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A Simple Numerical Method for Evaluating Heat Dissipation from Curved Wires with Periodic Applied Heating
Gabriel R. Jaffe, Victor W. Brar, Max G. Lagally +1
In many situations, the dual-purpose heater/thermometer wires used in the three-omega method, one of the most precise and sensitive techniques for measuring the thermal conductivit…
Long Phonon Mean Free Paths Observed in Cross-plane Thermal-Conductivity Measurements of Exfoliated Hexagonal Boron Nitride
Gabriel R. Jaffe, Keenan J. Smith, Kenji Watanabe +4
Sub-micron-thick layers of hexagonal boron nitride (hBN) exhibit high in-plane thermal conductivity, useful optical properties, and serve as dielectric encapsulation layers with lo…
Three-Omega Thermal-Conductivity Measurements with Curved Heater Geometries
Gabriel R. Jaffe, Keenan J. Smith, Victor W. Brar +2
The three-omega method, a powerful technique to measure the thermal conductivity of nanometer-thick films and the interfaces between them, has historically employed straight conduc…
Semi-adsorption-controlled growth window for half Heusler FeVSb epitaxial films
Estiaque H. Shourov, Ryan Jacobs, Wyatt A. Behn +8
The electronic, magnetic, thermoelectric, and topological properties of Heusler compounds (composition or ) are highly sensitive to stoichiometry and defects. Here we…
Dynamic Bandstructure and Capacitance Effects in Scanning Tunneling Spectroscopy of Bilayer Graphene
Gregory R. Holdman, Zachary J. Krebs, Wyatt A. Behn +4
We develop a fully self-consistent model to describe scanning tunneling spectroscopy (STS) measurements of Bernal-stacked bilayer graphene (BLG), and we compare the results of our…
Gate-Controlled Ionization and Screening of Cobalt Adatoms on a Graphene Surface
Victor W. Brar, Regis Decker, Hans-Michael Solowan +9
We describe scanning tunneling spectroscopy (STS) measurements performed on individual cobalt (Co) atoms deposited onto backgated graphene devices. We find that Co adatoms on graph…