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Compound Semiconductors


(supported by DTRA HOTRA 1-09-0044; DHS 2110-DN-077-AR1042-02; NNSA DE-NA0002522; DHS 2014-DN-O77-ARI086-01)

“Thallium Chalcogenide-Based Wide-Band-Gap Semiconductors: TIGaSe(2) for Radiation Detectors,” with Simon Johnsen, Zhifu Liu, John Peters, B.W. Wessels, et al., Chemistry of Materials, 23 12 3120-3128 (2011).

“Thallium Chalcohalides for X-ray and gamma-ray detection,” with Simon Johnsen, Zhifu Liu, John A Peters, B.W. Wessels, et al.,  J. of the American Chemical Society, 26 10030-10033 (2011). 

“Thallous chalcogenide Tl6I4Se for radiation detection at X-ray and gamma-ray energies,” Z. Liu, J. A. Peters, B.W. Wessels  et al,  Nucl. Instrum.  Methods 659 333 (2011).

“Dimensional Reduction: A design tool for new radiation detection materials,” John Androulakis, Sebastian C. Peter, Hao Li et al, Advanced Materials, 23 4163 (2011).

“Tl-based wide gap semiconductor materials for x-ray and gamma ray detection,” Zhifu Lui, J.A. Peters, C. Zang, Nam Ki Cho, Bruce W. Wessels, Simon Johnsen, et al., Proceedings of SPIE, 80180H (2011).

“Photoluminescent properties of semiconducting Tl6I4Se,” N. K. Cho, J. A. Peters, Z. Liu, B.W. Wessels et al., Semicond. Sci and Technol., 27 (2012).

“Crystal growth and characterization of the x-ray and gamma-ray detector material Cs2Hg6S7,” with Hao Li, John A. Peters, Zhifu Lui, Maria Sebastian, Christos D. Malliakas and Bruce W. Wessels, et al., Crystal Growth and Design, 12 6, 3250-3256 (2012).

“Investigation of defect levels in Cs2Hg6S7 single crystals by photoconductivity and photoluminescence spectroscopies,” J.A. Peters, Nam Ki Cho, Zhifu Liu, B.W. Wessels, et al., Journal of Appl. Physics 112 6, 063702 (2012).

“Formation of native defects in the gamma-ray detector material Cs2Hg6S7,” with J. Im, H. Jin, H. Li, J.A. Peters, Z.F. Liu, B.W. Wessels, M.G. Kanatzidis, A.J. Freeman, Applied Physics Letters, 101 20 202103 (2012).

 “CsHgInS3: a New Quaternary Semiconductor for gamma-ray Detection,” with H. Li, C.D. Malliakas, Z.F. Liu, J.A. Peters, B.W. Wessels, et. al., Chemistry of Materials, 24 22 4434-4441 (2012).

 “Transient photocurrent measurements in alkali chalcogenide ternary compound semiconductors,” with Z. Liu, J.A. Peters, H. Li, M.G. Kanatzidis, B.W. Wessels, Semiconductor Science and Technology, 28 1 015022 (2013).

“CsCdInQ(3) (Q = Se, Te): New Photoconductive Compounds As Potential Materials for Hard Radiation Detection” with H. Li, C.D. Malliakas, J.A. Peters, B.W. Wessels, et. al., Chemistry of Materials 25 10 2089-2099 (2013).

 “Photoconductivity in the Chalcohalide Semiconductor, SbSeI: a New Candidate for Hard Radiation Detection” with A.C. Wibowo, C.D. Malliakas, Zhifu Liu, B.W. Wessels, et. al., Inorganic Chemistry 52 12 7045-7050 (2013).

"Cs(2)M(II)M(3)(IV)Q(8) (Q=S, Se, Te): An Extensive Family of Layered Semiconductors with Diverse Band Gaps" with Morris, Collin D., Li, Hao, Jin, Hosub, Wessels, B.W., et al., Chemistry of Materials 25 16 3344-3356 (2013).

