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Updated: Jan 11, 2026

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

High-efficiency third harmonic generation at 355nm based on La2CaB10O19.

Jianxiu Zhang¹, Lirong Wang, Yang Wu

¹Beijing Center for Crystal Research and Development, Key Laboratory of Functional Crystals and Laser Technology, Chinese Academy of Sciences, Beijing, China.

|September 22, 2011

Summary

Lanthanum Calcium Borate (La2CaB10O19) crystals exhibit excellent third-harmonic generation performance. This non-hygroscopic material shows promise as a UV nonlinear optical material.

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Area of Science:

Materials Science
Optics
Solid State Physics

Background:

Nonlinear optical (NLO) materials are crucial for frequency conversion in laser systems.
Developing efficient and robust NLO crystals for ultraviolet (UV) applications remains a key research area.
La2CaB10O19 (LCB) is explored for its potential NLO properties.

Purpose of the Study:

To grow large La2CaB10O19 (LCB) crystals.
To characterize the optical and nonlinear optical properties of LCB.
To evaluate the third-harmonic generation (THG) performance of LCB for UV light generation.

Main Methods:

Top-seeded solution growth (TSSG) method for crystal growth.
Measurement of refractive indices and second-order nonlinear optical coefficients.

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Last Updated: Jan 11, 2026

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

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Maker fringe technique for coefficient determination.

Calculation of phase-matching (PM) conditions for THG.

Experimental THG performance evaluation under picosecond and nanosecond laser pumping.

Main Results:

Large LCB crystals (up to 55 × 35 × 25 mm3) were successfully grown.
Accurate refractive indices and NLO coefficients were determined.
Type I LCB demonstrated THG efficiencies of 28.3% (picosecond) and 17.5% (nanosecond).
Type II LCB achieved THG efficiencies of 21.1% (picosecond) and 7.9% (nanosecond).
LCB exhibits good THG performance and non-hygroscopic nature.

Conclusions:

La2CaB10O19 (LCB) crystals possess significant potential for UV nonlinear optical applications.
The demonstrated THG performance makes LCB a promising candidate for frequency conversion.
LCB's non-hygroscopic property enhances its suitability for practical device applications.