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.
- 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.
- M. A. Wistey, S. R. Bank, H. B. Yuen, L. L. Goddard, T. Gugov, and J. S. Harris, "Protecting wafer surface during plasma ignition using an arsenic cap," J. Vac. Sci. Technol. B, vol. 23, no. 3, pp. 1324-1327, May 2005.
- T. Gugov, V. Gambin, M. A. Wistey, H. B. Yuen, S. R. Bank, and J. S. Harris, "Use of transmission electron microscopy in the characterization of GaInNAs(Sb) quantum well structures grown by molecular beam epitaxy," J. Vac. Sci. Technol. B, vol. 22, no. 3, pp. 1588-1592, May 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.
- 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.
- 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, 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.
- M. A. Wistey, S. R. Bank, H. B. Yuen, T. Gugov, and J. S. Harris, "Protecting Wafer Surface During GaInNAs Plasma Ignition by Use of an Arsenic Cap," North American Molecular Beam Epitaxy Conf. (NAMBE), Banff, Alberta, Canada, Oct 2004.
- T. Gugov, V. Gambin, M. A. Wistey, H. B. Yuen, S. R. Bank, and J. S. Harris, "TEM Structural Characterization of GaInNAs and GaInNAsSb Quantum Wells Grown by Molecular Beam Epitaxy," 46th Electronic Materials Conf. (EMC), Notre Dame, IN, Jun 2004.
- T. Gugov, M. A. Wistey, H. B. Yuen, S. R. Bank, and J. S. Harris, "Structural Characterization of Molecular Beam Epitaxy Grown GaInNAs and GaInNAsSb Quantum Wells by Transmission Electron Microscopy," Materials Research Symposium (MRS), San Francisco, CA, Apr 2004.
- T. Gugov, V. Gambin, M. A. Wistey, H. B. Yuen, S. R. Bank, and J. S. Harris, "Use of Transmission Electron Microscopy in the Characterization of GaInNAs(Sb) Quantum Well Structures Grown by Molecular Beam Epitaxy," North American Molecular Beam Epitaxy Conf. (NAMBE), Keystone, CO, Oct 2003.