Publications
- B. Dzuba, T. Nguyen, A. Sen, R. E. Diaz, M. Dubey, M. Bachhav, J. P. Wharry, M. J. Manfra, and O. Malis, “Elimination of remnant phases in low-temperature growth of wurtzite ScAlN by molecular-beam epitaxy”, Journal of Applied Physics 132, 175701 (2022).
- Y. Cao, B. Dzuba, B. A. Magill, A. Senichev, T. Nguyen, R. E. Diaz, M. J. Manfra, S. McGill, C. Garcia, G. A. Khodaparast, and O. Malis, “Photoluminescence study of carrier localization and recombination in nearly strain-balanced non-polar InGaN/AlGaN quantum wells”, Physica Status Solidi B, 2100569 (2022).
- O. Malis, T. Nguyen, Y. Cao, B. A. Magill, B. Dzuba, S. McGill, C. Garcia, G. A. Khodaparast, and M. J. Manfra, “Novel nitride quantum structures for infrared sensing”, Proceeding of SPIE Photonics West XVIII, 120090B, (2022).
- T. Nguyen, B. Dzuba, Y. Cao, A. Senichev, R. E Diaz, M. J. Manfra, and O. Malis, “Mid-infrared intersubband absorption in strain-balanced non-polar (In)AlGaN/InGaN multi-quantum wells”, Optical Materials Express 11, 3284 (2021).
- B. Dzuba, T. Nguyen, Y. Cao, R. E. Diaz, M. J. Manfra, and O. Malis, “Overcoming anomalous suppression of m-plane AlGaN growth by molecular-beam epitaxy using indium as a surfactant”, Journal of Applied Physics 130, 105702 (2021).
- B. Dzuba, A. Senichev, T. Nguyen, Y. Cao, R. E. Diaz, M. J. Manfra, and O. Malis, “Indium surfactant assisted epitaxy of non-polar (10-10) AlGaN/InGaN multiple quantum well heterostructures”, Journal of Applied Physics 128, 115701 (2020).
- Xuejing Wang, Junho Choi, Juncheng Liu, Oana Malis, Xiaoqin Li, Peter Bermel, Xinghang Zhang, and Haiyan Wang, “3D Hybrid Trilayer Heterostructure: Tunable Au Nanorods and Optical Properties”, Applied Materials & Interfaces 12, 45015-45022 (2020).
- Y. Cao, B. Dzuba, B. Magill, A. Senichev, T. Nguyen, R. E. Diaz, M. J. Manfra, S. McGill, C. Garcia, G. A. Khodaparast, and O. Malis, “Photoluminescence study of non-polar m-plane InGaN and nearly strain-balanced InGaN/AlGaN superlattices”, Journal of Applied Physics 127, 185702 (2020).
- A. Senichev, B. Dzuba, T. Nguyen, Y. Cao, M. A. Capano, M. J. Manfra, and O. Malis, “Impact of growth conditions and strain on indium incorporation in non-polar m-plane (10-10) InGaN grown by plasma-assisted molecular beam epitaxy”, APL Materials 7, 121109 (2019).
- X. Wang, T. Nguyen, Y. Cao, J. Jian, O. Malis, and H. Wang, “AlN-based hybrid thin films with self-assembled plasmonic Au and Ag nanoinclusions”, Applied Physics Letters 114, 023103 (2018).
- A. Senichev, T. Nguyen, R. E Diaz, B. Dzuba, M. Shirazi-HD, Y. Cao, M. J. Manfra, and O. Malis, “Evolution of indium segregation in metal-polar InAlN lattice-matched to GaN grown by plasma assisted molecular beam epitaxy”, Journal of Crystal Growth 500, 52 (2018).
- Vineetha Mukundan, Shiyao Shan, Chuan-Jian Zhong, Oana Malis, “Effect of chemical composition on the nano-scale ordering transformations of physical mixtures of Pd and Cu nanoparticles”, Journal of Nanomaterials, Volume 2018, Article ID 9087320 (2018).
- T. Nguyen, M. Shirazi-HD, Y. Cao, R. E Diaz, G. C. Gardner, M. J. Manfra, and O. Malis, “Intersubband transitions in nonpolar m-plane AlGaN/GaN heterostructures”, feature Article in Physica Status Solidi (a), 1700828 (2018).