"Photoconductivity in T16SI4: A Novel Semiconductor for Hard Radiation Detection" with Nguyen, Sandy L., Malliakas, Christos D., Peters, John A., Wessels, B.W., et al., Chemistry of Materials 25 14 2868-2877 (2013).

"Crystal Growth of the Perovskite Semiconductor CsPbBr3: A New Material for High-Energy Radiation Detection" with Stoumpos, Constantinos C., Malliakas, Christos D., Peters, John A., Wessels, B.W., et al., Crystal Growth & Design 13 7 2722-2727 (2013).

"Crystal Growth of Tl(4)Cdl(6): A Wide Band Gap Semiconductor for Hard Radiation Detection" with Wang, Shichao, Liu, Zhifu, Peters, John A., Sebastian, Maria, Wessels, Bruce W., et al., Crystal Growth & Design 14 5 2401-2410 (2014).

"Optical Investigation of defects in semi-insulating TI614S Single Crystals" with Peters, J. A., Sebastian , M., Nguyen, S., Liu, ZF. Im, J., Wessels, B. W., et al., Physical Review B 90 3 035205 (2014).

"Photo-Induced Current Transient Spectrocopy of Single Crystal TI614Se" with Liu, Z., Peters, J. A., Sebastian, M., Kanatzidis, M. G., Im, J., Freeman, A. J., Wessels, B. W., Semiconductor Science and Technology 29 11 115002 (2014).

"Investigation of Semi-Insulating Cs2Hg627 and Cs2Hg6-xCdxS7 Alloy for Hard Radiation Detection" with Li, Hao, Malliakas, Christos D., Liu, Zhifu, Peters, John A., Wessels, Bruce W., Crystal Growth & Design 14 11 5949-5956 (2014).

"Photo-Induced Current Transient Spectroscopy of Semi-Insulating Single Crystal Cs2Hg627" with Liu, Z., Peters J. A., Li, H., Kanadzitis, M. G., Im, J., Jin, H., Freeman, A. J., Wessels, B. W., Journal of Electronic Materials 44 1 222-226 (2015).

"Cs2Hg3S4: A Low-Dimensional Direct Bandgap Semiconductor" with Islam, Saiful M., Vanishri, S., Li, Hao, Stoumpos, Constantinos C., Peters, John A., Wessels, Bruce, et al., Chemistry of Materials 27 1 370-378 (2015).

"Characterization of Deep Level Defects in TI614S Single Crystals by Photo-Induced Current Transient Spectroscopy" with Peters, J. A., Liu, Z., Im, J., Nguyen, S., Wessels, B. W., et. al, Journal of Physics D-Applied Physics 48 7 075303 (2015).

"Excitonic Emissions and Above-Band-Gap Luminescence in the Single-Crystal Perovskite Semiconductors CsPbBr3 and CsPbCl3", M. Sebastian, J. A. Peters, C. C. Stoumpos, J. Im, S. S. Kostina, Z. Liu, M. G. Kanatzidis, A. J. Freeman, B. W. Wessels, Physical Review B, 92 23 235210 (2015).

"An Unusual Crystal Growth Method of the Chalcohalide Semiconductor, beta-Hg3S2Cl2: A New Candidate for Hard Radiation Detection", A. C. Wibowo, C. D. Malliakas, H. Li, C. C. Stoumpos, D. Y. Chung, B. W. Wessels, A. J. Freeman, M. G. Kanatzidis, Crystal Growth & Design, 16 5 2678-2684 (2016).

"Photoluminescence Fatigue and Inhomogeneous Line Broadening in Semi-insulating Tl6SeI4 Single Crystals", S. S. Kostina, J. A. Peters, W. Lin, P. Chen, Z. Liu, P. L. Wang, M. G. Kanatzidis, B. W. Wessels, Semiconductor Science and Technology, 31 6 065009 (2016).

