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DC field induced antiferroelectric phase transition in bulk, single crystal strontium titanate

Spartak Gevorgian (Institutionen för mikroelektronik och nanovetenskap) ; Anders Eriksson ; Peter Petrov ; Peter Linnér (Institutionen för mikroelektronik och nanovetenskap) ; G Lövestam
Integrated Ferroelectrics (1058-4587). Vol. 33 (2001), 1-4, p. 323-329.
[Artikel, refereegranskad vetenskaplig]

Dielectric hysteresis in bulk, single crystal SrTiO3 (STO) with YBa2Cu3O7. x(YBCO) electrodes is studied experimentally at 77K. In contrast with previously reported experiments [1], [2] the antiferroelectric phase transition is observed at higher temperature (i.e. 77K). The phase transition is observed where the crystal is cooled either with short circuited or with open circuited electrodes. The phase transition does not result in detectable changes in the microwave losses.

Nyckelord: Strontium Titanate, antiferroelectric, phase transition



Denna post skapades 2015-02-10.
CPL Pubid: 212366

 

Institutioner (Chalmers)

Institutionen för mikroelektronik och nanovetenskap (1900-2003)

Ämnesområden

Den kondenserade materiens fysik

Chalmers infrastruktur