The Optical Bandgap of Lithium Niobate (LiNbO3) and Its Dependence with Temperature

Temperature dependence of the energy gap in semiconductors

Varshni, Y. P. (1967) · Physica · doi:10.1016/0031-8914(67)90062-6 · Cited by 5,498 · see citing works

Lithium niobate: Summary of physical properties and crystal structure

Weis, R. S., & Gaylord, T. K. (1985) · Applied Physics A Solids and Surfaces · doi:10.1007/bf00614817 · Cited by 1,868 · see citing works

Temperature dependence of semiconductor band gaps

O’Donnell, K. P., & Chen, X. (1991) · Applied Physics Letters · doi:10.1063/1.104723 · Cited by 1,209 · see citing works

Revisiting the optical bandgap of semiconductors and the proposal of a unified methodology to its determination

Zanatta, A. R. (2019) · Scientific Reports · doi:10.1038/s41598-019-47670-y · Cited by 477 · see citing works

Optical properties of reduced lithium niobate single crystals

Dhar, A., & Mansingh, A. (1990) · Journal of Applied Physics · doi:10.1063/1.346951 · Cited by 190 · see citing works

Optical absorption edge of LiNbO3

Redfield, D., & Burke, W. J. (1974) · Journal of Applied Physics · doi:10.1063/1.1663089 · Cited by 175 · see citing works

Determination of the Li/Nb ratio in lithium niobate by means of birefringence and Raman measurements

Schlarb, U., Klauer, S., Wesselmann, M., Betzler, K., & W�hlecke, M. (1993) · Applied Physics A · doi:10.1007/bf00324348 · Cited by 132 · see citing works

Do we know the band gap of lithium niobate?

Thierfelder, C., Sanna, S., Schindlmayr, A., & Schmidt, W. G. (2009) · Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics · doi:10.1002/pssc.200982473 · Cited by 121 · see citing works

The effect of Cr doping on optical and photoluminescence properties of LiNbO3 crystals

Bhatt, R., Kar, S., Bartwal, K. S., & Wadhawan, V. K. (2003) · Solid State Communications · doi:10.1016/s0038-1098(03)00450-2 · Cited by 48 · see citing works

A Raman study of single-crystal congruent lithium niobate following electric-field repoling

Scott, J. G., Mailis, S., Sones, C. L., & Eason, R. W. (2004) · Applied Physics A · doi:10.1007/s00339-003-2249-7 · Cited by 38 · see citing works

Optical absorption properties of doped lithium niobate crystals

Jiangou, Z., Shipin, Z., Dingquan, X., Wang, X., & Guanfeng, X. (1992) · Journal of Physics Condensed Matter · doi:10.1088/0953-8984/4/11/022 · Cited by 37 · see citing works

Temperature dependence of the electronic gaps of semiconductors

Cardona, M., & Kremer, R. K. (2013) · Thin Solid Films · doi:10.1016/j.tsf.2013.10.157 · Cited by 32 · see citing works

Blue shift of optical band-gap in LiNbO3 thin films deposited by sol–gel technique

Satapathy, S., Mukherjee, C., Shaktawat, T., Gupta, P. K., & Sathe, V. (2012) · Thin Solid Films · doi:10.1016/j.tsf.2012.06.072 · Cited by 29 · see citing works

Processing and characterization of improved congruent lithium niobate

Anikiev, A. A., Umarov, M. F., & Scott, J. F. (2018) · AIP Advances · doi:10.1063/1.5055386 · Cited by 11 · see citing works

Tuning the dielectric properties of LiNbO3 based interdigitated electrode metastructure in the terahertz range

Wu, L., Zhang, X., Fu, Y. M., Xu, Z., Ding, X., & Yao, J. (2021) · Results in Physics · doi:10.1016/j.rinp.2021.104120 · Cited by 5 · see citing works

