Publications

    • 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 (2011), 025701.

  • 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, 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.
  • 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 (2009), 20, 245708.
  • 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.
  • 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 Technology 25 (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).
  • 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”, proceedings of the International Conference on the Physics of Semiconductors, Vienna, Austria (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, 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, A. Belyanin, C. Gmachl, D.L. Sivco, M.L. Peabody, A.M. Sergent, and A.Y. Cho, “Phase matched parametric light generation in monolithically integrated intersubband optical devices”, US Patent no. 6940639 (2005).
  • 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”, submitted to Applied Physics Letters (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).
  • 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 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).