- M. Shirazi-HD, R. E Diaz, T. Nguyen, J. Jian, G. C. Gardner, H. Wang, M. J. Manfra, and O. Malis, “Kinetic instability of AlGaN alloys during MBE growth under metal-rich conditions on m-plane GaN miscut towards the -c axis”, Journal of Applied Physics 123, 161581 (2018).
- M. Shirazi-HD, K. Turkmeneli, S. Liu, S. Dai, C. Edmunds, J. Shao, G. Gardner, D. N. Zakharov, M. J. Manfra, and O. Malis, “Dramatic improvement of near-infrared intersubband absorption in c-plane AlInN/GaN superlattices”, Appl. Phys. Lett. 108, 121108 (2016).
- A. Grier, A. Valavanis, C. Edmunds, J. Shao, J. D. Cooper, G. Gardner, M. J. Manfra, O. Malis, D. Indjin, Z. Ikonić, and P. Harrison, “Coherent vertical electron transport and interface roughness effects in AlGaN/GaN intersubband devices”, Journal of Applied Physics 118, 224308 (2015).
- A. Grier, A. Valavanis, C. Edmunds, J. Shao, J. D. Cooper, G. Gardner, M. J. Manfra, O. Malis, D. Indjin, Z. Ikonić, and P. Harrison, “Design considerations for GaN/AlN based unipolar (opto-) electronic devices, and interface quality aspects”, Proceedings of the 2016 IEEE Photonics Society Summer Topical Meeting Series (SUM), pg. 90 (2016).
- J. Liu, U. Guler, A. Lagutchev, A. Kildishev, O. Malis, A. Boltasseva, and V. M. Shalaev, “Quasi-coherent thermal emitter based on refractory plasmonic materials”, Optical Materials Express 5, 247822 (2015).
- S. Shan, V. Petkov, B. Prasai, J. Wu, P. Joseph, Z. Skeete, E. Kim, D. Mott, O. Malis, J. Luo, and C.-J. Zhong, “Catalytic activity of bimetallic catalysts highly sensitive to the atomic composition and phase structure at the nanoscale”, Nanoscale 7, 18936 (2015).
- C. Edmunds, J. Shao, M. Shirazi-HD, M. J. Manfra, and O. Malis, “Terahertz intersubband absorption in non-polar m-plane AlGaN/GaN quantum wells”, Applied Physics Letters 105, 021109 (2014).
- V. Mukundan, S. Shan, J. Yin, P. Joseph, J. Luo, C.-J. Zhong, O. Malis, “Nanoalloying and phase tranformations during thermal treatment of physical mixtures of Pd and Cu nanoparticles”, Science and Technology of Advanced Materials 15, 025002 (2014).
- O. Malis, “Quantum cascade lasers”, invited chapter for the McGraw-Hill Yearbook of Science & Technology (2014).
- O. Malis, C. Edmunds, D. Li, J. Shao,G. Gardner, W. Li, P. Fay, and M. J. Manfra, “Quantum band engineering of nitride semiconductors for infrared lasers”, Novel In-Plane Semiconductor Lasers XIII, edited by Alexey A. Belyanin, Peter M. Smowton, Proceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE) Vol. 9002, 90021D (2014).
- V. Mukundan, J. Yin, C.-J. Zhong, and O. Malis, “Phase transformations in physical mixtures of Pd-Cu nanoparticles”, Materials Research Society Symposium Proceedings, vol. 1528, DOI: 10.1557/opl.2013.367 (2013).
- M. I. Hossain, Z. Ikonic, J. Watson, J. Shao, P. Harrison, M. J. Manfra, and O. Malis, “Heavy-to-light hole intersubband absorption in the valence band of GaAs/AlAs heterostructures”, Materials Research Society Symposium Proceedings, vol. 1509, DOI: 10.1557/opl.2013.349 (2013).
- C. Edmunds, L. Tang,M. Cervantes,M. Shirazi-HD, J. Shao,A. Grier,A. Valavanis, J. D. Cooper, D. Li, G. Gardner, D. N. Zakharov, Z. Ikonic, D. Indjin, P. Harrison, M. J. Manfra, and O. Malis, “Comparative study of intersubband absorption in AlGaN/GaN and AlInN/GaN superlattices: Impact of material inhomogeneities”, Physical Review B 88, 235306 (2013).
