Publications
Journal Article
- Z. Dang, W. Wang, J. Chen, E. S. Walker, S. R. Bank, D. Akinwande, Z. Ni, and L. Tao, "Vis-NIR photodetector with microsecond response enabled by 2D bismuth/Si(111) heterojunction," 2D Materials, vol. 8, no. 3, pp. 035002, Mar 2021.
- W. Zhong, Y. Zhao, B. Zhu, J. Sha, E. S. Walker, S. R. Bank, Y. Chen, D. Akinwande, and L. Tao, "Anisotropic thermoelectric effect and field-effect devices in epitaxial bismuthene on Si (111)," Nanotechnology, vol. 31, no. 47, Sep 2020.
- F. He, E. S. Walker, Y. Zhou, R. D. Montano, S. R. Bank, and Y. Wang, "Phase transition in epitaxial bismuth nanofilms," Applied Physics Letters, vol. 117, no. 7, pp. 073103, Aug 2020.
- F. He, E. S. Walker, Y. Zhou, S. E. Muschinske, S. R. Bank, and Y. Wang, "Quantum confinement of coherent acoustic phonons in transferred single-crystalline bismuth nanofilms," Applied Physics Letters, vol. 116, no. 26, pp. 263101, Jun 2020.
- E. S. Walker, S. E. Muschinske, C. J. Brennan, S. Ryul. Na, T. Trivedi, S. D. March, Y. Sun, T. Yang, A. Yau, D. Jung, A. F. Briggs, E. M. Krivoy, M. L. Lee, K. M. Liechti, E. T. Yu, D. Akinwande, and S. R. Bank, "Composition-dependent structural transition in epitaxial Bi1-xSbx thin films on Si(111)," Physical Review Materials, vol. 3, no. 6, pp. 064201, Jun 2019.
- N. Roschewsky, E. S. Walker, P. Gowtham, S. E. Muschinske, F. Hellman, S. R. Bank, and S. Salahuddin, "Spin-orbit torque and Nernst effect in Bi-Sb/Co heterostructures," Phys. Rev. B, vol. 99, pp. 195103, May 2019.
- J. Jeong, K. Chen, E. S. Walker, N. Roy, F. He, P. Liu, G. Willson, M. Cullinan, S. R. Bank, and Y. Wang, "In-Plane Thermal Conductivity Measurement with Nanosecond Grating Imaging Technique," Nanoscale and Microscale Thermophysical Engineering, vol. 22, no. 2, pp. 83-96, Dec 2017.
- T. Trivedi, A. Roy, H. C. P. Movva, E. S. Walker, S. R. Bank, D. P. Neikirk, and S. K. Banerjee, "Versatile Large-Area Custom-Feature van der Waals Epitaxy of Topological Insulators," ACS Nano, vol. 11, pp. 7457-7467, Jul 2017.
- E. S. Walker, S. Ryul. Na, D. Jung, S. D. March, J. Kim, T. Trivedi, W. Li, L. Tao, M. L. Lee, K. M. Liechti, D. Akinwande, and S. R. Bank, "Large-Area Dry Transfer of Single-Crystalline Epitaxial Bismuth Thin Films," Nano Letters, vol. 16, no. 11, pp. 6931-6938, Oct 2016.
- R. Kudrawiec, P. Poloczek, J. Misiewicz, H. P. Bae, T. Sarmiento, S. R. Bank, H. B. Yuen, M. A. Wistey, and J. S. Harris, "Contactless electroreflectance of GaInNAsSb/GaNAs/GaAs quantum wells emitting at 1. 5\—1. 65 \µm: Broadening of the fundamental transition," APL, vol. 94, no. 3, pp. 031903, Jan 2009.
- R. Kudrawiec, H. B. Yuen, S. R. Bank, H. P. Bae, M. A. Wistey, J. S. Harris, M. Motyka, and J. Misiewicz, "On the Fermi level pinning in as-grown GaInNAs(Sb)/GaAs quantum wells with indium content of 8%\—32%," J. Appl. Phys., vol. 104, no. 3, pp. 033526, Aug 2008.
- Y. Xin, .C . Y. Lin, Y. Li, H. P. Bae, H. B. Yuen, M. A. Wistey, J. S. Harris, S. R. Bank, and L. F. Lester, "Monolithic 1. 55 \µm GaInNAsSb quantum well passively modelocked lasers," Electron. Lett., vol. 44, no. 9, pp. 581-582, Apr 2008.
