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https://www.nist.gov/people/kris-bertness
Kris A. Bertness (Fed)
Research Interests
Semiconductor metrology, devices, and crystal growth.
GaN and related wide-band-gap semiconductors.
Nanophononic metamaterials for thermoelectric devices.
K. A. Bertness, Matt D. Brubaker, and William Old, "Nanowire article and processes for making and using same," U. S. Patent No. 9,460,921, issued October 2016.
K. A. Bertness, N. A. Sanford, P. Kabos, T. M. Wallis, “Scanning Probe Microscopy Instrument and Method Therefor,” U. S. Patent Number 8,484,756; issued July 2013.
K. A. Bertness, “Fractional phase measurement by polarization-dependent spectroscopy,” U. S. Patent Number 6,121,051; issued September 19, 2000.
Bryan Spann, Joel Weber, Matthew Brubaker, Todd E. Harvey, LINA YANG, Hossein Honarvar, Chia-Nien Tsai, Andrew Treglia, MINHYEA LEE, MAHMOUD HUSSEIN, Kris A. Bertness
Thermoelectric materials convert heat into electricity through thermally driven charge transport in solids or vice versa for cooling. To compete with
Kristen Genter, Matthew Brubaker, Samuel Berweger, Jonas Gertsch, Kris A. Bertness, Pavel Kabos, Victor Bright
Gallium nitride nanowires (NWs) grown on silicon-on-insulator wafers by means of selective area epitaxy are directly integrated into scanning probe cantilever
Luis Miaja Avila, Benjamin Caplins, Ann Debay, Paul T. Blanchard, Matthew D. Brubaker, Albert Davydov, David R. Diercks, Brian Gorman, Ashwin Rishinaramangalam, Daniel Feezell, Kristine A. Bertness, Norman Sanford
Matthew Brubaker, Alexana Roshko, Samuel Berweger, Paul T. Blanchard, Todd E. Harvey, Norman A. Sanford, Kris A. Bertness
Lateral piezoresponse force microscopy (L-PFM) is demonstrated as a reliable method for determining the crystallographic polarity of individual, dispersed GaN
Matthew D. Brubaker, Bryan T. Spann, Kristen L. Genter, Alexana Roshko, Paul T. Blanchard, Todd E. Harvey, Kristine A. Bertness
Nanowire-based ultraviolet (UV) LEDs hold great promise as nanoscale light sources, potentially enabling advanced scanning microscopy probes capable of
A nanophononic metamaterial-based thermoelectric energy conversion device and processes for fabricating a nanophononic metamaterial-based thermoelectric energy conversion device is provided. In one implementation, for example, a nanophononic metamaterial-based thermoelectric energy conversion device
A core-shell nanofin vertical switch performs high-voltage switching and includes: an n-type GaN nanofin core including: an n-type drift layer; an n-type channel; and an n-type source; a p-type nanofin shell surrounding the n-type GaN nanofin core at an interface surface of the n-type GaN nanofin