- J. Shao, D. Zakharov, C. Edmunds, O. Malis and M. J. Manfra, “Homogeneous AlGaN/GaN superlattices grown on free-standing (1-100) GaN substrates by plasma-assisted molecular beam epitaxy”, Applied Physics Letters 103, 232103 (2013).
- J. Shao, L. Tang, C. Edmunds, G. Gardner, O. Malis, and M. J. Manfra, “Surface morphology evolution of m-plane (1-100) GaN during molecular beam epitaxy growth: impact of Ga/N ratio, miscut direction, and growth temperature”, Journal of Applied Physics 114, 023508 (2013).
- D. Li, J. Shao, L. Tang, C. Edmunds, G. Gardner, M. J. Manfra, O. Malis, “Temperature-Dependence of Negative Differential Resistance in GaN/AlGaN Resonant Tunneling Structures”, invited paper in Semiconductor Science and Technology 28, 074024 (2013).
- M. I. Hossain, Z. Ikonic, J. Watson, J. Shao, P. Harrison, M. J. Manfra, and O. Malis, “Strong heavy-to-light hole intersubband absorption in the valence band of carbon-doped GaAs/AlAs superlattice”, Journal of Applied Physics 113, 053103 (2013).
- O. Malis, “Nitride semiconductor materials for novel infrared optoelectronics”, book chapter in “New Developments in Photon and Materials Research”, edited by J. I. Jang, (Nova Publishers, 2013).
- J. Yin, S. Shan, L. Yang, D. Mott, O. Malis, V. Petkov, F. Cai, M. S. Ng, J. Luo, B. H. Chen, M. Engelhard, and C.-J. Zhong, “Gold–Copper Nanoparticles: Nanostructural Evolution and Bifunctional Catalytic Sites”, Chemistry of Materials 24 (24), 4662-4674 (2012).
- V. Mukundan, B. N. Wanjala, R. Loukrakpam, J. Luo, J. Yin, C.-J. Zhong, and O. Malis, “Grain Growth and Chemical Ordering during High-Temperature Sintering of PtNiCo Nanoparticle Aggregates”, Nanotechnology 23, 335705 (2012).
- C. Edmunds, L. Tang, J. Shao, D. Li, M. Cervantes, G. Gardner, D. N. Zakharov, M. J. Manfra, and O. Malis, “Improvement of near-infrared absorption linewidth in AlGaN/GaN superlattices by optimization of delta-doping location”, Applied Physics Letters 101, 102104 (2012).
- D. Li, L. Tang, C. Edmunds, J. Shao, G. Gardner, M. J. Manfra, and O. Malis, “Repeatable low-temperature negative-differential resistance from Al0.18Ga0.82N/GaN resonant tunneling diodes grown by molecular-beam epitaxy on free-standing GaN substrates”, Applied Physics Letters 100, 252105 (2012).
- M. I Hossain, Y. Wang, A. Belyanin, D. L. Sivco, A. M. Sergent, and O. Malis, “Dual-wavelength homogeneous mid-infrared quantum cascade laser”, in Novel In-Plane Semiconductor Lasers XI, edited by A. A. Belyanin, and P. M. Smowton, Proc. of SPIE Vol. 8277, 82770R (2012).
- C. Edmunds, L. Tang, D. Li, M. Cervantes, G. Gardner, T. Paskova, M. J. Manfra, and O. Malis, “Near-Infrared Absorption in Lattice-Matched AlInN/GaN and Strained AlGaN/GaN Heterostructures grown by MBE on Low-Defect GaN Substrates”, Journal of Electronic Materials 41, 881 (2012).
- J. Yin, P. Hu, B. Wanjala, O. Malis, and C.-J. Zhong, “Harnessing molecule–solid duality of nanoclusters/nanoparticles for nanoscale control of size, shape and alloying”, Chemical Communications 47, 9885 (2011).
- O. Malis, C. Byard, D. Mott, B. N. Wanjala, R. Loukrakpam, J. Luo, and C.-J. Zhong, “Low-temperature phase and morphology transformations in noble metal nanocatalysts”, Nanotechnology 22, 025701, (2011).
- O. Malis, C. Edmunds, D. H. Li, and M. J. Manfra, “Intersubband transitions in lattice-matched AlInN/GaN heterostructures”, Proceedings of the 2010 18th Biennial University/Government/Industry Micro-Nano Symposium (2010).
