Lt Col Christopher A. Lenyk

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Publications

[11] T. D. Gustafson, N. C. Giles, B. C. Holloway*, C. A. Lenyk, J. Jesenovec, J. S. McCloy, M. D. McCluskey, L. E. Halliburton, “Cu²⁺ and Cu³⁺ acceptors in b-Ga₂O₃ crystals: A magnetic resonance and optical absorption study,” J. Appl. Phys. 131, 065702 (2022)

[10] B. C. Holloway*, T. D. Gustafson, C. A. Lenyk, N. C. Giles,K. T. Zawiliski, P.G. Schunemann, K. L. Averett, L. E. Halliburton, “Optically active selenium vacancies in BaGa₄Se₇ crystals,” J. Appl. Phys. 130, 173104 (2021)

[9]  T. D. Gustafson, J. Jesenovec, C. A. Lenyk, N. C. Giles, J. S. McCloy, M. D. McCluskey, L. E. Halliburton, “Zn acceptors in b-Ga₂O₃ crystals,” J. Appl. Phys. 129, 155701 (2021)

[8] T. D. Gustafson, C. A. Lenyk, L. E. Halliburton, N. C. Giles, “Deep donor behavior of iron in b-Ga₂O₃ crystals: Establishing the Fe^4+/3+ level,” J. Appl. Phys. 128. 145704 (2020)

[7] C. A. Lenyk, T.D. Gustafson, S. A. Basun, L. E. Halliburton, N. C. Giles, “Experimental determination of the (0/-) level for Mg acceptors in b-Ga₂O₃ crystals,” Appl. Phys. Lett. 116, 142101 (2020)

[6] O. M. Shumelyak, A. Yu. Volkov, Ya. M. Skrypka, L. E. Halliburton, N. C. Giles, C. A. Lenyk, S. A. Basun, A. A. Grabar, Yu. M. Vysochansky, S. G. Odulov, D. R. Evans, “Near-infrared-sensitive photorefractive Sn₂P₂S₆ crystals grown by the Bridgman method,” J. Appl. Phys. 127, 103103 (2020)

[5] C. A. Lenyk*, T. D. Gustafson, L. E. Halliburton, N. C. Giles, “Deep donors and acceptors in b-Ga₂O₃ crystals: Determination of the Fe^2+/3+ level by a noncontact method,” J. Appl. Phys. 126, 245701 (2019)

[4] T. E. R. Dodson, L. E. Halliburton, G. S. Kedziora, C. A. Lenyk*, N. C. Giles, “Self-trapped holes (small polarons) in ferroelectric KH₂PO₄ crystals,” J. Phys.: Condens. Matter 31, 505503 (2019)

[3] C. A. Lenyk*, N. C. Giles, E. M. Scherrer, B. E. Kananen, L. E. Halliburton, K. T. Stevens, G. K. Foundos, J. D. Blevins, D. L. Dorsey, S. Mou, “Ir⁴⁺ ions in b-Ga₂O₃: an unintentional deep donor,” J. Appl. Phys. 125, 045703 (2019)

[2] C. A. Lenyk*, M. S. Holston, B. E. Kananen, L. E. Halliburton, N. C. Giles, “Lithium and gallium vacancies in LiGaO₂ crystals,” J. Appl. Phys. 124, 135702 (2018)

[1] C. A. Lenyk*, D. J. Bunker, J. W. McClory, S. R. McHale, B. R. Kowash, “Defining a Methodology for Data Analysis Using Streak Films,” Journal of Radiation Effects, Research and Engineering, 33, 1-E, (2015)

Conference Presentations (not including publications listed above):

[5] C. A. Lenyk and N. C. Giles, “Electron paramagnetic resonance (EPR) and optical studies of extrinsic point defects in b-Ga₂O₃,” 61^st Electronic Materials Conference of the Materials Research Society, 25 June 2019 (poster).

[4] L. E. Halliburton, T. E. R. Dobson, G. S. Kedziora, C. A. Lenyk, N. C. Giles, “Investigation of self-trapped holes (small polarons) in KH₂PO₄ crystals grown for nonlinear optical applications,” International Conference on Crystal Growth and Epitaxy (ICCGE)-19, 30 July 2019 (oral presentation).

[3] L. E. Halliburton, B. E. Kananen, C. A. Lenyk, E. M. Scherrer, N. C. Giles, “Identification and characterization of donors and acceptors in b-Ga₂O₃ crystals,” ICCGE-19, 1 August 2019 (oral presentation).

[2] C. A. Lenyk, T. D. Gustfason, B. C. Holloway, K. T. Zawiliski, P. G. Schunemann, L. E. Halliburton, N. C. Giles, “Electron paramagnetic resonance (EPR) and optical studies of intrinsic point defects in BaGa₄Se₇ crystals.” Proc. SPIE. 11670, 2021 (oral presentation).

[1] B. C. Holloway, T. D. Gustafson, C. A. Lenyk, N. C. Giles, K. T. Zawiliski, P. G. Schunemann, K. L. Averett, L. E. Halliburton, “EPR and optical studies of intrinsic point defects in BaGa₄Se₇ crystals.” Photonics West, 25 Jan 2022, (oral presentation).