Lithium Tantalate Photonic Integrated Circuits for Volume Manufacturing

Wang, C., Li, Z., Riemensberger, J., Lihachev, G., Churaev, M., Kao, W., Ji, X., Zhang, J., Blesin, T., Davydova, A., et al. (2024) · Nature · doi:10.1038/s41586-024-07369-1 · Cited by 248 · see citing works

Tunable and efficient ultraviolet generation with periodically poled lithium niobate

Hwang, E., Harper, N., Sekine, R., Ledezma, L. M., Marandi, A., & Cushing, S. K. (2023) · Optics Letters · doi:10.1364/ol.491528 · Cited by 31 · see citing works

AlGaN/AlN heterostructures: an emerging platform for integrated photonics

Gündoğdu, S., Pazzagli, S., Pregnolato, T., Kolbe, T., Hagedorn, S., Weyers, M., & Schröder, T. (2025) · npj Nanophotonics · doi:10.1038/s44310-024-00048-z · Cited by 22 · see citing works

Oxygen partial pressure and temperature dependent electrical conductivity of lithium-niobate-tantalate solid solutions

Yakhnevych, U., Azzouzi, F. E., Bernhardt, F., Kofahl, C., Suhak, Y., Sanna, S., Becker, K., Schmidt, H., Ganschow, S., & Fritze, H. (2024) · Solid State Ionics · doi:10.1016/j.ssi.2024.116487 · Cited by 18 · see citing works

Three-photon and four-photon absorption in lithium niobate measured by the Z-scan technique

Benabdelghani, I., Tóth, G., Krizsán, G., Bazsó, G., Szaller, Z., Mbithi, N. M., Rácz, P., Dombi, P., Polónyi, G., & Hebling, J. (2023) · Optics Express · doi:10.1364/oe.505995 · Cited by 17 · see citing works

Roles of temperature, materials, and domain inversion in high-performance, low-bias-drift thin film lithium niobate blue light modulators

Celik, O. T., Ammar, N. Y., Park, T., Stokowski, H. S., Multani, K., Hwang, A. Y., Gyger, S., Guo, Y., Fejer, M. M., & Safavi‐Naeini, A. H. (2024) · Optics Express · doi:10.1364/oe.538150 · Cited by 17 · see citing works

Coprocessed heterogeneous near-infrared lasers on thin-film lithium niobate

Morin, T. J., Peters, J., Li, M., Guo, J., Wan, Y., Xiang, C., & Bowers, J. E. (2024) · Optics Letters · doi:10.1364/ol.516486 · Cited by 15 · see citing works

Selection of Surface Coating Materials for Ni-Rich NCM in All-Solid-State Batteries through Electronic Band Structure Analysis Using UPS/LEIPS

Terashima, M., Mamiya, K., Kimoto, T., Sasaki, S., & Iida, S. (2024) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.4c02754 · Cited by 13 · see citing works

Gap-Free Tuning of Second and Third Harmonic Generation in Mechanochemically Synthesized Nanocrystalline LiNb1−xTaxO3 (0 ≤ x ≤ 1) Studied with Nonlinear Diffuse Femtosecond-Pulse Reflectometry

Klenen, J., Sauerwein, F., Vittadello, L., Kömpe, K., Hreb, V. M., Sydorchuk, V., Yakhnevych, U., Sugak, D. Y., Vasylechko, L. O., & Imlau, M. (2024) · Nanomaterials · doi:10.3390/nano14030317 · Cited by 12 · see citing works

Raman spectroscopy of lithium niobate (LiNbO3) − Sample temperature and laser spot size effects

Zanatta, A. R. (2023) · Results in Physics · doi:10.1016/j.rinp.2023.106380 · Cited by 10 · see citing works

A High‐Temperature Optical Spectroscopy Study of the Fundamental Absorption Edge in the LiNbO3–LiTaO3 Solid Solution

