract:Dielectric permittivities under dc biasing fields in the temperature range between –169 and 75°C have been investigated in (K0.95Li0.05)(Nb1–x
Ta
x
)O3 (KLNT–x, x = 71 and 74%). Field-induced ferroelectric phase transitions in KLNT–x have been clarified in the dc field applied along the [001]c direction (in the cubic coordinate). The ferroelectric critical endpoints in KLNT–71% and KLNT–74% have been determined to be 43.5°C, 3.0 kV/cm, and 30.3°C, 2.0 … Show more
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