2018
DOI: 10.1002/aelm.201800174
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Giant Piezoelectric Response in Superionic Polar Semiconductor

Abstract: by lead zirconate titanate [Pb(Zr,Ti)O 3 or PZT],are the most widely used materials for applications. [5][6][7] From the viewpoint of the sustainable development of the world, many efforts have been devoted to the development of lead-free piezoelectric materials, [5][6][7] but its achievement is still challenging. Scientific research activities seem to be culminated, and a new guideline to a future research direction is required. [1] In this work, we newly propose a relatively conductive polar semiconductor as… Show more

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Cited by 12 publications
(11 citation statements)
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References 38 publications
(81 reference statements)
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“…For the MPE measurement, we used a laser Doppler vibrometer equipped with a liquidnitrogen optistat for low-temperature measurements [21]. The laser Doppler vibrometry allows for non-contact detection of subpicometer-level tiny vibrations [32][33][34][35] by measuring the Doppler frequency shift of the scattered light from the sample using a two-beam laser interferometer. This technique has been widely used in room-temperature experiments for the characterization of piezoelectric thin films [34,35] and for the detection of small cantilever oscillations with resonant frequencies [36].…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…For the MPE measurement, we used a laser Doppler vibrometer equipped with a liquidnitrogen optistat for low-temperature measurements [21]. The laser Doppler vibrometry allows for non-contact detection of subpicometer-level tiny vibrations [32][33][34][35] by measuring the Doppler frequency shift of the scattered light from the sample using a two-beam laser interferometer. This technique has been widely used in room-temperature experiments for the characterization of piezoelectric thin films [34,35] and for the detection of small cantilever oscillations with resonant frequencies [36].…”
Section: Methodsmentioning
confidence: 99%
“…1 to applied electric currents were detected using the Doppler effect of red laser (wavelength of 633 nm) irradiated through a quartz window of the optistat. By combining the laser Doppler vibrometer with a fast Fourier transform (FFT) analyzer [32][33][34][35], we obtained a frequency spectrum of the vibration velocity of the sample. The obtained velocity was then numerically integrated with respect to time using the FFT analyzer, and finally the frequency dependence of the vibration amplitude of the sample was obtained.…”
Section: Methodsmentioning
confidence: 99%
“…The MPE effect may be applicable in the field of the antiferromagnetic spintronics [106][107][108]. Furthermore, the MPE materials may be useful for metal piezoelectric devices [109,110]. Finally, we discuss a dichromatic transport of electrons.…”
Section: B Magnetopiezoelectric Effectmentioning
confidence: 99%
“…The search for piezoelecric materials thereby has been carried out with insulators and semiconductors. Nevertheless, the realization of highly-conductive piezoelectric materials could offer new applications of piezoelectricity because of their compatibility with electrical circuits [8].…”
mentioning
confidence: 99%