James Edgar

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Professor

University of Kansas

United States

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James Edgar is a Professor at Kansas State University, United States. His research primarily focuses on the photophysics of two-dimensional materials, including studies on excitons and their interactions in various heterostructures. He has authored numerous articles exploring topics such as carrier diffusion in hexagonal boron nitride, magnetoresistance in topological semimetals, and the potential applications of ceramic materials in nuclear contexts.

Recent Grants

Grant: Close

High Quality Large Area Hexagonal Boron Nitride Crystals for 2D Electronics, Optoelectronics and Photonics

Open Date: 2022-09-01

Close Date: 2025-08-01

Grant: Close

Planning I/UCRC Kansas State University: Center for On-the-Move Energy Technologies (COMET)

Open Date: 2017-03-01

Close Date: 2019-02-28

Grant: Close

Hexagonal Boron Nitride Crystal Growth from Solution: A Study of Fundamentals

Open Date: 2015-09-01

Close Date: 2018-08-31

Grant: Close

Scandium Nitride Crystal Growth and Characterization

Open Date: 2015-07-01

Close Date: 2019-06-30

Grant: Close

I-Corps: Hexagonal Boron Nitride for Electronic Devices

Open Date: 2013-05-01

Close Date: 2014-04-30

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Collaborators (27)

Eugene Demler

Professor

ETH Zurich

SWITZERLAND

James Edgar

Research Interests

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About

Recent Grants

Articles (29)

Unconventional unidirectional magnetoresistance in heterostructures of a topological semimetal and a ferromagnet

Hall signal dominated microwave transmission through graphene-loaded waveguides

Photophysics of Direct and Indirect Interlayer Excitons in MoS2/WS2 Moiré Superlattices

Intralayer Carrier Diffusion and Exciton‐Exciton Annihilation in Hexagonal Boron Nitride Investigated by Two‐Color Pump‐Probe Experiments

Direct Ink Writing and Characterization of ZrC-Based Ceramic Pellets for Potential Nuclear Applications

Importance of pure dephasing in the optical response of excitons in high-quality van der Waals heterostructures

Exciton Self-Trapping in Twisted Hexagonal Boron Nitride homostructures

Hyperbolic phonon-polariton electroluminescence in 2D heterostructures

Intrinsic High-Fidelity Spin Polarization of Charged Vacancies in Hexagonal Boron Nitride

Growth of Hexagonal Boron Nitride from Molten Nickel Solutions: A Reactive Molecular Dynamics Study

Bound States in the Continuum and Long-Range Coupling of Polaritons in Hexagonal Boron Nitride Nanoresonators

Low Dielectric Medium for Hyperbolic Phonon Polariton Waveguide in van der Waals Heterostructures

Deep subwavelength topological edge state in a hyperbolic medium

Atomic-force-microscopy-based time-domain two-dimensional infrared nanospectroscopy

Spatiotemporal beating and vortices of van der Waals hyperbolic polaritons

Hexagonal Boron Nitride Slab Waveguides for Enhanced Spectroscopy of Encapsulated 2D Materials

Isotope engineering for spin defects in van der Waals materials

A planar defect spin sensor in a two-dimensional material susceptible to strain and electric fields

Van der Waals isotope heterostructures for engineering phonon polariton dispersions

Chemically detaching hBN crystals grown at atmospheric pressure and high temperature for high-performance graphene devices

Thermopower in hBN/graphene/hBN superlattices

Anomalous isotope effect on mechanical properties of single atomic layer Boron Nitride

Dual-Band Coupling of Phonon and Surface Plasmon Polaritons with Vibrational and Electronic Excitations in Molecules

Transverse Hypercrystals Formed by Periodically Modulated Phonon Polaritons

Negative refraction in hyperbolic hetero-bicrystals

Edge magnetism of triangular graphene nanoflakes embedded in hexagonal boron nitride

Auger Recombination Kinetics of the Free Carriers in Hexagonal Boron Nitride

Polariton design and modulation via van der Waals/doped semiconductor heterostructures

Remote near-field spectroscopy of vibrational strong coupling between organic molecules and phononic nanoresonators

Collaborators (27)

Eugene Demler

Aaron Sternbach

Bernd Beschoten

Adib Taba

Adam Gali

D. N. Basov

Tongcang Li

David Mandrus

Siyuan Dai

Irina Grigorieva

Sanjay Behura

Masoud Mahjouri-Samani

Dong Qian

Yandong Li

Jeffrey Comer

Ivan J. Vera-Marun

Scott Dietrich

Peter Udvarhelyi

Christoph Stampfer

Chong Zu

Thomas Folland

Jyoti Katoch

Paul Kögerler

Brian Kim

Ran Cheng

Ioannis Chatzakis

Mingyuan Chen

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