- B. N. Wanjala, J. Luo, R. Loukrakpam, B. Fang, D. Mott, P. N. Njoki, M. Engelhard, H. R. Naslund, J. K. Wu, L. Wang, O. Malis, and C.-J. Zhong, ““Nanoscale Alloying, Phase-Segregation, and Core-Shell Evolution of Gold-Platinum Nanoparticles and Their Electrocatalytic Effect on Oxygen Reduction Reaction”, Chem. Mater. 22 (14), 4282–4294 (2010).
- Z. Ikonic, O. Malis, L. N. Pfeiffer, K. W. West, and P. Harrison, “Interdiffusion effects and line broadening of hole intersubband absorption in complex GaAs/AlGaAs quantum well structures”, Journal of Applied Physics 107, 113107 (2010).
- O. Malis, M. Radu, D. Mott, B. Wanjala, J. Luo, and C.-J. Zhong, “In situ real-time x-ray diffraction study of phase segregation in Au-Pt nanoparticles”, Nanotechnology 20, 245708 (2009).
- O. Malis, C. Edmunds, M. J. Manfra, and D. L. Sivco, “Near-infrared intersubband absorption in molecular-beam epitaxy grown lattice-matched InAlN/GaN superlattices”, Applied Physics Letters 94 (2009), 161111.
- R. Steed, M. Matthews, J. Plumridge, M. Frogley, C. Phillips, Z. Ikonic, P. Harrison, O. Malis, L. N. Pfeiffer, and K. W. West, “ Saturation of intersubband transitions in p-doped GaAs/AlGaAs quantum wells”, Applied Physics Letters 92 (2008), 183104.
- S. Krishnan, M. Hodes, C. Jones, and O. Malis, “Analysis of an angular-geometry thermoelectric module (TEM)”, IPAK 2007: Proceedings of the ASME INTERPAK Conference, vol. 2, 241 (2007).
- O. Malis, D.L. Sivco, J. Chen, L. Zhang, A. M. Sergent, Z. Liu, and C. Gmachl, “Optimization of InP-based waveguides for high-performance mid-infrared quantum cascade lasers”, Physics of Semiconductors, Pts A and B, vol. 893, 1453 (2007).
- J. Chen, O. Malis, A. M. Sergent, D. L. Sivco, N. Weimann, and A. Y. Cho, “In0.68Ga0.32As/Al0.64In0.36As/InP 4.5 µm quantum cascade lasers grown by solid phosphorus molecular beam epitaxy”, Journal of Vacuum Science and Technology25 (2007), 913.
- M. Okano, S. Liu, T. Ihara, H. Itoh, M. Yoshita, H. Akiyama, L. N. Pfeiffer, K. West, and O. Malis, “Temperature-dependent current injection and lasing in T-shaped quantum-wire laser diodes with perpendicular p- and n-doping layers”, Applied Physics Letters 90 (2007), 091108.
- C. Gmachl, O. Malis, and A. Belyanin, “Optical nonlinearities in intersubband transitions and quantum cascade lasers”, in “Intersubband transitions in quantum structures” edited by Roberto Paiella, pp. 181, (McGraw-Hill, 2006).
- A. Belyanin, F. Xie, F. Capasso, C. Gmachl, and O. Malis, “Performance benefits of nonlinear quantum cascade lasers”, Novel In-Plane Semiconductor Lasers V, Proceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE), vol. 6133, Z1330 (2006).
- O. Malis, A. M. Sergent, J. Chen, D.L. Sivco, L. Zhang, Z. Liu, and C. Gmachl, “Material design and integration for high power quantum cascade lasers”, proceedings of the Indium Phosphide and related materials conference, Princeton, NJ (2006).
- O. Malis, L.N. Pfeiffer, K.W. West, A.M. Sergent, and C. Gmachl, “Mid-infrared hole-intersubband electroluminescence in carbon-doped GaAs/AlGaAs quantum cascade structures”, Applied Physics Letters 88 (2006), 081117.
- O. Malis, C. Gmachl, D.L. Sivco, L.N. Pfeiffer A.M. Sergent, and K.W. West, “The quantum cascade laser: a versatile high power semiconductor laser for mid-infrared applications”, Bell Labs Technical Journal 10(3), 199 (2005).
- O. Malis, L.N. Pfeiffer, K.W. West, A.M. Sergent, and C. Gmachl, “Bound-to-bound midinfrared intersubband absorption in carbon-doped GaAs/AlGaAs quantum wells”,Applied Physics Letters 87, 091116 (2005).