Gaczyński, P., Suhak, Y., Ganschow, S., Sanna, S., Fritze, H., & Becker, K. (2024) · physica status solidi (a) · doi:10.1002/pssa.202300972 · Cited by 9 · see citing works

Ferroelectric Nanomaterials for Energy Harvesting and Self‐Powered Sensing Applications

Yu, X. Y., Ji, Y., Zhang, K., Shen, X., Zhang, S., Xu, M., & Le, X. (2024) · Advanced Sensor Research · doi:10.1002/adsr.202400049 · Cited by 10 · see citing works

Heterogeneous integration of amorphous silicon carbide on thin film lithium niobate

Li, Z., Sharma, N., Lopez-Rodriguez, B., van der Kolk, R. J. H., Scholte, T., Voncken, H., van der Boom, J., Gröblacher, S., & Zadeh, I. E. (2025) · APL Photonics · doi:10.1063/5.0228408 · Cited by 9 · see citing works

Long-lived, pulse-induced transient absorption in LiNb 1 − x Ta x O 3 ( 0 ⩽ x ⩽ 1 ) solid solutions: the case of three intrinsic defect sites for electron localization with strong coupling

Dömer, N., Koelmann, J., Hesselink, M., Hehemann, T., Pfannstiel, A., Sauerwein, F., Vittadello, L., Ganschow, S., & Imlau, M. (2024) · New Journal of Physics · doi:10.1088/1367-2630/ad6688 · Cited by 8 · see citing works

Electrically Switchable Bipolar Polarization-Sensitive Photodetection Based on a Biaxial Ferroelectric Semiconductor

Liu, C., Fan, C., Liang, B., Wang, W. Q., Jin, M., & Zhang, W. (2024) · ACS Photonics · doi:10.1021/acsphotonics.4c01793 · Cited by 8 · see citing works

Domain wall saddle point morphology in ferroelectric triglycine sulfate

McCluskey, C. J., Kumar, A., Gruverman, A. L., Luk’yanchuk, I. A., & Gregg, J. M. (2023) · Applied Physics Letters · doi:10.1063/5.0152518 · Cited by 8 · see citing works

Non-isothermal crystallization kinetics of calcium pyroniobate (Ca2Nb2O7) in SiO2-CaO-Nb2O5-Na2O-MgO-Al2O3 glass

Han, W., Ran, M., Chen, C. Q., Ren, G., & Chen, W. (2024) · Thermochimica Acta · doi:10.1016/j.tca.2024.179702 · Cited by 8 · see citing works

Band Gap and Polarization Tuning of Ion-Doped XNbO3 (X = Li, K, Na, Ag) for Photovoltaic and Energy Storage Applications

Apostolova, I. N., Apostolov, A. T., & Wesselinowa, J. M. (2024) · Molecules · doi:10.3390/molecules29051011 · Cited by 8 · see citing works

New insights into refractive indices and birefringence of undoped and MgO-doped lithium niobate crystals at high temperatures

Hong, N., Cui, J., Kim, H. J., Shaffer, R. G., & Vinh, N. Q. (2023) · Optical Materials · doi:10.1016/j.optmat.2023.114365 · Cited by 6 · see citing works

Aluminum nitride photonics for high-speed electro-optical tuning of self-injection-locked laser

Xie, H., Wang, Y., Zhou, Y., Holguín‐Lerma, J. A., Yang, G., Shi, Z., & Tang, H. X. (2025) · Optics Letters · doi:10.1364/ol.571314 · Cited by 5 · see citing works

LiTaO3 versus LiNbO3 as optical-to-terahertz converter

Bodrov, S. B., Sarafanova, M. V., Shugurov, A. I., & Bakunov, M. I. (2025) · Optics & Laser Technology · doi:10.1016/j.optlastec.2025.113259 · Cited by 4 · see citing works

Eco-friendly activation of cotton textiles with LiNbO3 nanoparticles for enhanced self-cleaning and antibacterial performance