"Refined Synthesis and Crystal Growth of Pb2P2Se6 for Hard Radiation Detectors", P. L. Wang, S. S. Kostina, F. Meng, O. Y. Kontsevoi, Z. F. Liu, P. Chen, J. A. Peters, M. Hanson, Y. H. He, D. Y. Chung, A. J. Freeman, B. W. Wessels, M. G. Kanatzidis, Crystal Growth & Design, 16 9 5100-5109 (2016).

"Charge Transport Mechanisms in a Pb2P2Se6 Semiconductor",  S. S. Kostina, M. P. Hanson, P. L. Wang, J. A. Peters, D. A. Valverde-Chavez, P. Chen, D. G. Cooke, M. G. Kanatzidis, B. W. Wessels, ACS Photonics, 3 10 1877-1887 (2016).

"Mercury Chalcohalide Semiconductor Hg3Se2Br2 for Hard Radiation Detection", H. Li, F. Meng, C. D. Malliakas, Z. F. Liu, D. Y. Chung, B. Wessels, M. Kanatzidis, Crystal Growth & Design, 16 11 6446-6453 (2016).

"Charge Transport and Observation of Persistent Photoconductivity in Tl(6)Sel(4) Single Crystals", S. Das, J. A. Peters, W.W. Lin, S. S. Kostina, P. Chen, J. I. Kim, M. G. Kanatzidis, B. W. Wessels, Journal of Physical Chemistry Letters, 8 7 1538-1544 (2017).

"Strong Electron-Phonon Coupling and Self-Trapped Excitons in the Defect Halide Perovskites A(3)M(2)I(9) (A = Cs, Rb; M = Bi, Sb)", K. M. McCall, C. C. Stoumpos, S. S. Kostina, M. G. Kanatzidis, B. W. Wessels, Chemistry of Materials, 29 9 4129-4145 (2017).

"Defect Antiperovskite Compounds Hg(3)Q(2)I(2) (Q = S, Se, and Te) for Room-Temperature Hard Radiation Detection", Y. H. He, O. Y. Kontsevoi, C. C. Stoumpos, G. G. Trimarchi, S. M. Islam, Z. F. Liu, S. S. Kostina, S. Das, J. I. Kim, W. W. Lin, B. W. Wessels, M. G. Kanatzidis, Journal of the American Chemical Society, 139 23 7939-7951 (2017).

"TISn2I5, a Robust Halide Antiperovskite Semiconductor for gamma-Ray Detection at Room Temperature", W. W. Lin, C. C. Stoumpos, Z. F. Liu, S. Das, O. Y. Kontsevoi, Y. H. He, C. D. Malliakas, H. J. Chen, B. W. Wessels, M. G. Kanatzidis, ACS Photonics, 4 7 1805-1813 (2017).

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Photonic Materials and Devices

(supported by NSF ECCS-0801684; NSF ECCS-1201853)

"Cascaded Bragg reflectors for a barium titanate thin film electro-optic modulator," with Z. Liu, P.-T. Lin, and B. W. Wessels, J. of Optics A, 10, 015302 (2008).

“Highly efficient broadband second harmonic generation using polydomain epitaxial barium titanate thin film waveguides,” with Pao Tai Lin and Bruce W. Wessels, Appl. Phys. Lett., 92 221103 ( 2008).

“Two-Dimensional Ferroelectric Photonic Crystal Waveguides: Simulation, Fabrication, and Optical Characterization,” with Pao Tai Lin, Fei Yi, Seng-Tiong Ho, and B.W. Wessels, Journal of Lightwave Technology, 27 4330-4337 (2009).

“Thin film ferroelectric photonic crystals and their application to thermo-optic switches,” with Pao Tai Lin, Alexandra Imre, Leonidas E. Ocola, and B.W. Wessels, Optics Communications, 282 16, 3364-3367 (2009).

“Ferroelectric thin film photonic crystal waveguide and its electro-optic properties,” with P.T. Lin, Z. Liu, and B.W. Wessels, Journal of Optics A: Pure and Applied Optics, 11 075005 (2009).

