Non-Kolmogorov-Avrami switching kinetics in ferroelectric thin films

Tagantsev, A. K.; Stolichnov, Igor; Setter, N.; Cross, Jeffrey S.; Tsukada, Masaru

doi:10.1103/physrevb.66.214109

Cited by 448 publications

(402 citation statements)

References 21 publications

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“…The observed essential dispersion of characteristic local switching time is in accordance with a model proposed for the explanation of the switching behavior in PZT thin films taking into account a distribution of the switching time [15].…”

Section: Characterizationsupporting

confidence: 61%

Spatial heterogeneity of piezoelectric properties in fatigued lead zirconate titanate ceramics

Zhang

Xiang-rong

et al. 2013

Phys. Status Solidi A

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A spatial non-uniformity of the switching properties during the fatigue cycling in lead zirconate titanate ceramics was investigated by a quasi-static piezoelectric and a polarization switching measurements. The agreement between the local piezoelectric properties and the switching behavior of segmented samples was demonstrated. The observed spatial variation of the properties and its evolution with cycle number provides clear evidence of the presence of heterogeneous regions that possess a local fatigue state and the local switching behavior. These results can be explained as a result of the buildup of the spatially non-uniform field and the formation of frozen domains in the ceramics during cycling. The statistical analysis of spatial variation of the switching properties and its evolution with cycle number provides the evidence that the heterogeneity of the switching properties during the fatigue cycling in lead zirconate titanate ceramics is mostly related to the non-uniform change of the local characteristic switching time.

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Section: Characterizationsupporting

confidence: 61%

Spatial heterogeneity of piezoelectric properties in fatigued lead zirconate titanate ceramics

Zhang

Xiang-rong

et al. 2013

Phys. Status Solidi A

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“…Previously we elucidated that the polarization switching process in BTAs is nucleation-limited and highly dispersive with a broad log-normal distribution of switching times. [35,55,56] The effect of disorder, corresponding to the wider switching time distribution, was more significant for BTA-C18 compared to BTA-C10. [35] The grazing-incidence WAXS (GIWAXS) measurement results for BTA-C10 and BTA-C18 also evinced the disordered nature of the materials, especially those having long alkyl chains.…”

Section: Wwwadvelectronicmatdementioning

confidence: 99%

Tuning the Ferroelectric Properties of Trialkylbenzene‐1,3,5‐tricarboxamide (BTA)

Urbanavičiūtė

Meng

Cornelissen

et al. 2017

Adv Elect Materials

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This study demonstrates how simple structural modification of a prototypical organic ferroelectric molecule can be used to tune its key ferroelectric properties. In particular, it is found that shortening the alkyl chain length of trialkylbenzene-1,3,5-tricarboxamide (BTA) from C18H37 to C6H13 causes an increase in depolarization activation energy (approximate to 1.1-1.55 eV), coercive field (approximate to 25-40 V mu m(-1)), and remnant polarization (approximate to 20-70 mC m(-2)). As the polarization enhancement far exceeds the geometrically expected factor, these observations are attributed to an increase in the intercolumnar interaction. The combination of the mentioned characteristics results in a record polarization retention time of close to three months at room temperature for capacitor devices of the material having the shortest alkyl chain. The long retention and the remnant polarization that is as high as that of P(VDF:TrFE) distinguish the BTA-C6 material from other small molecular organic ferroelectrics and make it a perspective choice for applications that require cheap, flexible, and lightweight ferroelectrics.

Funding Agencies|NWO Nano program; Vetenskapsradet; Swedish Government Strategic Research Area in Materials Science on Functional Materials at the Linkping University (Faculty Grant SFO Mat LiU) [2009 00971]

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“…5,6 Dissimilar distribution functions of switching times in ferroelectric films with different microstructure are the root cause for qualitatively different time-dependent switching behavior described either by the statistical Kolmogorov−Avrami−Ishibashi model 7,8 or nucleation limited kinetics. 9,10 In the case of ferroelectric nanostructures, the switching behavior is further complicated by a delicate balance between surface and bulk energy, e.g., interfacial strain, asymmetry of electrical boundary conditions, surface depolarization energy, and so forth. Electron and scanning probe microscopy studies made a crucial contribution toward comprehensive understanding of the microstructural aspects of the ferroelectric switching.…”

mentioning

confidence: 99%

High-Resolution Studies of Domain Switching Behavior in Nanostructured Ferroelectric Polymers

Sharma¹,

Reece²,

Ducharme³

et al. 2011

Nano Lett.

116

109

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Non-Kolmogorov-Avrami switching kinetics in ferroelectric thin films

Cited by 448 publications

References 21 publications

Spatial heterogeneity of piezoelectric properties in fatigued lead zirconate titanate ceramics

Spatial heterogeneity of piezoelectric properties in fatigued lead zirconate titanate ceramics

Tuning the Ferroelectric Properties of Trialkylbenzene‐1,3,5‐tricarboxamide (BTA)

High-Resolution Studies of Domain Switching Behavior in Nanostructured Ferroelectric Polymers

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