Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system

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Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system. / Acosta, Matias; Liu, Na; Deluca, Marco et al.
in: Journal of applied physics, Jahrgang 117.2015, Nr. 13, 06.04.2015, S. 134106.

Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)

Harvard

Acosta, M, Liu, N, Deluca, M, Heidt, S, Ringl, I, Dietz, C, Stark, RW & Jo, W 2015, 'Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system', Journal of applied physics, Jg. 117.2015, Nr. 13, S. 134106. https://doi.org/10.1063/1.4916719

APA

Acosta, M., Liu, N., Deluca, M., Heidt, S., Ringl, I., Dietz, C., Stark, R. W., & Jo, W. (2015). Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system. Journal of applied physics, 117.2015(13), 134106. https://doi.org/10.1063/1.4916719

Vancouver

Acosta M, Liu N, Deluca M, Heidt S, Ringl I, Dietz C et al. Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system. Journal of applied physics. 2015 Apr 6;117.2015(13):134106. doi: 10.1063/1.4916719

Author

Acosta, Matias ; Liu, Na ; Deluca, Marco et al. / Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system. in: Journal of applied physics. 2015 ; Jahrgang 117.2015, Nr. 13. S. 134106.

Bibtex - Download

@article{1ef459dec23b4c8a96e0caf93b432393,
title = "Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system",
abstract = "he morphotropic phase boundary composition Bi1/2Na1/2TiO3-20 mol. % Bi1/2K1/2TiO3 was chosen as initial material to do selective A-site aliovalent doping replacing Na and K by 1 at. % La, respectively. The materials were studied macroscopically by measuring dielectric and electromechanical properties. The Na-replaced material has a lower freezing temperature Tfr, lower remanent polarization and remanent strain, and thus a higher degree of ergodicity than the K-replaced material. These results are contrasted with local poling experiments and hysteresis loops obtained from piezoresponse force microscopy. The faster relaxation of the tip-induced local polarization and the lower remanent state in bias-on and -off loops confirm the higher degree of ergodicity of the Na-replaced material. The difference in functional properties is attributed to small variations in chemical pressure achieved through selective doping. Raman results support this working hypothesis.",
author = "Matias Acosta and Na Liu and Marco Deluca and Sabrina Heidt and Ines Ringl and Christian Dietz and Stark, {Robert W.} and Wook Jo",
year = "2015",
month = apr,
day = "6",
doi = "10.1063/1.4916719",
language = "English",
volume = "117.2015",
pages = "134106",
journal = "Journal of applied physics",
issn = "0021-8979",
publisher = "American Institute of Physics",
number = "13",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 system

AU - Acosta, Matias

AU - Liu, Na

AU - Deluca, Marco

AU - Heidt, Sabrina

AU - Ringl, Ines

AU - Dietz, Christian

AU - Stark, Robert W.

AU - Jo, Wook

PY - 2015/4/6

Y1 - 2015/4/6

N2 - he morphotropic phase boundary composition Bi1/2Na1/2TiO3-20 mol. % Bi1/2K1/2TiO3 was chosen as initial material to do selective A-site aliovalent doping replacing Na and K by 1 at. % La, respectively. The materials were studied macroscopically by measuring dielectric and electromechanical properties. The Na-replaced material has a lower freezing temperature Tfr, lower remanent polarization and remanent strain, and thus a higher degree of ergodicity than the K-replaced material. These results are contrasted with local poling experiments and hysteresis loops obtained from piezoresponse force microscopy. The faster relaxation of the tip-induced local polarization and the lower remanent state in bias-on and -off loops confirm the higher degree of ergodicity of the Na-replaced material. The difference in functional properties is attributed to small variations in chemical pressure achieved through selective doping. Raman results support this working hypothesis.

AB - he morphotropic phase boundary composition Bi1/2Na1/2TiO3-20 mol. % Bi1/2K1/2TiO3 was chosen as initial material to do selective A-site aliovalent doping replacing Na and K by 1 at. % La, respectively. The materials were studied macroscopically by measuring dielectric and electromechanical properties. The Na-replaced material has a lower freezing temperature Tfr, lower remanent polarization and remanent strain, and thus a higher degree of ergodicity than the K-replaced material. These results are contrasted with local poling experiments and hysteresis loops obtained from piezoresponse force microscopy. The faster relaxation of the tip-induced local polarization and the lower remanent state in bias-on and -off loops confirm the higher degree of ergodicity of the Na-replaced material. The difference in functional properties is attributed to small variations in chemical pressure achieved through selective doping. Raman results support this working hypothesis.

U2 - 10.1063/1.4916719

DO - 10.1063/1.4916719

M3 - Article

VL - 117.2015

SP - 134106

JO - Journal of applied physics

JF - Journal of applied physics

SN - 0021-8979

IS - 13

ER -

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