Elucidating, and then leveraging, vibrational physics and the material responses of low-dimensional systems enabling emergent optical phenomena and functionality.
1/2009 - Present | Senior Member of Technical Staff - Sandia National Laboratories
Awards
R&D 100 Award “High-Performance Nanoantenna-Enabled Detectors” (Team), 2019
R&D 100 Award “Ultra-Wide Bandgap Power Electronic Devices” (Team), 2017
Sandia National Laboratories “Up & Coming Innovator” Award, 2016
Defense Programs Award of Excellence (Team), 2014
Sandia National Laboratories “Outstanding Mentor” Award, 2012
WiTec Best Paper Award, 2011
Woodruff School Student Advisory Committee Best TA Award, 2008
Professional Societies
Associate Editor, Journal of Heat Transfer, 2017-present
Publications
T. Beechem, C. Saltonstall, T. Gilbert, J. Matson, F. Ugwu, R. Kasica, F. Bezares, J. Valentine, J. Caldwell. Influence of spatial dispersion on spectral tuning of phonon-polaritons. Physical Review B. In Press. 2019.
I. Ruiz, T. Beechem, S. Smith, P. Dickens, E. Paisley, J. Shank, S. Howell, R. Sarma, B. Draper, M. Goldflam. Interface Defect Engineering for Improved Graphene-Oxide- Semiconductor Junction Photodetectors. ACS Applied Nano Materials. In Press. 2019.
J. Lundh, B. Chatterjee, Y. Song, A. Baca, R. Kaplar, T. Beechem, A. Allerman, A. Armstrong, B. Klein, A. Bansal, D. Talreja, A. Pogrebnyakov, E. Heller, V. Goplan, J. Redwing, B. Foley, S. Choi. Multidimensional thermal analysis of an ultrawide bandgap AlGaN channel high electron mobility transistor. Applied Physics Letters (115) 153503. 2019.
M. DeCoster, X. Chen, K. Zhang, C. Rost, E. Hoglund, J. Howe, T. Beechem, P. Hopkins. Thermal Conductivity and Phonon Scattering Processes of ALD Grown PbTe–PbSe Thermoelectric Thin Films. Advanced Functional Materials. 1904073. 2019.
K. Coleman, J. Walker, T. Beechem, S. Trolier-McKinstry. Effect of Stresses on the dielectric and piezoelectric properties of Pb(Zr0.52Ti0.48)O3 thin films. Journal of Applied Physics (126) 034101. 2019. Selected as an “Editor’s Pick”
C. Saltonstall, T. Beechem, J. Amatya, J. Floro, P. Norris, P. Hopkins. Uncertainty in Linewidth Quantification of Overlapping Raman Bands. Review of Scientific Instruments (90) 013111. 2019.
I. Montano, S. Campione, J. Klem, T. Beechem, O. Wolf, M. Sinclair, T.S. Luk. Semiconductor Hyperbolic Metamaterials at the Quantum Limit. Scientific Reports (8) 16694. 2018.
T. Beechem, M. Goldflam, M. Sinclair, D. Peters, A. McDonald, E. Paisley, D.B. Burckel, P. Finnegan, A. Kitahara, D. Drury, J.W. Kim, Y. Choi, P. Ryan, J. Ihlefeld. Tunable Infrared Devices via Ferroelectric Domain Reconfiguration. Advanced Optical Materials. 1800862. 2018. (Selected as Inside Cover)
K. Freedy, T. Beechem, P. Litwin, M. Gabriela Sales, M. Huang, R. Ruoff, S. McDonnel. Unraveling Chemical Interactions between Titanium and Graphene for Electrical Contact Applications. ACS Applied Nano Materials (1) 4828. 2018.
J. McBreyer, T. Beechem, C. Appblet, F. Garzon. Polysulfide Speciation in the Bulk Electrolyte of a Lithium Sulfur Battery. Journal of the Electrochemical Society (165) A876. 2018.
M. Goldflam, I. Ruiz, S. Howell, J. Wendt, M. Sinclair, D. Peters, T. Beechem. Tunable dual-band graphene-based infrared reflectance filter. Optics Express (26) 8532. 2018.
A. Rice, A. Allerman, M. Crawford, T. Beechem, T. Ohta, C. Spataru, J. Figiel, M. Smith. Effects of deposition temperature and ammonia flow on metal-organic chemical vapor deposition of hexagonal boron nitride. Journal of Crystal Growth (485) 90. 2018.
Center for Integrated Nanotechnologies
