Journal articles culminating from publicly funded research are available for download in accordance with the tri-agency policy.

Please visit Prof. Sabat's ResearchGate page for article stats and more info.

Refereed International Journal Publications


50.    Y. Bdour, R.G. Sabat, “Real-Time Plasmonic Strain Sensors Based on Surface Relief Diffraction Gratings”, Micromachines, Vol. 15, Issue 7, 863,, June 2024.


49.    M. Mazloumi, R.G. Sabat, “Real-Time Imaging of plasmonic concentric circular gratings fabricated by lens–Axicon laser interference lithography”, Micromachines, Vol. 14, Issue 11, 1981,, Oct 2023.

48.    A. Smith, M. Mazloumi, L. Karperien, C. Escobedo, R.G. Sabat, “Learning from nature: Fighting pathogenic Escherichia Coli bacteria using nanoplasmonic metasurfaces”, Advanced Materials Interfaces, Vol. 10, Issue 21, 2300269,, June 2023.

47.    M. Mazloumi, E. Dawson, R.G. Sabat, “Hierarchical concentric surface patterns and metasurfaces on azobenzene molecular glass films using axicon interference lithography”, Optical Materials, Vol. 136, 113428,, February 2023.


46.    M. Boxer, M. Mazloumi, P. Snell, P. Rochon, R.G. Sabat, “Large-area photonic crystals, quasicrystals and Moiré quasicrystals fabricated on azobenzene molecular glass films by pyramidal interference lithography”, Optical Materials Express, Vol. 12, No. 11, p. 4362-4374,, November 2022.

45.   M. Mazloumi, Y. Bdour, C. Escobedo, R.G. Sabat, “Biomimetic Macroscopic Hierarchical Moiré Gratings”, Applied Optics, Vol. 61, No. 18, p. 5428-5434,, June 2022.

44.    N.R. Al Atmah, W.R. Caliman, A. Pawlicka, R.G. Sabat and J.-M. Nunzi, “Surface Relief Grating on Chitosan-N,N-dimethyl-4-(2-pyridylazo)aniline Thin Film”, MDPI Polymers, Volume 14, Issue 4, p. 791,, Feb 2022.


43.    M. Mazloumi, P. Rochon, R.G. Sabat, “Dynamic resonant waveguide crossed gratings for wavelength-selective polarization conversion and optical modulation”, OSA Continuum, Volume 4, Issue 8, p. 2284-2293,, August 2021.

42.    M. Kamaliardakani, J. Vapaavuori, X. Wang, R.G. Sabat, C. Pellerin, C. G. Bazuin, “Molecular-Level Photo-Orientation Insights into Macroscopic Photo-Induced Motion in Azobenzene-Containing Polymer Complexes”, Journal of Physical Chemistry B, Volume 125, Issue 28, p. 7871-7885,, July 2021.

41.  J. Leibold, R.G. Sabat, “Inline holographic inscription of diffractive lenses in azobenzene molecular glass thin films”, Applied Optics, Volume 60, Issue 11, p. 2952-2957,, April 2021.

40.    S. Nair, J. Gomez-Cruz, G. Ascanio, A. Docoslis, R.G. Sabat, C. Escobedo, “Cicada Wing Inspired Template-Stripped SERS Active 3D Metallic Nanostructures for the Detection of Toxic Substances”, Sensors, Volume 21, Issue 5, Article number 1699,, March 2021.


39.    E. Diak, M. Mazloumi, R.G. Sabat*, “Tunable narrowband plasmonic light emission from metallic Crossed Surface Relief Gratings”, Optics Express, Volume 28, Issue 26, pp. 39629-39639,, Dec 2020. [Get on journal website]

38.   Y. Mikhyeyev, R.G. Sabat, “Polarization-contrast surface plasmon imaging”, Optics Express, Volume 28, Issue 15, pp. 21481-21488, DOI: 10.1364/OE.391012, July 2020. [Get on journal website]

37.  A. Diggins, E. Dawson, M. Kamaliardakani, C. Pellerin, R.G. Sabat, O. Lebel, “Azobenzene molecular glasses with tuned glass transition temperatures: from optimal light-induced motion to self-erasable gratings”, Journal of Materials Chemistry C, Volume 8, Issue 18, p. 6203-6213, DOI: 10.1039/D0TC00393J, April 2020. [Get on journal website]

