activity
20092021
most citedCorrelating Raman Spectral Signatures with Carrier Mobility in Epitaxial Graphene: A Guide to Achieving High Mobility on the Wafer Scale

199 citations · 870 across the 26 of their papers we have counts for

collaborators

27 papers

cond-mat.mtrl-sci2021★ 11 cited

Assessment of the (010) -GaO Surface and Substrate Specification

Michael A. Mastro, Charles R. Eddy, Marko J. Tadjer +3

Recent breakthroughs in bulk crystal growth of the thermodynamically stable beta phase of gallium oxide (-GaO) have led to the commercialization of large-area beta-Ga$_2…

physics.app-ph2020★ 1 cited

III-Nitride Nanowire Based Light Emitting Diodes on Carbon Paper

Michael A. Mastro, Travis J. Anderson, Marko J. Tadjer +4

This article presents the use of flexible carbon substrates for the growth of III-nitride nanowire light emitters. A dense packing of gallium nitride nanowires were grown on a carb…

physics.app-ph2020

Nickel Foam as a Substrate for III-nitride Nanowire Growth

Michael A. Mastro, Neeraj Nepal, Fritz Kub +3

This article presents the use of flexible metal foam substrates for the growth of III-nitride nanowire light emitters to tackle the inherent limitations of thin-film light emitting…

physics.app-ph2020★ 8 cited

Polarization and Space Charge Limited Current in III-Nitride Heterostructure Nanowires

Michael A. Mastro, Hong-Youl Kim, Jaehui Ahn +5

An undoped AlGaN/GaN nanowire demonstrated p-type conductivity based solely on the formation of hole carriers in response to the negative polarization field at the (000-1) AlGaN/Ga…

physics.app-ph2020

Plasmonically-Enhanced Emission from an Inverted GaN Light Emitting Diode

Michael A. Mastro, Byung-Jae Kim, J. A. Freitas +5

Silver nanoparticles dispersed on the surface of an inverted GaN LED were found to plasmonically enhance the near-bandedge emission. The resonant surface plasmon coupling led to a…

physics.app-ph2020

Design of Gallium Nitride Resonant Cavity Light Emitting Diodes on Si Substrates

Michael A. Mastro, Joshua D. Caldwell, Ron T. Holm +2

A GaN resonant cavity light emitting diode was built on a GaN-AlN distributed Bragg reflector grown on a silicon substrate. The electroluminescence output increased by 2.5 times fo…