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.
- F. He, N. T. Sheehan, S. R. Bank, and Y. Wang, "Giant electron-phonon coupling detected under surface plasmon resonance in Au film," Opt. Lett., vol. 44, no. 18, pp. 4590-4593, Sep 2019.
- 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.
- K. Chen, X. Meng, F. He, Y. Zhou, J. Jeong, N. T. Sheehan, S. R. Bank, and Y. Wang, "Comparison between Grating Imaging and Transient Grating Techniques on Measuring Carrier Diffusion in Semiconductor," Nanoscale and Microscale Thermophysical Engineering, vol. 22, no. 4, pp. 348-359, Aug 2018.
- 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.
- K. Chen, N. T. Sheehan, F. He, X. Meng, S. C. Mason, S. R. Bank, and Y. Wang, "Measurement of Ambipolar Diffusion Coefficient of Photoexcited Carriers with Ultrafast Reflective Grating-Imaging Technique," ACS Photonics, vol. 4, pp. 1440-1446, May 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.
- K. Chen, M. N. Yogeesh, Y. Huang, S. Zhang, F. He, X. Meng, S. Fang, N. T. Sheehan, T. H. Tao, S. R. Bank, J. Lin, D. Akinwande, P. Sutter, T. Lai, and Y. Wang, "Non-destructive measurement of photoexcited carrier transport in graphene with ultrafast grating imaging technique," Carbon, vol. 107, pp. 233-239, Oct 2016.
- (Invited) S. D. Sifferman, H. P. Nair, R. Salas, N. T. Sheehan, S. J. Maddox, A. M. Crook, and S. R. Bank, "Highly strained mid-infrared type-I diode lasers on GaSb," IEEE J. Sel. Top. Quantum Electron., vol. 21, no. 6, pp. 248-257, Nov 2015.
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.
- R. H. El-Jaroudi, N. T. Sheehan, K. M. McNicholas, D. J. Ironside, A. F. Briggs, A. M. Skipper, S. D. Sifferman, and S. R. Bank, "Strain Engineering of Nanomembranes with Amorphous Silicon," 60th Electronic Materials Conf. (EMC), Santa Barbara, CA, Jun 2018.
- 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, 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.
- 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.
- 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.
- 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. 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.
- (Invited) S. R. Bank, S. D. Sifferman, H. P. Nair, N. T. Sheehan, R. Salas, S. J. Maddox, and A. M. Crook, "Highly strained type-I diode lasers on GaSb," SPIE Photonics West, San Francisco, CA, Feb 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.
- R. Salas, N. T. Sheehan, S. Guchhait, K. M. McNicholas, S. D. Sifferman, V. D. Dasika, E. M. Krivoy, and S. R. Bank, "Properties of Growth Enhanced ErAs:InGaAs Nanocomposites," 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, 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.
- 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.
- H. P. Nair, R. Salas, N. T. Sheehan, S. J. Maddox, and S. R. Bank, "3. 4 \µm Diode Lasers Employing Al-Free GaInAsSb/GaSb MQW Active Regions at 20°C," 71st Device Research Conf. (DRC), South Bend, IN, Jun 2013.