Alves, A. K., Aguilar, H. E., & Berutti, F. A. (2024) · Ceramics International · doi:10.1016/j.ceramint.2024.08.461 · Cited by 3 · see citing works

(U)WBG materials for RF piezoelectric acoustics

Xu, J., Ren, Z., Yang, K., Tu, Y., Zheng, P., Zhang, S., Ou, X., Lü, X., Zuo, C., Sun, H., et al. (2025) · APL Materials · doi:10.1063/5.0268087 · Cited by 4 · see citing works

The (temperature-dependent) Raman spectra of some traditional semiconductors

Zanatta, A. R. (2025) · Results in Physics · doi:10.1016/j.rinp.2025.108341 · Cited by 3 · see citing works

Dopant induced structural distortions, band gap tuning, electrochemical, thermal, and dielectric studies of BiFe1-xMnxO3 magnetic nanoparticles: A comprehensive study

Fatema, M., Jamil, I., Abushad, M., Alam, M., Rather, M. U. D., & Husain, S. (2025) · Ceramics International · doi:10.1016/j.ceramint.2025.10.179 · Cited by 3 · see citing works

Effect of γ-rays irradiation on optical and structural properties of the perovskite 128° Y-cut LiNbO3 single crystal

Mansour, M., Bedjaoui, W., & Trari, M. (2023) · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms · doi:10.1016/j.nimb.2023.165206 · Cited by 3 · see citing works

Electrical and optical properties of environmental friendly Li(1‐x)Smx/ 3NbO3 ceramics for high‐temperature energy storage applications

Satyarthi, S. K., Singh, V. P., Verma, H., & Singh, A. K. (2024) · Energy Storage · doi:10.1002/est2.642 · Cited by 3 · see citing works

Three-photon absorption in lithium tantalate measured by the Z-scan technique

Benabdelghani, I., Bazsó, G., Tóth, G., Rácz, P., Dombi, P., Hebling, J., & Polónyi, G. (2024) · Optical Materials · doi:10.1016/j.optmat.2024.115571 · Cited by 3 · see citing works

Bulk photovoltaic effect in Cu-doped LiNbO 3 single crystals with controlled oxidation state

Matsuo, H., Sato, T., & Noguchi, Y. (2024) · Japanese Journal of Applied Physics · doi:10.35848/1347-4065/ad60cf · Cited by 3 · see citing works

Modified Sol-gel synthesis of LiNbO3: Rietveld refinement, morphology, optical properties and high photocatalytic performance over RhB dye

Pessoa, W. A. G., Batista, F. M. C., Sá, I. S. C., Flexer, V., Comedi, D. M., Tirado, M., Ruiz, Y. L., Filho, R. L. D. F., Lago, R. M., Texeira, A. P. D. C., et al. (2025) · Sustainable materials and technologies · doi:10.1016/j.susmat.2025.e01668 · Cited by 2 · see citing works

AlxGa1-xN microring resonators with Composition-Driven tunability for High-Q photonics

De, T. E., Mohammad, S. M., Onifade, O. A., Kumar, Y. N. S., RAMZAN, M., Rahman, M. N. A., Noorden, A. F. A., Mohamad, A., & Abdullah, M. (2026) · Optics & Laser Technology · doi:10.1016/j.optlastec.2026.115136 · Cited by 2 · see citing works

Diffusion–Model–Driven Discovery of Ferroelectrics for Photocurrent Applications

Yeo, B. C., Lee, H., Kang, S., & Lee, J. (2026) · Advanced Science · doi:10.1002/advs.202522108 · Cited by 2 · see citing works

Direct Synthesis of Quasi-Single-Crystal Lithium Niobate Thin Films with High-Quality (006) Crystallinity and Ultrawide Bandgap via the Sol–Gel Method

Wu, R., Xu, C., Ding, K., Zhang, J., Sun, H., & Xu, L. (2025) · Crystal Growth & Design · doi:10.1021/acs.cgd.5c00201 · Cited by 2 · see citing works