“Ferroelectric Thin Film Microcavities and Their Optical Resonant Properties,” with Pao Tai Lin, William A. Russin, Alexandra Imre, Leonidas E. Ocola and B.W. Wessels, Materials For Nanophotonics- Plasmonics, Metamaterials and Light Localization, MRS Proc. 1182 21-26 (2009)

“Hexagonal photonic crystal waveguide based on barium titanate thin films,” with Jianheng Li, Zhifu Liu, B.W. Wessels, et al., Optical Components and Materials VIII, SPIE 7934 79340R (2011).

“Ultrafast modulators based on nonlinear photonic crystal waveguides,” with Zhifu Liu, Jianheng Li, Tu Yongming, B.W. Wessels, et al., Advances In Slow And Fast Light IV, SPIE 7949 794905 (2011).

“Photonic crystal waveguide electro-optic modulator with a wide bandwidth” J-H  Li, Z. Liu, Y. Tu, S. T. Ho, Il Jung, L. E. Ocola and B. W. Wessels, J. of Lightwave Tech, 31 1601 (2013).

“Electrical Loss Mechanisms of Thin-Film Electro-Optic Modulators for High-Bandwidth Applications,” with Peter Girouard, Zhifu Liu, and Bruce Wessels in Frontiers in Optics 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper FTu4E.4.

“BaTiO3 Modulator Devices for Silicon Photonics,” with Peter Girouard, Pice Chen, Young Kyu Jeong, Zhifu Liu, and Bruce W. Wessels in Advanced Photonics for Communications, OSA Technical Digest (online) (Optical Society of America, 2014), paper IW3A.2.

“Epitaxial BaTiO3 for 100 Gb/s Optical Systems,” with Peter Girouard, Young Kyu Jeong, Pice Chen, Zhifu Liu, and Bruce W. Wessels presented at the 56th Electronic Materials Conference, J4, Santa Barbara, CA, 2014.

“Small Footprint Barium Titanate Photonic Crystal Modulators for Photonic Integrated Circuits,” with Peter Girouard, Pice Chen, Yongming Tu, Young Kyu Jeong, Zhifu Liu, Seng-Tiong Ho, and Bruce Wessels in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2015), paper SW4I.5.

“Ultrahigh Bandwidth, Low Vπ Photonic Crystal BaTiO3 Modulators,” with Peter Girouard, Pice Chen, Yongming Tu, Young Kyu Jeong, Zhifu Liu, Seng-Tiong Ho, and Bruce W. Wessels in Advanced Photonics for Communications, OSA Technical Digest (in press) (Optical Society of America, 2015), paper IM2B.4

"Properties of Epitaxial Barium Titanate Thin Films using a Highly Volatile Ba(hfa)2triglyme Precursor", Young-kyu Jeong, B.W. Wessels, JVSTB (2015).

"Investigation of Optical Repsonse of Photonic Crystal Nanocavities in Ferroelectric Oxide Thin Film", P.T. Lin, W.A. Russin, A. Joshi-Imre, L.E. Ocola, and B.W. Wessels, J. Optics 17 105402 (2015).

"Integrated BaTiO3 Modulator with 8 dB Extinction at 50 GHz and 25 km Reach" P. Girouard, P. Chen, Y. K. Jeong, Z. Liu, S. T. Ho, B. W. Wessels, 2016 Ieee Optical Interconnects Conference, 110-111 (2016).

"Enhancement of the Pockels Effect in Photonic Crystal Modulators Through Slow Light", P. Girouard, Z. F. Liu, P. Chen, Y. K. Jeong, Y. M. Tu, S. T. Ho, B. W. Wessels, Optics Letters, 41 23 5531-5534 (2016).

"X-(2) Modulator With 40-GHz Modulation Utilizing BaTiO3 Photonic Crystal Waveguides", P. Girouard, P. Chen, Y. K. Jeong, Z. F. Liu, S. T. Ho, B. W. Wessels, Ieee Journal of Quantum Electronics, 53 4 5200110 (2017).

