Maria Tamargo

Physical Chemistry/Inorganic Chemistry

Additional Departments/Affiliated Programs

Areas of Expertise/Research

  • Crystal Growth
  • Epitaxy
  • Molecular Beam Epitaxy
  • Semicondutor Materials
  • Topological Insulators


Center for Discovery and Innovation







maria_tamargo_2020_5_resize-2.jpg(110.49 KB)

Maria Tamargo


B.S. in Chemistry, University of Puerto Rico, Rio Piedras, 1972
M.S. in Chemistry, The Johns Hopkins University, 1974
Ph.D. in Chemistry, The Johns Hopkins University, 1978

Courses Taught

Chem 10301 - General Chemistry

Chem 10401 - General Chemistry

Chem 42500 - Inorganic Chemistry

Chem B1000 - Inorganic Chemistry, Master's Level

Research Interests

Materials growth and properties of semiconductor multi-layered structures grown by liquid phase epitaxy (LPE), molecular beam epitaxy (MBE) and gas source MBE. Areas of research activity include III-V compounds, strained-layer and short-period superlattices, surface and interface chemistry, visible light emitters, optoelectronic devices, wide bandgap II-VI compounds, II-VI/III-V heteroepitaxy, low dimensional nanostructures, selective area epitaxy, intersubband devices, quantum cascade lasers, VECSELs, Topological Insulators. 


Publications (last five years)