- O. Malis, A. Belyanin, D.L. Sivco, J. Chen, A.M. Sergent, C. Gmachl, and A.Y. Cho, “Recent progress in nonlinear quantum cascade lasers”, Proceedings of SPIE vol. 5738 (2005).
- O. Malis, A. Belyanin, D.L. Sivco, J. Chen, A.M. Sergent, C. Gmachl, and A.Y. Cho, “Milliwatt second harmonic generation in quantum cascade lasers with modal phase matching”, Electronics Letters 40, 1586 (2004).
- O. Malis, A. Belyanin, C. Gmachl, D.L. Sivco, M.L. Peabody, A.M. Sergent, and A.Y. Cho, “Improvement of second-harmonic generation in quantum-cascade lasers with true phase-matching”, Applied Physics Letters 84, 2721 (2004).
- O. Malis, W. K. Liu,C. Gmachl, J. M. Fastenau,A. Joel,P. Gong,S. W. Bland,and N. Moshegov, “MBE development of dilute nitrides for commercial long-wavelength laser applications”, Journal of Crystal Growth 251, 432 (2003).
- D. I. Lubyshev, O. Malis, K. Teker, Y. Wu, J. M. Fastenau, X.-M. Fang, C. Doss, A. B. Cornfeld, and W. K. Liu, “Production of next generation InP-HBT epiwafers by MBE”, Proceedings of the International Conference on Indium Phosphide and Related Materials, pp. 385, (2003).
- K. F. Ludwig, C. R. Eddy, O. Malis, and R. L. Headrick, “Si(100) surface morphology evolution during normal-incidence sputtering with 100–500 eV Ar+ ions”, Applied Physics Letters 81, 2770 (2002).
- O. Malis, J. D. Brock, R. L. Headrick, Min-Su Yi, and J. M. Pomeroy, “Ion- induced pattern formation on Co surfaces: an x-ray scattering and Kinetic Monte Carlo study”, Physical Review B 66, 035408 (2002).
- X. Wang, K. F. Ludwig, Jr., O. Malis, and J. Mainville, X. Flament, and R. Caudron, “Temperature dependence of the diffuse-scattering fine structure in Cu-Pd alloys”, Physical Review B 63, 092201 (2001).
- O. Malis, J. M. Pomeroy, R. L. Headrick, and J. D. Brock, “Time-resolved X-ray scattering study of Co surface evolution during low-energy ion irradiation”, in Ion Beam Synthesis and Processing of Advanced Materials, edited by S.C. Moss, K.-H. Heinig, and D.B. Poker, MRS Symposia Proceedings no. 647 (Materials Research Society, Pittsburgh, 2000), p. O9.5.1.
- O. Malis and K.F. Ludwig, Jr., “Kinetics of phase transitions in equiatomic CuAu”, Physical Review B 60, 14675 (1999).
- O. Malis, K.F. Ludwig, Jr., W. Schweika, G.E. Ice, and C.J. Sparks, “Temperature dependence of the diffuse scattering fine structure in CuAu”, Physical Review B 59, 11105 (1999).
- O. Malis, K.F. Ludwig, Jr., D. Olmsted, and B. Chakraborty, “Monte Carlo Study of Short-Range Order and Displacement Effects in Disordered CuAu”, Philosophical Magazine B 79, 869 (1999).
- K.R. Elder, O. Malis, K.F. Ludwig, B. Chakraborty, and N. Goldenfeld, “An X-ray Scattering and Simulation Study of the Ordering Kinetics in CuAu”, Europhys. Lett.43, 629 (1998).
- O. Malis, M. Manciu, R. Manaila, and A. Devenyi, “Effect of Intergrowth Defects on the X-ray Diffraction Pattern II”, Phys. Stat. Sol. (a) 147, 325 (1995).
- R. Manaila, O. Malis, M. Manciu, and A. Devenyi, “Effect of Intergrowth Defects on the X-ray Diffraction Pattern II”, Phys. Stat. Sol. (a) 147, 31 (1995).
- A. Belu-Marian, M.D. Serbanescu, R. Manaila, E. Ivanov, O. Malis, and A. Devenyi, “Conductivity of rf-sputtered Ni100-xSix thin films with 33£x£77%”, Thin solid films 259, 105 (1995).