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Spintronics III-V Semiconductors

(supported by AFOSR FA9550-07-1-0381; NSF DMR-0804479; NSF DMR-1305666)

“Ferromagnetic semiconductors and the role of disorder,” by Bruce W. Wessels, New Journal of Physics, 10, 055008 (2008).

“Magnetocapacitance effect in InMnAs/InAs p-n heterojunctions,” with N. Rangaraju and B.W. Wessels, Journal of Vacuum Science & Technology B, 26 4, 1526-1529 (2008).

“Structural and Magnetic Properties of Ferromagnetic In1-xMnxAs1-yPy layers,” with N. D. Parashar, P. T. Chiu, and B. W. Wessels, Journal of Magnetism and Magnetic Materials, 321 8, 1058-1062 (2009).

“Reflectance Magnetic Circular Dichroism Studies at the point in InMnAs Semiconductor Films,” with N.D. Parashar, P.T. Chiu, and B.W. Wessels, Physica E, 41 7, 1147-1150 (2009).

“Giant magnetoresistance of magnetic semiconductor heterojunctions,” with N. Rangaraju, Pengcheng Li, and B.W. Wessels, Phys. Rev. B, 79 20, 205209 (2009).

“Electronic structure of substitutional Mn in epitaxial In0.965Mn0.035Sb film,” N.D. Parashar, D.J. Keavney and B.W. Wessels, Appl. Phys. Lett. 95 20, 201905 (2009).

“InMnAs Thin Films and Heterostructures,” by Bruce W. Wessels, in Handbook of Spintronic Semiconductors (World Scientific 2010).

“High temperature ferromagnetism in epitaxial (In,Mn)Sb films,” with N.D. Parashar, V.K. Lazarov, S. Xie and B.W. Wessels, Phys. Rev B, 81 11 115321 (2010).

“Magnetoresistance of InMnAs magnetic semiconductors,” with J.A. Peters and B.W. Wessels, Physica E, 42 5 1447-1450 (2010).

“Time resolved spectroscopy of InMnAs using differential transmission technique in mid-infrared,” with M. Bhowmick, T.R. Merritt, K. Nontapot, B.W. Wessels, O. Drachenko, G.A. Khodaparast, Physics Procedia 3 1167-1170 (2010).

“Magnetotransport properties if InMnSb magnetic semiconductor thin films,” with J.A. Peters, N.D. Parashar, N. Rangaraju, and B.W. Wessels, Phys. Rev B, 82 20 205207 (2010).

“Magnetoamplification in a Bipolar Magnetic Junction Transistor,” with N. Rangaraju, J.A. Peters, B.W. Wessels, Physical Review Letters, 105 11 117202 (2010).

“Spin-dependent magnetotransport in a p-InMnSb/n-InSb magnetic semiconductor heterojunction,” with J. A. Peters, N. Rangaraju, C. Feeser and B. W. Wessels, Appl. Phys. Lett., 98 19 193506 (2011).

“Time-resolved differential transmission in MOVPE-grown ferromagnetic InMnAs,” M. Bhowmick, T.R. Merritt, G.A. Khodaparast, Bruce W. Wessels, et al., Phys. Rev B 85 12 125313 (2012).

“Ferromagnetic InMnSb multi-phase films study by aberration-corrected (scanning) transmission electron microscopy,” Leonardo Lari, Stephen Lea, Caitlin Feeser, Bruce W. Wessels and Vlado K. Lazarov, Journal of Appl. Physics 111 07C311 (2012).

“Structural and magnetic properties of epitaxial In1-xMnxSb semiconductor alloys with x>0.08,” Caitlin E. Feeser, Leonardo Lari, Vlado K. Lazarov, John A. Peters and Bruce W. Wessels, JVST B, 30 3, 032801 (2012). 

“A Spin-Diode Logic Family,” Joseph S. Friedman, Nikhil Rangaraju, Yehea I. Ismail and Bruce W. Wessels, TNANO 11 5, 1026-1032 (2012). 

