Ultrafast Giant Photostriction of Epitaxial Strontium Iridate Film with Superior Endurance

Jan-Chi Yang, Yi De Liou, Wen Yen Tzeng, Heng Jui Liu, Yao Wen Chang, Ping Hua Xiang, Zaoli Zhang, Chun Gang Duan, Chih Wei Luo, Yi-Chun Chen, Ying Hao Chu

Research output: Contribution to journalArticle

Abstract

Photostriction, optical stimulus driven mechanical deformation in materials, provides a solution toward next-generation technology. Here, the giant photostriction (∼2% change of lattice) of epitaxial strontium iridate (SrIrO 3 ) films under illumination at room temperature is revealed via power-dependent Raman scattering, which is significantly larger as compared to conventional inorganic materials. The time scale and mechanism of this giant photostriction in SrIrO 3 are further studied through time-resolved transient reflectivity measurements. The main mechanism is determined to be the electron-phonon coupling. In addition, we find that such an exotic behavior happens within few picoseconds and remains up to 10 7 cyclic on/off operations. The observation of giant photostriction in SrIrO 3 films with superior endurance promises the advance of shape responsive solids that are sensitive to environmental stimuli, which could be widely utilized for multifunctional optoelectronics and optomechanical devices.

Original languageEnglish
Pages (from-to)7742-7748
Number of pages7
JournalNano Letters
Volume18
Issue number12
DOIs
Publication statusPublished - 2018 Dec 12

Fingerprint

Strontium
endurance
strontium
stimuli
Durability
inorganic materials
Optoelectronic devices
Raman scattering
Lighting
illumination
Raman spectra
reflectance
Electrons
room temperature
electrons
Temperature

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Yang, J-C., Liou, Y. D., Tzeng, W. Y., Liu, H. J., Chang, Y. W., Xiang, P. H., ... Chu, Y. H. (2018). Ultrafast Giant Photostriction of Epitaxial Strontium Iridate Film with Superior Endurance. Nano Letters, 18(12), 7742-7748. https://doi.org/10.1021/acs.nanolett.8b03435
Yang, Jan-Chi ; Liou, Yi De ; Tzeng, Wen Yen ; Liu, Heng Jui ; Chang, Yao Wen ; Xiang, Ping Hua ; Zhang, Zaoli ; Duan, Chun Gang ; Luo, Chih Wei ; Chen, Yi-Chun ; Chu, Ying Hao. / Ultrafast Giant Photostriction of Epitaxial Strontium Iridate Film with Superior Endurance. In: Nano Letters. 2018 ; Vol. 18, No. 12. pp. 7742-7748.
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Yang, J-C, Liou, YD, Tzeng, WY, Liu, HJ, Chang, YW, Xiang, PH, Zhang, Z, Duan, CG, Luo, CW, Chen, Y-C & Chu, YH 2018, 'Ultrafast Giant Photostriction of Epitaxial Strontium Iridate Film with Superior Endurance', Nano Letters, vol. 18, no. 12, pp. 7742-7748. https://doi.org/10.1021/acs.nanolett.8b03435

Ultrafast Giant Photostriction of Epitaxial Strontium Iridate Film with Superior Endurance. / Yang, Jan-Chi; Liou, Yi De; Tzeng, Wen Yen; Liu, Heng Jui; Chang, Yao Wen; Xiang, Ping Hua; Zhang, Zaoli; Duan, Chun Gang; Luo, Chih Wei; Chen, Yi-Chun; Chu, Ying Hao.

In: Nano Letters, Vol. 18, No. 12, 12.12.2018, p. 7742-7748.

Research output: Contribution to journalArticle

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