Metal Oxide Thin Films for Advanced Photonic Applications

Stîngescu, M.-L., Șopronyi, M.-A., Antohe, Ș., & Scărișoreanu, N.-D. (2026) · Crystals · doi:10.3390/cryst16030164 · Cited by 2 · see citing works

Defect and crack evolution induced by H+ and He+ implantation during the crystal ion slicing of single-crystal LiTaO3

Wan, L., Pan, X., Wang, X., Zhang, G., Ganss, F., Heller, R., Yu, Y., Shuai, Y., Luo, W., Wu, C., et al. (2026) · Materials Today Chemistry · doi:10.1016/j.mtchem.2026.103528 · Cited by 1 · see citing works

Band gap engineering and multicolor emission in environment friendly Dy-Ti Co-doped LiNbO3 ceramics for advanced electrical energy storage, LED and laser applications

Satyarthi, S. K., Singh, V. P., Singh, C. B., Kumar, D., & Singh, A. K. (2025) · Ceramics International · doi:10.1016/j.ceramint.2025.04.021 · Cited by 1 · see citing works

Photocatalytic performance of mixed lithium niobates-tantalates prepared by mechanochemical method

Sydorchuk, V., Sugak, D. Y., Hurskyy, S., Samsonenko, M., Khalameida, S., Lakhnik, A. M., & Vasylechko, L. O. (2023) · Applied Nanoscience · doi:10.1007/s13204-023-02889-0

Visible and near-IR entangled photon generation and UV second harmonic generation with lithium niobate nanophotonic waveguides for on-chip spectroscopy

Hwang, E., Harper, N., Sekine, R., Ledezma, L. M., Marandi, A., & Cushing, S. K. (2024) · Nonlinear Frequency Generation and Conversion: Materials and Devices · doi:10.1117/12.3000100

Tantalum pentoxide on a fused quartz substrate platform for advanced photonic integrated circuits

Sim, G., Jeon, S., Kang, D. D., Lee, Y. S., Kim, Y., Oh, K., Han, S.-W., & Jung, H. (2024) · Optical Materials Express · doi:10.1364/ome.541508

Temperature‐Dependent Zinc Oxide Cathodoluminescence: Toward Compact Wavelength‐Tunable Solid‐State Photoionization Sources

Pinto, R. M. R., Retolaza, A., Cunha, J., Matos, P., Silva, J., Silva, D., Dias, R. A., & Vinayakumar, K. B. (2026) · Advanced Optical Materials · doi:10.1002/adom.202502953

Strategic Brazilian Minerals Applied in the Photocatalytic Ozonation of Rhodamine B Using a Green Lithium Niobate Nanocatalyst Supported on Silica: Kinetic, Thermodynamic, Mechanism, Machine Learning, and Ecotoxicity Study

da Costa, M. L., dos Santos, C., MorenoRuiz, Y. P., Pavoski, G., Tenório, J. A. S., Espinosa, D. C. R., & OLIVEIRA, J. S. D. (2026) · ACS Omega · doi:10.1021/acsomega.6c00300

Functional properties of lithium niobium oxide: optical and electrical insights

Ahmed, N. E. (2026) · Phase Transitions · doi:10.1080/01411594.2026.2640054

Linear and nonlinear characterization of monolithically integrated GaP microdisks on Si and GaP substrates

Urothodi, R. S. (2022) · doi:10.70675/dd55b50dz7ae4z4964zb9cczc6f73d6ba94f

Propagation and Interactions of Cos Gaussian Beams in Biased Photovoltaic Lithium Niobate Crystals: An Ab Initio Study

Katti, A., Kumar, R., Chourasia, N. K., & Chourasia, R. K. (2026) · Advanced Theory and Simulations · doi:10.1002/adts.70413

High-speed and stable 532-nm electro-optic modulator on thin-film lithium tantalate