  1. I. Levy, C. Youmans, T. A. Garcia, H. Deng, S. Alsheimer, C. Testelin, L. Krusin-Elbaum, P. Ghaemi, M. C. Tamargo, Designer topological insulator with enhanced gap and suppressed bulk conduction in Bi2Se3/Sb2Te3ultra-short period superlattices, arXiv:2001.03084, Nano Letters (2020) accepted.
  2.  V. Deligiannakis, G. Ranepura, I. L. Kuskovsky and M. C. Tamargo, Advanced material system for the design of an intermediate band solar cell: Type-II CdTe quantum dots in a ZnCdSe matrix, J. Appl. Phys. 126, 235302 (2019)
  3. M. S. Claro, I. Levy, T. A. Garcia, A. Gangopadhyay, D. J. Smith and M. C. Tamargo, Growth Habits of Bismuth Selenide (Bi2Se3) Layers and Nanowires over Stranski–Krastanov Indium Arsenide Quantum Dots,  Cryst. Growth Des. 19, 6989-6993 (2019)
  4. V. Deligiannakis, S. Dhomkar, M. S. Claro, I. L. Kuskovsky, M. C. Tamargo, Interface Modification in Type-II ZnCdSe/Zn(Cd)Te QDs for High Efficiency Intermediate Band Solar Cells, J. Crystal Growth 512, 203-207 (2019).
  5. M. S. Claro, I. Levy, A. Gangopadhyay, D. J. Smith, M. C. TamargoSelf-assembled Bismuth Selenide (Bi2Se3) quantum dots grown by molecular beam epitaxy, Scientific Reports, 9, 3370 (2019)
  6. (Cover Article) I. Levy, T. A. Garcia, S. Shafique and M. C. Tamargo, Reduced twinning and surface roughness of Bi2Se3 and Bi2Telayers grown by molecular beam epitaxy on sapphire substrates, J. Vac. Sci. Technol. B 36, 02D107-1 (2018).
  7. H. Ji, S. Dhomkar, R. Wu, J. Ludwig, Z. Lu, D. Smirnov, M. C. Tamargo, G. W. Bryant, and I. L. Kuskovsky, Long spin-flip time and large Zeeman splitting of holes in type-II ZnTe/ZnSe submonolayer quantum dots, J. Appl. Phys. 124, 144306 (2018)
  8. Y. Kaya, A. Ravikumar, G. Chen, M. C. Tamargo, A. Shen, and C. Gmachl, Two-band ZnCdSe/ZnCdMgSe quantum well infrared photodetector, AIP Adv. 8, 075105 (2018)
  9. V. Deligiannakis, S. Dhomkar, H. Ji, D. Pagliero, I. L. Kuskovsky, and C. A. Meriles, M. C. Tamargo Spin dynamics of ZnSe-ZnTe nanostructures grown by migration enhanced molecular beam epitaxy, J. Applied Physics 121, 115702 (2017).
  10. I. L. Kuskovsky, L. G. Murokh, B. Roy, H. Ji, S. Dhomkar, J. Ludwig, D. Smirnov, and M. C. Tamargo, Decoherence in semiconductor nanostructures with type-II band alignment: All-optical measurements using Aharonov-Bohm excitons, Phys. Rev B 95, 165445 (2017).
  11. L. C. Hernandez-Mainet, M. A. Aguilar, M. C. Tamargo, C. Falcony, Design and engineering of IZO/Ag/glass solar filters for low-emissivity window performance, Optical Engineering 56, 105103 (2017).
  12. T. A. Garcia, M. C. Tamargo, Growth and Properties of Wide Bandgap (ZnSe)m(ZnxCd(1-x)Se)n Short-period Superlattices, Journal of Crystal Growth 480, 74 (2017).
  13. T. A. Garcia, V. Deligiannakis, C. Forrester, I. Levy and M. C. Tamargo, Bi2Se3 van der Waals Virtual Substrates for II–VI Heterostructures, phys. status solidi b 254, 1700275 (2017).
  14. L. C. Hernandez-Mainet, Z. Chen, T. A. Garcia, A. B. Bykov, L. Krusin-Elbaum, M. C. Tamargo, Two-dimensional X-ray diffraction characterization of (Zn,CD,Mg)Se wurtzite layers grown on Bi2Se3, J. Crystal Growth 433, 122-127 (2016).
  15. S. Zhang, I. Zeylikovich, T. K. Gayen, B. Das, R. R. Alfano, A. Shen, and M. C. Tamargo, Interface-state-phonon-assisted energy relaxation of hot electrons in CdSe quantum dots, J. Vac. Sci. Technol. B 34, 02L107 (2016)
  16. G. Chen, M. C. Tamargo and A. Shen, MgSe/CdSe coupled quantum wells with optimized MgSe coupling layer thickness and near infrared intersubband absorption around 1.55 μm, J. Phys. D: Appl. Phys. 49, 115111 (2016)
  17. H. Ji, S. Dhomkar, R. Wu, V. Shuvayev, V. Deligiannakis, M. C.Tamargo, J. Ludwig, Z. Lu, D. Smirnov, A. Wang, and I. L. Kuskovsky, Optical Anisotropy in Type-II ZnTe/ZnSe Submonolayer Quantum Dots, J. Appl. Phys. 119, 224306 (2016)