"Cyclotron resonance in ferromagnetic InMnAs and InMnSb" with Khodaparast, G. A., Matsuda, Y. H., Saha, D., Sanders , G. D., Wessels, B. W., et al., Physical Review B 88 23 235204 (2013).

"Magnetoresistance in InMnAs/InAs heterojunctions and its dependance on alloy composition and temperature" with Peters, J. A., Garcia, C., Wessels, B. W., Applied Physics Letters 103 5 053503 (2013).

"Magnetoresistance of Narrow Gap Magnetic Semiconductor Heterojunctions" with Wessels, B.W., Spin 03 04 1340011 (2013).

"Emitter-Coupled Spin-Transistor Logic" with Friedman, Joseph S., Peters, John A., Memik, Gokhan, Sahakian, Alan V., Wessels, Bruce W., Journal of Parallel and Distributed Computing 74 6 SI 2461-2469 (2014).

"Emitter-Coupled Spin-Transistor Logic: Cascaded Spintronic Computing Beyond 10 GHz" with Friedman, Joseph S., Memik, Gokhan, Sahakian, Alan V., Wessels, Bruce W., IEEE Journal on Emerging and Selected Topics in Circuits and Systems 5 1 17-27 (2015).

"Charge Transport in Magnetic Semiconductor p-n Heterojunctions" with J. Liu, J. A. Peters, N. Rangaraju, and B.W. Wessels, IEEE Trans. on Elec. Devices, 62 2470 (2015).

"High Field Magnetic Circular Dichroism in Ferromagnetic InMnSb and InMnAs", M.A. Meeker, B.A. Magill, and G.A. Khodaparast, D. Saha, C.J. Stanton, S. McGill, and B.W. Wessels, Phys. Rev. B 92 125203 (2015).

"Magnetism and Mn Clustering in (In, Mn)Sb Magnetic Semiconductors", J. Liu, M.P. Hanson, J.A. Peters and B.W. Wessels, ACS Applied Materials and Interfaces, 7 24159 (2015).

"Mn doped InSb Studied at the Atomic Scale by Cross-Sectional STM", S. J. C. Mauger, J. Bocquel, P.M. Koenraad, C. Feeser, N. Parashar and B. W. Wessels, Appl. Phys. Lett. 107 222102 (2015).

"Bipolar Magnetic Junction Transistors for Logic Applications", B.W. Wessels in Rare-earth and transition metal doping of semiconductor materials" ed by V. Dierolf, I Ferguson and J. Zavada (Woodhead) 2016 in press

"Bilayer Avalanche Spin Diode Logic" J. Friedman, B.W. Wessels, A. Sahakian et al. AlP Advances 5 117102 (2015).

"Cascaded Spintronic Logic with Low-Dimensional Carbon", J.S. Friedman, A. Girdhar, R. M. Gelfand, G. Memik, H. Mohseni, A. Taflove, B. W. Wessels, J. P. Leburton, A. V. Sahakian, A. V., Nature Communications, 8 15635 (2017).

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Oxide Thin Films

(supported by NSF DMR-0520513; DMR-0605292, Argonne)

"Low temperature deposition of epitaxial BaTiO3 films in a rotating disk vertical MOCVD reactor," with A. M. Dhote, A. L. Meier, D. J. Towner, B. W. Wessels, J. Ni, and T. J. Marks, JVST B, 23 4, 1674-1678 (2005).

"Integration of BaTiO3 on Si (001) using MgO/STO buffer layers by molecular beam epitaxy," with F. Niu, A. R. Meier, and B. Wessels, J. Cryst. Growth 294, 401-406 (2006).

"Epitaxial growth and strain relaxation of MgO thin films on Si grown by molecular beam epitaxy," with F. Niu, A. L. Meier, and B. W. Wessels, J. Vac. Sci. Technol. B 24(6), 1071-1023 (2006).

“Complex electrical (impedance/dielectric) properties of electroceramic thin films by impedance spectroscopy with interdigital electrodes,” N. J. Kidner, A. Meier,, Z. J. Homrighaus, B. W. Wessels, T. O. Mason and E. J. Garboczi, Thin Solid Films 515 4588 (2007).

