POTASSIUM TITANYL ARSENATE КTiOAsO4 (KTA)

Chemical formula: KTiOAsO4
Symmetry: 2mm
Density (g/cm3): 3.454
Mohs hardness: 5
Transparency range (μm): 0.35 – 5.3
Optical damage threshold (GW/cm2): >1.2 (1064 nm, 8 ns)
Refractive index: nx – 1.8083, ny– 1.8142, nz– 1.9048 (633 nm)
Nonlinear coefficients (pm/V): d31 = 2.76, d32 = 4.74
Surface quality: 10/5 (scratch/dig)
Flatness: λ/4 (546 nm)
Parallelism: < 30”

1. Atuchin V.V., Plotnikov A.E., Ziling C.C., Isaenko L.I., Tjurikov V.I. Cs:KTiOAsO4 Optical Ion-Echanged Waveguides. Proc. of SPIE 2969 (1996)
https://doi.org/10.1117/12.262652

2. Isaenko L.I., Merkulov A.A., Tjurikov V.I. and other. Growth and real structure of KTA crystals from self-fluxes. Journal of Crystal Growth 171 (1997) 146-153
https://www.sciencedirect.com/science/article/pii/S0022024896004836

3. Yelisseyev A.P., Isaenko L.I., Belov A.I., Merkulov A.A. Yb3+-doping of nonlinear KTiOAsO4 (KTA) single crystals. Journal of Crystal Growth 198-199 (1999) 155-159
https://www.sciencedirect.com/science/article/pii/S002202489801046X?via%3Dihub

4. Mashkovtsev R.I., Isaenko L.I. Electron paramagnetic resonance and optical absorption spectra of Rh impurity ion in KtiOAsO4 single crystal. Ferroelectrics 330 (2006) 85-92
https://www.tandfonline.com/doi/abs/10.1080/00150190600605643

5. C. V. Ramana, V. V. Atuchin, U. Becker, R. C. Ewing, L. I. Isaenko, O. Yu. Khyzhun, A. Merkulov, L. D. Pokrovsky, A. K. Sinelnichenko, and S. A. Zhurkov Low-Energy Ar+ Ion-Beam-Induced Amorphization and Chemical Modification of Potassium Titanyl Arsenate (001) Crystal Surfaces. The Journal of Physical Chemistry C 111 (2007) 2702-2708
https://pubs.acs.org/doi/abs/10.1021/jp0671392

6. V.V. Atuchin, L.I. Isaenko, O.Yu. Khyzhun, L.D. Pokrovsky, A.K. Sinelnichenko, S.A. Zhurkov. Structural and electronic properties of the KTiOAsO4 (001) surface. Optical Materials 30 (2008) 1149–1152
https://www.sciencedirect.com/science/article/abs/pii/S0925346707001838

7. O.Yu. Khyzhun, V.L. Bekenev, V.V. Atuchin, A.K. Sinelnichenko, L.I. Isaenko. Electronic structure of KTiOAsO4: A comparative study by the full potential linearized augmented plane wave method, X-ray emission spectroscopy and X-ray photoelectron spectroscopy. Journal of Alloys and Compounds 477 (2009) 768–775
https://www.sciencedirect.com/science/article/abs/pii/S0925838808018070?via%3Dihub

8. A.R. Akhmatkhanov, M.A. Chuvakova, I.A. Kipenko, N.A. Dolgushin, D.B. Kolker, V.N. Vedenyapin, L.I. Isaenko, V.Ya. Shur. Abnormal kinetics of domain structure in KTA single crystals. Applied Physics Letters 115 (2019) 212901
https://aip.scitation.org/doi/10.1063/1.5125842

9. L.I. Isaenko, A.P. Eliseev, D.B. Kolker, V.N. Vedenyapin, S.A. Zhurkov, E.Yu. Erushin, N.Yu. Kostyukova, A.A. Boiko, V.Ya. Shur, A.R. Akhmatkhanov, M.A. Chuvakova. Influence of growth temperature of KTiOAsO4 single crystals on their physicochemical parameters and formation of domain structures. Quantum Electronics 50 (2020) 788-792
https://iopscience.iop.org/article/10.1070/QEL17265

10. A.R. Akhmatkhanov, M.A. Chuvakova, N.A. Dolgushin, D.B. Kolker, V.N. Vedenyapin, L.I. Isaenko, V.Ya. Shur. Analysis of switching current data in KTA single crystals. Ferroelectrics 559 (2020) 1–7
https://doi.org/10.1080/00150193.2020.1721998

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