Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Carrier Generation and Recombination

Carrier Generation and Recombination

Carrier generation is the process by which electron-hole pairs (EHPs) are created within the semiconductor. In direct-bandgap semiconductors, such as gallium arsenide (GaAs), this occurs efficiently when energy absorption prompts valence electrons to leap into the conduction band, leaving behind holes.
This process is given by the generation rate G and is efficient due to the conservation of momentum between the valence band maximum and conduction band minimum.
Indirect generation involves an...

Imperfections in Crystal Structure: Stoichiometric Point Defects

Imperfections in Crystal Structure: Stoichiometric Point Defects

Schottky defects arise when some lattice points in a crystal, such as those in NaCl, remain unoccupied, creating lattice vacancies without disturbing the overall electrical neutrality of the crystal. This defect is common in ionic crystals where the positive and negative ions are similar in size, as seen in sodium chloride and cesium chloride. The presence of Schottky defects enables the crystal to conduct electricity to a small extent through an ionic mechanism. Electric fields cause nearby...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Opto-optical edge defect mitigation in solution-processed WSe<sub>2</sub> thin films for high-efficiency optical modulation.

Nature communications·2026

Same author

MuST: Multi-Scale Transformer Incorporating Hierarchical Attention and TCN for EEG Decoding.

IEEE journal of biomedical and health informatics·2026

Same author

Small Extracellular Vesicle External Surface Adiponectin-Mediated Adipocytes/Cardiomyocytes Communication in Diabetic Ischemic Heart Failure.

Circulation·2026

Same author

Integrated electro-optic digital-to-analog link for efficient computing and arbitrary waveform generation.

Nature photonics·2026

Same author

Systematic Survey of Guidelines With Recommendations Related to Concordant Multimorbidity: Diabetes, Coronary Heart Disease and Stroke as an Example.

Journal of evaluation in clinical practice·2026

Same author

<i>Aurkb</i> deficiency disrupts microglial development, homeostasis and hinders remyelination following cuprizone-induced demyelination.

iScience·2026

Search research articles

Related Experiment Video

Updated: Jun 25, 2026

Spark Plasma Sintering Apparatus Used for the Formation of Strontium Titanate Bicrystals

Spark Plasma Sintering Apparatus Used for the Formation of Strontium Titanate Bicrystals

Published on: February 9, 2017

Periodic Domain Inversion in Single Crystal Barium Titanate-on-Insulator Thin Film.

Pragati Aashna¹, Hong-Lin Lin¹, Yu Cao¹

¹Department of Electrical and Computer Engineering, National University of Singapore, Singapore, 117583, Singapore.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|September 19, 2024

Summary

This summary is machine-generated.

Researchers achieved electric field periodic poling in single-crystal barium titanate (BTO) thin films. This breakthrough enables quasi-phase-matching for enhanced nonlinear optical processes in integrated photonic devices.

Keywords:

barium titanate‐on‐insulators nonlinear frequency conversion nonlinear optical materials optoelectronics periodic poling quasi‐phase‐matching (QPM)

More Related Videos

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

Published on: March 27, 2018

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

Related Experiment Videos

Last Updated: Jun 25, 2026

Spark Plasma Sintering Apparatus Used for the Formation of Strontium Titanate Bicrystals

Spark Plasma Sintering Apparatus Used for the Formation of Strontium Titanate Bicrystals

Published on: February 9, 2017

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

Published on: March 27, 2018

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

Area of Science:

Materials Science
Photonics
Crystallography

Background:

Barium titanate (BTO) exhibits significant optical nonlinearities.
Previous BTO thin films were polycrystalline, limiting nonlinear process efficiency.
Quasi-phase-matching (QPM) is crucial for efficient nonlinear optics.

Purpose of the Study:

To achieve electric field periodic poling in single-crystal BTO thin films.
To enable quasi-phase-matching (QPM) in BTO-based photonic devices.
To advance the integration of BTO into photonic applications.

Main Methods:

Pulsed laser deposition (PLD) for BTO thin film growth on a dysprosium scandate substrate.
Strontium ruthenate used as a bottom electrode for electric field poling.
X-ray diffraction (XRD) and piezo-response force microscopy for film characterization.
Piezo force microscopy and scanning electron microscopy (SEM) for poling quality assessment.

Main Results:

Successful single-crystal, single-domain growth of BTO thin film demonstrated.
High-quality, uniform, and stable periodic poling achieved.
Poling exhibited a 50% duty cycle with periods from 2 µm to 10 µm.

Conclusions:

First-ever electric field periodic poling of single-crystal BTO thin film accomplished.
This achievement is a critical step towards realizing QPM in BTO photonic devices.
Enables highly efficient nonlinear optical processes, paving the way for integrated BTO photonics.