“Surface and interfacial structure of epitaxial SrTiO3 thin films on (001) Si grown by molecular beam epitaxy,” with F. Niu and B.W. Wessels, J. of Crystal Growth 300 509-518, (2007).

“Phase stability of heteroepitaxial polydomain BaTiO3 thin films,” with A.L. Meier, A.Y. Desai, L. Wang, T.J. Marks and B.W. Wessels, J. Mater. Res., 22, 1354 (2007).

“Investigation of heteroepitaxial growth of magnetite thin films,” with G.E. Sterbinsky, J. Cheng, P.T. Chiu, B.W. Wessels, and D.J. Keavney, J. Vac. Sci. Technol. B 25, 1359 (2007).

“Epitaxial Fe3O4 on SrTiO3 characterized by transmission electron microscopy,” with J.G. Zheng, G.E. Sterbinsky, J. Cheng, and B.W. Wessels, J. Vac. Sci. Technol. B 25, 659 (2007).

“Magnetic and magneto-optical properties of heteroepitaxial magnetite thin films,” with J. Cheng, G.E. Sternbinsky, B.W. Wessels, Journal of Crystal Growth, 310 16, 3730-3734 (2008).

“Dynamic response of polydomain ferroelectric barium titanate epitaxial thin films and its field dependence,” with Zhifu Liu, A.L. Meier, and B. W. Wessels, Journal of Appl. Phys., 104 064115 (2008).

“Highly efficient broadband second harmonic generation using polydomain epitaxial barium titanate thin film waveguides,” with Pao Tai Lin and Bruce W. Wessels, Appl. Phys. Lett., 92 221103 ( 2008).

“Synthesis, structural and magnetic properties of epitaxial MgFe2O4 thin films by molecular beam epitaxy,” with J. Cheng, V.K. Lazarov, G.E. Sterbinsky, and B.W. Wessels, J. of Vacuum Science & Technology B, 27 1, 148-151(2009).

“Polarization reversal and backswitching dynamics in epitaxial BaTiO3 thin films,” with Jianheng Li, Pao Tai Lin and B.W. Wessels, J. Appl. Phys. 106 054113 (2009).

“Domain dynamics in BaTiO3 thin films with a multidomain structure,” with B.W. Wessels and A.L. Meier, submitted to J. Phys: Condensed Matt. (2009).

“Magnetic properties of ferromagnetic epitaxial Fe3O4/CoFe2O4 bilayers and superlattices,” with J. Cheng and B.W. Wessels, submitted to J. Appl. Phys. (2009).

“Strain-driven spin reorientation in magnetite/barium titanate heterostructures," G. E. Sterbinsky, B. W. Wessels, J-W Kim, E. Karapetrova, P. J. Ryan and D. J. Keavney, Appl. Phys. Lett. 96 9 092510 (2010).

“Study of domain reversal and its field-dependence in epitaxial BaTiO3 thin films,” with Li JH, Liu ZF, B. W. Wessels, Journal of Applied Physics 107 124106 (2010).

“Local electronic and magnetic structure of mixed ferrite multilayer materials,” with D.M. Wells, J. Cheng, D.E. Ellis, B.W. Wessels, Phys. Rev B, 81 17 174422 (2010).

“Defect and interfacial structure of heteroepitaxial Fe3O4/BaTiO3,” with S.J. Xie, G.E. Sterbinsky, B.W. Wessels, VP Dravid, Microscopy and Microanalysis, 16 3 300-305 (2010).

“Using the infrared magnetorefractive effect to compare the magnetoresistance in (100) and (111) oriented Fe3O4 films,” with S.M. Thompson, V.K. Lazarov, R.C. Bradley, T. Deakin, B. Kaeswurm, G.E. Sterbinsky, J. Cheng, B.W. Wessels, J. Appl. Phys. 107 9 09B102 (2010).

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