36.  J. Leibold, R.G. Sabat, “Dual-axis optical spatial heterodyning angle measurements using CMOS sensor color crosstalk”, Sensors and Actuators A: Physical, Volume 303, 111862, DOI: 10.1016/j.sna.2020.111862, March 2020. [Get on journal website]

35.  S. Nair, J. Gomez-Cruz, A. Manjarrez-Hernandez, G. Ascanio, R.G. Sabat, C. Escobedo, “Rapid label-free detection of intact pathogenic bacteria in situ via surface plasmon resonance imaging enabled by crossed surface relief gratings”, Analyst, Volume 145, p. 2133-2142, DOI: 10.1039/C9AN02339A, February 2020. [Get on journal website]


34.  G. Tadeson, R.G. Sabat, “Enhancement of the power conversion efficiency of organic solar cells by surface patterning of azobenzene thin films”, ACS Omega, Volume 4, Issue 26, p. 21862-21872, DOI: 10.1021/acsomega.9b02844, December 2019. [Get on journal website] [download link]

33.  J. Leibold, R.G. Sabat, “Fabrication of micrometer-scale surface relief gratings in azobenzene molecular glass films using a modified Lloyd’s mirror interferometer”, Optical Materials, Volume 96, 109315, DOI: 10.1016/j.optmat.2019.109315, October 2019. 
[Get on journal website]

32.  Y. Bdour, C. Escobedo, R.G. Sabat, “Wavelength-selective plasmonic sensor based on chirped-pitch crossed surface relief gratings”, Optics Express, Volume 27, Issue 6, p. 8429-8439, DOI: 10.1364/OE.27.008429, March 2019.
[Get on journal website] [download link]


31.  S. Nair, J. Gomez-Cruz, A. Manjarrez-Hernandez, G. Ascanio, R.G. Sabat, C. Escobedo, “Selective Uropathogenic E. Coli detection using crossed surface relief gratings”, Sensors, Volume 18, Issue 11, Article number 3634, DOI: 10.3390/s18113634, October 2018. [Get on journal website]

30.  N. Swanson, R.G. Sabat, “Inscription and analysis of non-uniform diffraction gratings in azobenzene molecular glass thin films”, Optics Express, Volume 26, Issue 7, p. 7876-7887, DOI: 10.1364/OE.26.007876, April 2018.
[Get on journal website] [download link]

29.  A. Tofini, L. Levesque, O. Lebel, R.G. Sabat, “Erasure of surface relief gratings in azobenzene molecular glasses by localized heating with a CO2 laser”, Journal of Materials Chemistry C, Volume 6, p. 1083-1091, DOI: 10.1039/C7TC05590K, January 2018. . 
[Get on journal website]


28.  E. Bailey, R.G. Sabat, “Surface plasmon bandwidth increase using chirped-pitch linear diffraction gratings”, Optics Express, Volume 25, Issue 6, p. 6904-6913, DOI: 10.1364/OE.25.006904, March 2017. [Get on journal website] [download link]

27.  S. Nair, C. Escobedo, R.G. Sabat, “Crossed Surface Relief Gratings as Nanoplasmonic Biosensors”, ACS Sensors, Volume 2, Issue 3, p. 379-385, DOI: 10.1021/acssensors.6b00696, February 2017.
[Get on journal website]

26.  A. Laventure, J. Bourotte, L. Karperien, J. Vapaavuori, R.G. Sabat, O. Lebel, C. Pellerin, “Photoactive/Passive Molecular Glass Blends: An Efficient Strategy to Optimize Azomaterials for Surface Relief Grating Inscription”, ACS Applied Materials and Interfaces, Volume 9, Issue 1, p. 798-808, DOI: 10.1021/acsami.6b11849, January 2017.
[Get on journal website]


25.  L. Mazaheri, R.G. Sabat, O. Lebel, J.-M. Nunzi, “Unraveling the nucleation and growth of spontaneous surface relief gratings”, Optical Materials, Volume 62, p. 378-391, DOI: 10.1016/j.optmat.2016.10.003, December 2016. [Get on journal website]