Wang, X., Chen, B. W., Zhou, W., Cai, J., Yang, T., Yang, B., Qin, Y., Ke, X., Chen, Y., Huang, K., et al. (2026) · Optics Letters · doi:10.1364/ol.605420

集成薄膜钽酸锂光子芯片研究进展（特邀）

Fei, 黄. H., Zhile, 吴. W., Mingyu, 朱. Z., Taoran, 姚. Y., Weihan, 王. W., ZhengYuan, B., Haoran, 李. L., Yueyang, 张. Z., Zejie, 俞. Y., & Daoxin Dai, A. (2026) · Acta Optica Sinica · doi:10.3788/aos260816

Thermo-optical properties of lithium niobate on an insulator at cryogenic temperatures

Венедиктов, И. О., Kobtsev, D., Svyatodukh, S., Golikov, A. D., An, P. P., Kovalyuk, V. V., & Gol'tsman, G. N. (2025) · Journal of Optical Technology · doi:10.1364/jot.92.000746

Interface Engineering in Piezoelectric‐on‐Insulator Platforms: Coupling of Electrons, Photons, and Phonons for Multifunctional Integration

Bao, Y., Wang, Z., Yang, R., Tang, G., Guo, R., Chen, K., & Wen, H. (2026) · Electron · doi:10.1002/elt2.70068

Effect of Al:ZnO buffer layer on temperature-dependent optical properties of LiNbO₃ thin films for thermally stable photonic applications

Pala, S. L., Kolahalam, L. A., Abhiram, N., & Kiranmai, V. L. (2026) · Materials Letters · doi:10.1016/j.matlet.2026.141840

High Performance in the Piezocatalytic Reduction of p -Nitrophenol to p -Aminophenol Using Li1– x Cu x NbO3 Synthesized by the Modified Pechini Method

Pessoa, W. A. G., Sá, I. S. C., Batista, F. M. C., Ospina, D. P., Comedi, D. M., Tirado, M., Vega, N. C., Marin-Ramirez, O., Leyet, Y., Nobre, F. X., et al. (2026) · ACS Physical Chemistry Au · doi:10.1021/acsphyschemau.6c00171

Do we know the band gap of lithium niobate?

Thierfelder, C., Sanna, S., Schindlmayr, A., & Schmidt, W. G. (2009) · Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics · doi:10.1002/pssc.200982473 · Cited by 121 · see citing works

First-principle Calculations of Optical Properties of LiNbO3

Jin, L., Qiang, L. S., Xie, Y. H., & Fu, H. G. (2006) · IEEE International Conference on Nano/Micro Engineered and Molecular Systems · doi:10.1109/nems.2006.334666 · Cited by 3 · see citing works

On the temperature dependence of the optical band gap in the material system of lithium niobate and lithium tantalatePreprint

Henneke, M., Rüsing, M., Lange, N. A., Schapeler, T., Spiegelberg, N., Kuhlmann, E.-L., Beyreuther, E., Mues, M. P., Eisner, L., Eng, L. M., et al. (2026) · arXiv (Cornell University) · doi:10.48550/arxiv.2608.18763

Predictions on structural, electronic, optical and thermal properties of lithium niobate via first-principle computations

Boukhtouta, M., Megdoud, Y., Benlamari, S., Meradji, H., Chouahda, Z., Ahmed, R., Ghemid, S., Abu-Jafar, M. S., Syrotyuk, S. V., Raics, P., et al. (2020) · The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics · doi:10.1080/14786435.2020.1719286 · Cited by 20 · see citing works

LiNbO3 ground- and excited-state properties from first-principles calculations

Schmidt, W. G., Albrecht, M., Wippermann, S. M., Blankenburg, S., Rauls, E., Fuchs, F., Rödl, C., Furthmüller, J., & Hermann, A. (2008) · Physical Review B · doi:10.1103/physrevb.77.035106 · Cited by 98 · see citing works