- R. Kudrawiec, H. B. Yuen, S. R. Bank, H. P. Bae, M. A. Wistey, J. S. Harris, M. Motyka, and J. Misiewicz, "Contactless electroreflectance approach to study the Fermi level position in GaInNAs/GaAs quantum wells," J. Appl. Phys., vol. 102, no. 11, pp. 113501, Dec 2007.
- S. R. Bank, H. P. Bae, L. L. Goddard, H. B. Yuen, M. A. Wistey, R. Kudrawiec, and J. S. Harris, "Recent Progress on 1. 55-\µm Dilute-Nitride Lasers," IEEE J. Quantum Electron., vol. 43, no. 9, pp. 773-785, Sep 2007.
- J. S. Harris, R. Kudrawiec, H. B. Yuen, S. R. Bank, H. P. Bae, M. A. Wistey, D. B. Jackrel, E. R. Pickett, T. Sarmiento, L. L. Goddard, V. Lordi, and T. Gugov, "Development of GaInNAsSb alloys: Growth, band structure, optical properties and applications," Physica Status Solidi (b), vol. 244, no. 8, pp. 2707-2729, Jul 2007.
- H. P. Bae, S. R. Bank, H. B. Yuen, T. Sarmiento, E. R. Pickett, M. A. Wistey, and J. S. Harris, "Temperature dependencies of annealing behaviors of GaInNAsSb/GaNAs quantum wells for long wavelength dilute-nitride lasers," APL, vol. 90, no. 23, pp. 231119, Jun 2007.
- R. Kudrawiec, S. R. Bank, H. B. Yuen, H. P. Bae, M. A. Wistey, L. L. Goddard, J. S. Harris, M. Gladysiewicz, M. Motyka, and J. Misiewicz, "Conduction band offset for Ga0. 62In0. 38NxAs0. 991 - xSb0. 009/GaNyAs1 - y/GaAs systems with the ground state transition at 1. 5-1. 65 \µm," APL, vol. 90, no. 13, pp. 131905, Mar 2007.
- R. Kudrawiec, H. B. Yuen, S. R. Bank, H. P. Bae, M. A. Wistey, J. S. Harris, M. Motyka, and J. Misiewicz, "Fermi level shift in GaInNAsSb/GaAs quantum wells upon annealing studied by contactless electroreflectance," APL, vol. 90, no. 6, pp. 061902, Feb 2007.
- R. Kudrawiec, H. B. Yuen, M. Motyka, M. Gladysiewicz, J. Misiewicz, S. R. Bank, H. P. Bae, M. A. Wistey, and J. S. Harris, "Contactless electroreflectance of GaInNAsSb∕GaAs single quantum wells with indium content of 8%–32%," J. of Appl. Phys., vol. 101, no. 1, pp. 013504, Jan 2007.
- S. R. Bank, H. B. Yuen, H. P. Bae, M. A. Wistey, A. Moto, and J. S. Harris, "Enhanced luminescence in GaInNAsSb quantum wells through variation of the arsenic and antimony fluxes," APL, vol. 88, no. 24, pp. 241923, Jun 2006.
- R. Kudrawiec, M. Gladysiewicz, J. Misiewicz, H. B. Yuen, S. R. Bank, M. A. Wistey, H. P. Bae, and J. S. Harris, "Interband transitions in GaN0. 02As0. 98-xSbx/GaAs (0<x<0. 11) single quantum wells studied by contactless electroreflectance spectroscopy," Phys. Rev. B, vol. 73, pp. 245413, Jun 2006.
- S. R. Bank, H. B. Yuen, H. P. Bae, M. A. Wistey, and J. S. Harris, "Overannealing effects in GaInNAs(Sb) alloys and their importance to laser applications," APL, vol. 88, no. 22, pp. 221115, Dec 2006.
- H. B. Yuen, S. R. Bank, H. P. Bae, M. A. Wistey, and J. S. Harris, "Effects of strain on the optimal annealing temperature of GaInNAsSb quantum wells," APL, vol. 88, no. 22, pp. 221913, May 2006.
- R. Kudrawiec, M. Motyka, M. Gladysiewicz, J. Misiewicz, H. B. Yuen, S. R. Bank, H. P. Bae, M. A. Wistey, and J. S. Harris, "Band gap discontinuity in Ga0. 9In0. 1N0. 027As0. 973 - xSbx/GaAs single quantum wells with 0 ≤ x < 0. 06 studied by contactless electroreflectance spectroscopy," APL, vol. 88, no. 22, pp. 221113, May 2006.
- M. A. Wistey, S. R. Bank, H. P. Bae, H. B. Yuen, E. R. Pickett, L. L. Goddard, and J. S. Harris, "GaInNAsSb/GaAs vertical cavity surface emitting lasers at 1534 nm," Electron. Lett., vol. 42, no. 5, pp. 282-283, Mar 2006.