24.  H. Umezawa, M. Jackson, O. Lebel, J.-M. Nunzi and R.G. Sabat, “Second-order nonlinear optical properties of mexylaminotriazine-functionalized glass-forming azobenzene derivatives”, Optical Materials, Volume 60, p. 258–263, DOI: 10.1016/j.optmat.2016.07.037, October 2016
[Get on journal website] [download link]

23.  X. Wang, J. Vapaavuori, X. Wang, R.G. Sabat, C. Pellerin, C.G. Bazuin, “Influence of Supramolecular Interaction Type on Photoresponsive Azopolymer Complexes: A Surface Relief Grating Formation Study”, Macromolecules, Volume 49, Issue 13, p. 4923-4934, DOI: 10.1021/acs.macromol.6b01009, June 2016.
[Get on journal website]

22.  L. Karperien, R.G. Sabat, “Electrostrictive effect for active control of surface plasmon signals”, Optics Express, Volume 24, Issue 12, p. 13264-13275, June 2016. [Get on journal website] [download link]

21.  H. Umezawa, J.-M. Nunzi, O. Lebel and R.G. Sabat, “Electric-Field-Induced Nanoscale Surface Patterning in Mexylaminotriazine-Functionalized Molecular Glass Derivatives”, Langmuir, Volume 32, Issue 22, p. 5646–5652, DOI: 10.1021/acs.langmuir.6b01213, May 2016.
[Get on journal website]


20.  J. Vapaavuori, I.T.S. Heikkinen, V. Dichiarante, G. Resnati, P. Metrangolo, R.G. Sabat, C.G. Bazuin, A. Priimagi and C. Pellerin, “Photomechanical energy transfer to photopassive polymers through hydrogen and halogen bonds”, Macromolecules, Volume 48, Issue 20, p. 7535-7542, DOI: 10.1021/acs.macromol.5b01813, Sept 2015. [Get on journal website] [download link]

19.  O.R. Bennani, T.A. Al-Hujran, J.-M. Nunzi, R.G. Sabat and Olivier Lebel, “Surface relief grating growth in thin films of mexylaminotriazine-functionalized glass-forming azobenzene derivatives”, New Journal of Chemistry, Volume 39, p. 9162-9170, DOI: 10.1039/c5nj01299f, Sept 2015.
[Get on journal website] [download link]

18.  J. Leibold, R.G. Sabat, “Laser-induced Controllable Chirped-pitch Circular Surface-relief Diffraction Gratings on Azo-glass”, Photonics Research, Volume 3, Issue 4, p. 158-163, August 2015. [Get on journal website] [download link]

17.  O. Osazuwa, M. Kontopoulou, R.G. Sabat, A. Docoslis, “Electrified Polyolefin/Multiwall Carbon Nanotube Composites Exhibit Dramatic Changes in Electrical Conductivity, Permittivity, and Filler Structure”, Macromolecular Materials and Engineering, Volume 300, Issue 4, p. 448-457, DOI: 10.1002/mame.201400352, April 2015. [Get on journal website]


16.  J. Leibold, P. Snell, O. Lebel, R.G. Sabat, “Design and Fabrication of Constant-Pitch Circular Surface-Relief Diffraction Gratings on Disperse Red 1 Glass”, Optics Letters, Volume 39, Issue 12, p. 3445–3448, June 2014. [Get on journal website] [Download link]

15.  J. Jefferies, R.G. Sabat, “Surface Relief Diffraction Gratings Optimization for Plasmonic Enhancements in Thin-Film Solar Cells”, Progress in Photovoltaics: Research and Applications, Volume 22, Issue 6, p. 648-655, June 2014. [Get on journal website] [Download link]

14.  J.Z. Nguendia, W. Zhong, A. Fleury, G. De Grandpré, A. Soldera, R.G. Sabat, J.P. Claverie, “Supramolecular Complexes of Multivalent Cholesterol-Containing Polymers to Solubilize Carbon Nanotubes in Apolar Organic Solvents”, Chemistry – An Asian Journal, Volume 9, Issue 5, p. 1356-1364, May 2014. [Get on journal website] [Download link]

