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Optical Second-Harmonic Polarimetry on Hf0.5Zr0.5O2/La0.67Sr0.33MnO3 Interfaces Optical Second-Harmonic Polarimetry on Hf0.5Zr0.5O2/La0.67Sr0.33MnO3 Interfaces AITranslate

Qiucheng Yu; Rohit Kumar; Deepak Kumar; Alessia Sambri; Fabio Miletto Granozio; Ignasi Fina; Florencio Sánchez; Domenico Paparo; Andrea Rubano
Dipartimento di Fisica “E. Pancini”, Università Federico II;Dipartimento di Fisica “E. Pancini”, Università Federico II;CNR-SPIN, Complesso Universitario di Monte S. Angelo;CNR-SPIN, Complesso Universitario di Monte S. Angelo;CNR-SPIN, Complesso Universitario di Monte S. Angelo;Institut de Ciència de Materials de Barcelona ICMAB - CSIC, Campus UAB;Institut de Ciència de Materials de Barcelona ICMAB - CSIC, Campus UAB;CNR-ISASI, Via Campi Flegrei 34;Dipartimento di Fisica “E. Pancini”, Università Federico II
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Abstract AITranslate

The interface-induced second-harmonic generation from ferroelectric hafnium–zirconium oxide (Hf0.5Zr0.5O2) epitaxial thin films, buffered with a La0.67Sr0.33MnO3 bottom electrode, is analyzed as a function of input and output polarization angles and the azimuthal angle of the sample for several film thicknesses. It is shown that the signal is generated mainly from the buffer side of the interface, rather than from the ferroelectric side. However, the ferroelectric film affects significantly the nonlinear optical properties of the underlying ferromagnetic buffer electrode. Several mechanisms accounting for these observations are discussed, from oxygen migration, to an electrostatic effect, including a possible modulation of the La0.67Sr0.33MnO3 magnetization by the upper ferroelectric film.

KeyWords AITranslate

secondharmonic generation 2D ferroelectrics hafnium oxide thin films nonlinear optics
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DOI：https://doi.org/10.1021/acsaelm.2c00197

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Citation Information:

The interface-induced second-harmonic generation from ferroelectric hafnium–zirconium oxide (Hf0.5Zr0.5O2) epitaxial thin films, buffered with a La0.67Sr0.33MnO3 bottom electrode, is analyzed as a function of input and output polarization angles and the azimuthal angle of the sample for several film thicknesses. It is shown that the signal is generated mainly from the buffer side of the interface, rather than from the ferroelectric side. However, the ferroelectric film affects significantly the nonlinear optical properties of the underlying ferromagnetic buffer electrode. Several mechanisms accounting for these observations are discussed, from oxygen migration, to an electrostatic effect, including a possible modulation of the La0.67Sr0.33MnO3 magnetization by the upper ferroelectric film.

quote

GB/T 7714-2015 [1] Qiucheng Yu, Rohit Kumar, Deepak Kumar, et al. ACS Applied Electronic Materials, 2022(4). DOI:10.1021/acsaelm.2c00197.
MLA [1] Qiucheng Yu, et al., ACS Applied Electronic Materials, no. 4, 2022, https://doi.org/10.1021/acsaelm.2c00197.
APA [1] Qiucheng Yu, Rohit Kumar, Deepak Kumar, Alessia Sambri, Fabio Miletto Granozio, Ignasi Fina, Florencio Sánchez, Domenico Paparo, & Andrea Rubano. (2022). ACS Applied Electronic Materials(4). https://doi.org/10.1021/acsaelm.2c00197
IEEE [1] Qiucheng Yu, Rohit Kumar, Deepak Kumar, Alessia Sambri, Fabio Miletto Granozio, Ignasi Fina, Florencio Sánchez, Domenico Paparo, and Andrea Rubano, ACS Applied Electronic Materials, no. 4, 2022, doi: 10.1021/acsaelm.2c00197. keywords: {secondharmonic generation 2D ferroelectrics hafnium oxide thin films nonlinear optics}