- S. R. Bank, H. P. Bae, H. B. Yuen, M. A. Wistey, L. L. Goddard, and J. S. Harris, "Room-temperature continuous-wave 1. 55 \µm GaInNAsSb laser on GaAs," Electron. Lett., vol. 42, no. 3, pp. 156-157, Feb 2006.
- H. B. Yuen, S. R. Bank, H. P. Bae, M. A. Wistey, and J. S. Harris, "The role of antimony on properties of widely varying GaInNAsSb compositions," J. Appl. Phys., vol. 99, no. 9, pp. 093504, Dec 2006.
- S. R. Bank, H. B. Yuen, M. A. Wistey, V. Lordi, H. P. Bae, and J. S. Harris, "Effects of growth temperature on the structural and optical properties of 1. 55 \µm GaInNAsSb quantum wells grown on GaAs," APL, vol. 87, no. 2, pp. 021908, Jul 2005.
- S. R. Bank, M. A. Wistey, H. B. Yuen, L. L. Goddard, H. P. Bae, and J. S. Harris, "Molecular-beam epitaxy growth of low-threshold cw GaInNAsSb lasers at 1. 5 \µm," J. Vac. Sci. Technol. B, vol. 23, no. 3, pp. 1337-1340, Jun 2005.
- M. A. Wistey, S. R. Bank, H. B. Yuen, H. P. Bae, and J. S. Harris, "Nitrogen plasma optimization for high-quality dilute nitrides," J. Cryst. Growth, vol. 278, no. 1-4, pp. 229-233, May 2005.
- R. Kudrawiec, K. Ryczko, J. Misiewicz, H. B. Yuen, S. R. Bank, M. A. Wistey, H. P. Bae, and J. S. Harris, "Band-gap discontinuity in GaN0. 02As0. 87Sb0. 11/GaAs single-quantum wells investigated by photoreflectance spectroscopy," APL, vol. 86, no. 14, pp. 141908, Mar 2005.
- R. Kudrawiec, H. B. Yuen, K. Ryczko, J. Misiewicz, S. R. Bank, M. A. Wistey, H. P. Bae, and J. S. Harris, "Photoreflectance and photoluminescence investigations of a step-like GaInNAsSb/GaAsN/GaAs quantum well tailored at 1. 5 \µm: The energy level structure and the Stokes shift," J. Appl. Phys., vol. 97, no. 5, pp. 053515, Feb 2005.
- H. B. Yuen, M. A. Wistey, S. R. Bank, H. P. Bae, and J. S. Harris, "Investigation of nitrogen flow variation into a radio frequency plasma cell on plasma properties and GaInNAs grown by molecular beam epitaxy," J. Vac. Sci. Technol. B, vol. 23, no. 3, pp. 1328-1332, Dec 2005.
- S. R. Bank, M. A. Wistey, L. L. Goddard, H. B. Yuen, H. P. Bae, and J. S. Harris, "High-performance 1. 5 \µm GaInNAsSb lasers grown on GaAs," Electron. Lett., vol. 40, no. 19, pp. 1186-1187, Sep 2004.
Conference Paper
- N. Roschewsky, E. S. Walker, P. Gowtham, S. E. Muschinske, F. Hellman, S. R. Bank, and S. Salahuddin, "Spin-orbit torque and Nernst effects in Bi-Sb/ferromagnet heterostructures," American Physical Society March Meeting (APS), Boston, MA, Mar 2019.
- S. E. Muschinske, E. S. Walker, C. J. Brennan, Y. Sun, A. Yau, T. Trivedi, A. Roy, S. D. March, A. F. Briggs, E. M. Krivoy, D. Akinwande, M. L. Lee, E. T. Yu, and S. R. Bank, "Epitaxial Growth and Characterization of 2-D BixSb1-x Alloys on Si(111)," 60th Electronic Materials Conf. (EMC), Santa Barbara, CA, Jun 2018.
- E. S. Walker, S. Ryul. Na, Y. Sun, C. J. Brennan, F. He, R. H. Roberts, N. Yoon, S. E. Muschinske, S. D. March, A. F. Briggs, D. Wasserman, D. Akinwande, Y. Wang, E. T. Yu, M. L. Lee, K. M. Liechti, and S. R. Bank, "Epitaxial Growth and Transfer of Bismuth and Bismuth Antimonide Thin Films," SRC TECHCON, Austin, TX, Sep 2017.