13.  R. Kirby, R.G. Sabat, J.-M. Nunzi, O. Lebel, “Disperse and Disordered: A Mexylaminotriazine-substituted Derivative of Disperse Red 1 with Superior Glass and Surface Relief Grating Formation”, Journal of Materials Chemistry C, Volume 2, Issue 5, p. 841-847, Feb 2014. [Get on journal website] [Download link]


12.  R.G. Sabat, “Superimposed Surface-relief Diffraction Grating Holographic Lenses on Azo-polymer Films”, Optics Express, Volume 21, Issue 7, p. 8711-8723, Apr 2013. [Get on journal website] [Download link]


11.  J.P. Monteiro, J. Ferreira, R.G. Sabat, P. Rochon, M.J.L. Santos, E.M. Girotto, "SPR Based Biosensor Using Surface Relief Grating in Transmission Mode", Sensors and Actuators B: Chemical, Volume 174, p. 270-273, Nov 2012. [Get on journal website] [Download link]


10.  R.G. Sabat, “Harmonic Modulation Behavior in Lead Lanthanum Zirconate Titanate Ceramics”, Journal of Applied Physics, Volume 110, Issue 7, 074108, Oct 2011.[Get on journal website] [Download link]

9.  L. Levesque, R.G. Sabat, “Thermal Lensing Investigation on Bulk Ceramics and Thin-Film PLZT Using Visible and Far-Infrared Laser Beams”, Optical Materials, Volume 33, Issue 3, p. 460-465, Jan 2011. [Get on journal website] [Download link]


8.  R.G. Sabat, M.J.L. Santos, P. Rochon, “Surface Plasmon-Induced Band Gap in the Photocurrent Response of Organic Solar Cells”, International Journal of Photoenergy, Volume 2010, Article ID 698718, 5 pages, Dec 2010. [Get on journal website] [Download link]

7.  R.G. Sabat, N. Rochon, P. Rochon, “Dependence of Surface Plasmon Polarization Conversion on the Grating Pitch”, Journal of the Optical Society of America A, Volume 27, Issue 3, p. 518–522, Mar 2010. [Get on journal website] [Download link]


6.  R.G. Sabat, P. Rochon, "Surface Relief Diffraction Gratings for Modulation Enhancement in PLZT Thin Films", Ferroelectrics Letters, Volume 36, Issue 3-4, p. 67-75, Sept 2009. [Get on journal website] [Download link]

5.  R.G. Sabat, P. Rochon, "The Dependence of the Refractive Index Change of Clamped Relaxor Ferroelectric Lead Lanthanum Zirconate Titanate (PLZT) Ceramics on AC and DC Electric Fields Measured Using an Interferometric Method", Ferroelectrics, Volume 386, Issue 1, p. 105-117, Sept 2009. [Get on journal website] [Download link]

4.  R.G. Sabat, P. Rochon, "Interferometric Determination of the Temperature Dependence of the Refractive Index of Relaxor PLZT Ceramics under DC Bias", Optical Materials, Volume 31, Issue 10, p. 1454–1458, Aug 2009. [Get on journal website] [Download link]

3.  R.G. Sabat, P. Rochon, "Investigation of Relaxor PLZT Thin Films as Resonant Optical Waveguides and the Temperature Dependence of their Refractive Index", Applied Optics, Volume 48, Issue 14, p. 2649–2654, May 2009. [Get on journal website] [Download link]


2.  R.G. Sabat, P. Rochon, B.K. Mukherjee, “Quasistatic Dielectric and Strain Characterization of Transparent Relaxor Ferroelectric Lead Lanthanum Zirconate Titanate (PLZT) Ceramics”, Journal of Applied Physics, Volume 104, Issue 5, 054115, Sept 2008. [Get on journal website] [Download link]


1.  R.G. Sabat, W. Ren, G. Yang, B.K. Mukherjee, “Temperature Dependence of the Complete Material Coefficients Matrix of Soft and Hard Doped PZT ceramics”, Journal of Applied Physics, Volume 101, Issue 4, 064111, Mar 2007. [Get on journal website] [Download link]

Book Chapter

R.G. Sabat, “Characterization of PLZT Ceramics for Optical Sensor and Actuator Devices”, in Ceramics Materials: Progress in Modern Ceramics, edited by Feng Shi, published by Intech, ISBN 979-953-307-814-3, p. 3-24, April 2012. [Download link]