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9 papers · 2 filters
Magnetic resonance study of bulk and thin film EuTiO3
V. V. Laguta, S. Kamba, M. Maryško +5
Magnetic resonance spectra of EuTiO3 in both bulk and thin film form were taken at temperatures from 3-350 K and microwave frequencies from 9.2-9.8 and 34 GHz. In the paramagnetic…
Strained GaN Quantum-Well FETs on Single Crystal Bulk AlN Substrates
Meng Qi, Guowang Li, Satyaki Ganguly +8
We report the first realization of molecular beam epitaxy grown strained GaN quantum well field-effect transistors on single-crystal bulk AlN substrates. The fabricated double hete…
Intrinsic Electron Mobility Limits in beta-Ga2O3
Nan Ma, Nicholas Tanen, Amit Verma +5
By systematically comparing experimental and theoretical transport properties, we identify the polar optical phonon scattering as the dominant mechanism limiting electron mobility…
MBE-grown 232-270 nm Deep-UV LEDs using Monolayer thin Binary GaN/AlN quantum heterostructures
SM Islam, Kevin Lee, Jai Verma +5
Electrically injected deep ultra-violet (UV) emission is obtained using monolayer (ML) thin GaN/AlN quantum structures as active regions. The emission wavelength is tuned by contro…
Atomic Lattice Disorder in Charge Density Wave Phases of Exfoliated Dichalcogenides (1T-TaS2)
Robert Hovden, Adam W. Tsen, Pengzi Liu +8
Charge density waves (CDW) and their concomitant periodic lattice distortions (PLD) govern the electronic properties in many layered transition-metal dichalcogenides. In particular…
Measuring nonlinear stresses generated by defects in 3D colloidal crystals
Neil Y. C. Lin, Matthew Bierbaum, Peter Schall +2
The mechanical, structural and functional properties of crystals are determined by their defects and the distribution of stresses surrounding these defects has broad implications f…