- S. E. Muschinske, E. S. Walker, S. Ryul. Na, S. D. March, A. F. Briggs, D. Akinwande, K. M. Liechti, and S. R. Bank, "Epitaxial Bismuth Transfer to Arbitrary Substrates Using Thermal Release Tape," 59th Electronic Materials Conf. (EMC), South Bend, IN, Jun 2017.
- E. S. Walker, S. E. Muschinske, R. H. Roberts, N. Yoon, C. J. Brennan, S. Ryul. Na, S. D. March, Y. Sun, A. F. Briggs, E. Davis, D. Akinwande, K. M. Liechti, E. T. Yu, D. Wasserman, and S. R. Bank, "Epitaxial Growth and Transfer of BixSb1-x Thin Films," 59th Electronic Materials Conf. (EMC), South Bend, IN, Jun 2017.
- E. S. Walker, C. J. Brennan, J. Damasco, S. D. March, A. F. Briggs, E. Davis, W. Zhu, D. Akinwande, N. Mason, E. T. Yu, and S. R. Bank, "Growth Optimization of Epitaxial Bismuth Thin Films Towards the 2-D Limit," 59th Electronic Materials Conf. (EMC), South Bend, IN, Jun 2017.
- J. Jeong, K. Chen, E. S. Walker, S. R. Bank, and Y. Wang, "Nanosecond Grating Imaging Technique for Measuring Thermal Transport Properties," 59th Electronic Materials Conf. (EMC), South Bend, IN, Jun 2017.
- D. J. Ironside, A. M. Skipper, T. A. Leonard, E. S. Walker, S. D. March, L. J. Nordin, D. Wasserman, and S. R. Bank, "Epitaxial Integration of High-Contrast Photonic Structures," 59th Electronic Materials Conf. (EMC), South Bend, IN, Jun 2017.
- E. S. Walker, S. Ryul. Na, D. Jung, S. D. March, Y. Liu, T. Trivedi, W. Li, L. Tao, M. L. Lee, K. M. Liechti, D. Akinwande, and S. R. Bank, "Growth and Transfer of Epitaxial Bismuth Films for Flexible Electronics," 58th Electronic Materials Conf. (EMC), Newark, DE, Jun 2016.
- S. D. Sifferman, R. Salas, S. J. Maddox, H. P. Nair, N. T. Sheehan, E. M. Krivoy, E. S. Walker, and S. R. Bank, "Surfactant-mediated growth of highly strained materials for mid-infrared applications," 57th Electronic Materials Conf. (EMC), Columbus, OH, Jun 2015.
- E. S. Walker, W. Li, S. Guchhait, M. N. Yogeesh, F. He, Y. Wang, D. Akinwande, and S. R. Bank, "In Situ Oxidation of Bismuth Thin Films Grown by Molecular Beam Epitaxy for Device Applications," 57th Electronic Materials Conf. (EMC), Columbus, OH, Jun 2015.
- D. J. Ironside, E. M. Krivoy, V. D. Dasika, E. S. Walker, K. Nguyen, J. Jeong, Y. Wang, and S. R. Bank, "Tailored III-V Metamorphic Buffer Layers utilizing Embedded Rare Earth Monopnictides for Optoelectronic Applications," 57th Electronic Materials Conf. (EMC), Columbus, OH, Jun 2015.
- E. S. Walker, E. M. Krivoy, M. N. Yogeesh, D. Akinwande, and S. R. Bank, "Semiconducting Bismuth Thin Films Grown by Molecular Beam Epitaxy for Device Applications," 56th Electronic Materials Conf. (EMC), Santa Barbara, CA, Jun 2014.
- Y. Lin, L. F. Lester, S. R. Bank, H. P. Bae, H. B. Yuen, M. A. Wistey, and J. S. Harris, "Monolithic 1. 55-µm GaInNAsSb Quantum Well Mode-Locked Lasers," Conf. on Lasers and Electro Optics (CLEO), Baltimore, MD, May 2007.
- E. R. Pickett, S. R. Bank, H. B. Yuen, H. P. Bae, T. Sarmiento, A. Marshall, and J. S. Harris, "Thermally Induced Relaxation in GaInNAsSb Quantum Well Structures," Materials Research Symposium (MRS), San Francisco, CA, Apr 2007.
- H. P. Bae, S. R. Bank, H. B. Yuen, E. R. Pickett, M. A. Wistey, and J. S. Harris, "Analysis of Relative Speed and Temperature Dependence of Constituent Processes in the Annealing of GaInNAs(Sb)," 48th Electronic Materials Conf. (EMC), University Park, PA, Jun 2006.