  18. A. D. Alfaro-Martinez, I. Hernandez-Calderon, and M. C. Tamargo, Influence of ZnSe capping of CdSe layers in the growth mode of ZnCdMgSe/CdSe/ZnCdMgSe heterostructures, J. Vac. Sci. Technol. B 34, 041218 (2016)
  19. T. A. Garcia, J. De Jesus, A. P. Ravikumar, C. F. Gmachl, and M. C. Tamargo, II–VI quantum cascade emitters in the 6–8 µm range, Phys. Status Solidi b 253, 1494–1497 (2016)
  20. G. Chen, M. C. Tamargo, and A. Shen, MgSe/CdSe coupled quantum wells with optimized MgSe coupling layer thickness and near infrared intersubband absorption around 1.55 μm, J. Phys. D: Appl. Phys. 49, 115111 (2016)
  21. G. Chen, Y. Kaya, A. Pawan Ravikumar, M. C. Tamargo, C. Gmachl, and A. Shen, Growth and characterizations of ZnCdSe/ZnCdMgSe two-color quantum well infrared photodetectors, Physica Status Solidi c: 13, 673-676 (2016)
  22. J. M. M. Santos, B. E Jones, P. J Schlosser, S. Watson, J. Herrnsdorf, B. Guilhabert, J. J. D. McKendry, J. De Jesus, T. A. Garcia, M. C. Tamargo, A. E. Kelly, J. E. Hastie, N. Laurand and M. D Dawson, Hybrid GaN LED with capillary-bonded II–VI MQW color-converting membrane for visible light communications, Semicond. Sci. Technol. 30, 035012 (2015)
  23. J. De Jesus, T. A. Garcia, V. Kartazaev, Br. E. Jones, P.J. Schlosser, S. K. Gayen, J. E. Hastie, and M. C. Tamargo, Growth and Characterization of ZnCdMgSe-based green light emitters and distributed Bragg reflectors toward semiconductor disk lasers, Phys. Status Solidi A, A 212, 382–389 (2015)
  24. B. E. Jones, P. J. Schlosser, J. DeJesus, T. A. Garcia, M. C. Tamargo and J. E. Hastie, Processing and characterisation of II–VI ZnCdMgSe thin film gain structures, Thin Solid Films, 590, 84 (2015)
  25. S.  Dhomkar, H. Ji, B. Roy, V. Deligiannakis, A. Wang, M. C. Tamargo, I. L. Kuskovsky, Measurement and control of size and density of type-II ZnTe/ZnSe submonolayer quantumdots grown by migration enhanced epitaxy, J. Crystal Growth 422, 8–14 (2015)
  26. Z. Chen, L. Zhao, K. Park, T. A. Garcia, M. C. Tamargo, and L. Krusin-Elbaum, Robust Topological Interfaces and Charge Transfer in Epitaxial Bi2Se3/II−VI Semiconductor Superlattices, Nano Letters 15, 6365-6370 (2015)
  27. S. Dhomkar, N. Vaxelaire, H. Ji, V. Shubayev, M. C. Tamargo, I. L. Kuskovsky, and I. C. Noyan, Determination of shape anisotropy in embedded low contrast submonolayer quantum dot structures, Appl. Phys. Lett. 107, 251905 (2015).
  28. J. De Jesus, G. Chen, L. C. Hernandez-Mainet, A. Shen, and M. C. Tamargo, Strain compensated CdSe/ZnSe/ZnCdMgSe quantum wells as building blocks for near to mid-IR intersubband devices, J. Crystal Growth 425, 207 (2015)
  29. K. Zhao, G. Chen, J. Hernandez, M. C. Tamargo, A. Shen, Intersubband absorption in ZnO/ZnMgO quantum wells grown by plasma-assisted molecular beam epitaxy on c-plane sapphire substrates, J. Crystal Growth 425, 221–224 (2015).
  30. S. L. Wu, H. P. Hsu, Y. F. Wu, Y. S. Huang, W. O. Charles, A. Shen, M. C. Tamargo, Optical Characterization of Zn(0.48)Cd(0.52)Se/Zn(0.24)Cd(0.18)Mg(0.58)Se Asymmetric Coupled Quantum Well Structure, Chinese Journal of Physics, 53 P020801 (2015).
  31. G. Chen, M. C. Tamargo, A. Shen, Optimization of barrier layer thickness in MgSe/CdSe quantum wells for intersubband devices in the near infrared region, J. Appl. Phys. 118, 165707 (2015).
  32. A. P. Ravikumar, J. De Jesus, M. C. Tamargo and C. F. Gmachl, High performance, room temperature, broadband II-VI quantum cascade detector, Appl. Phys. Lett. 107, 141105 (2015).



  • Member of the National Academy of Engineering 2020
  • Inaugural City College of New York Division of Science Excellence in Mentoring Minorities Award (DSEMM), 2019
  • MBE Innovator Award 2017
  • Director, NSF CREST Center IDEALS, 2016
  • CCNY President’s Distinguished Service Award, 2014
  • CCNY Alumni Association Latino Group Career Achievement Award, 2010
  • Fellow of the American Physical Society 2001