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Personal profile

Research Interests

Professor Wessels’ laboratory develops thin films and nanostructures for electronic, magnetic, and photonic materials applications, with emphasis on semiconductor and ferroic oxide thin films. They are now developing a new class of widegap compound semiconductors including perovskites for x-ray and gamma ray detection. 

Thye have synthesized epitaxial oxides by metal-organic vapor phase epitaxy for applications in nanophotonics and nanomagnetics.  Emphasis is currently on the development of ferroelectric oxide epitaxial thin films and photonic crystals. Development of thin film photonic crystals for electro-optic modulators, and optical amplifiers for photonic integrated circuits (PICs) is under way.

Education/Academic qualification

Materials Science, PhD, Massachusetts Institute of Technology

… → 1973

Metallurgy and Materials Science, BS, University of Pennsylvania

… → 1968

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Research Output

Direct thermal neutron detection by the 2D semiconductor 6LiInP2Se6

Chica, D. G., He, Y., McCall, K. M., Chung, D. Y., Pak, R. O., Trimarchi, G., Liu, Z., De Lurgio, P. M., Wessels, B. W. & Kanatzidis, M. G., Jan 16 2020, In : Nature. 577, 7790, p. 346-349 4 p.

Research output: Contribution to journalArticle

  • Carrier recombination mechanism in CsPbB r3 revealed by time-resolved photoluminescence spectroscopy

    Peters, J. A., Liu, Z., Yu, R., McCall, K. M., He, Y., Kanatzidis, M. G. & Wessels, B. W., Dec 12 2019, In : Physical Review B. 100, 23, 235305.

    Research output: Contribution to journalArticle

  • Controlling the Vapor Transport Crystal Growth of Hg3Se2I2 Hard Radiation Detector Using Organic Polymer

    He, Y., Alexander, G. C. B., Das, S., Liu, Z., Hadar, I., McCall, K. M., Lin, W., Xu, Y., Chung, D. Y., Wessels, B. W. & Kanatzidis, M. G., Apr 3 2019, In : Crystal Growth and Design. 19, 4, p. 2074-2080 7 p.

    Research output: Contribution to journalArticle

  • 1 Scopus citations

    From 0D Cs 3 Bi 2 I 9 to 2D Cs 3 Bi 2 I 6 Cl 3: Dimensional Expansion Induces a Direct Band Gap but Enhances Electron-Phonon Coupling

    McCall, K. M., Stoumpos, C. C., Kontsevoi, O. Y., Alexander, G. C. B., Wessels, B. W. & Kanatzidis, M. G., Apr 9 2019, In : Chemistry of Materials. 31, 7, p. 2644-2650 7 p.

    Research output: Contribution to journalArticle

  • 8 Scopus citations

    Monte Carlo simulation of transport properties in wide gap Hg3Se2I2

    Min, L., Liu, Z., Peters, J. A., He, Y., Kanatzidis, M. G., Zhu, J. & Wessels, B. W., Oct 1 2019, In : Semiconductor Science and Technology. 34, 11, 115003.

    Research output: Contribution to journalArticle