274 citations · 2.1k across the 64 of their papers we have counts for
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Temperature Dependent Low-Frequency Noise Characteristics of NiO/GaO p-n Heterojunction Diodes
Subhajit Ghosh, Dinusha Herath Mudiyanselage, Fariborz Kargar +3
We report on the temperature dependence of the low-frequency electronic noise in NiO/GaO p-n heterojunction diodes. The noise spectral density is of the 1/f-type near r…
Electrical Gating of the Charge-Density-Wave Phases in Quasi-2D h-BN/1T-TaS Devices
Maedeh Taheri, Jonas Brown, Adil Rehman +5
We report on electrical gating of the charge-density-wave phases and current in h-BN capped three-terminal 1T-TaS heterostructure devices. It is demonstrated that the applicati…
Excess Noise in High-Current Diamond Diodes -- Physical Mechanisms and Implications for Reliability Assessment
Subhajit Ghosh, Harshad Surdi, Fariborz Kargar +5
We report results of an investigation of low-frequency excess noise in high-current diamond diodes. It was found that the electronic excess noise of the diamond diodes is dominated…
Efficient Absorption of Terahertz Radiation in Graphene Polymer Composites
Zahra Barani, Kamil Stelmaszczyk, Fariborz Kargar +4
We demonstrate that polymer composites with a low loading of graphene, below 1.2 wt. %, are efficient as electromagnetic absorbers in the THz frequency range. The epoxy-based graph…
Thermal Transport in Graphene Composites: The Effect of Lateral Dimensions of Graphene Fillers
Sriharsha Sudhindra, Farnia Rashvand, Dylan Wright +6
We report on the investigation of thermal transport in non-cured silicone composites with graphene fillers of different lateral dimensions. Graphene fillers are comprised of few-la…
Charge Transport in Electronic Devices Printed with Inks of Quasi-1D van der Waals Materials
Saba Baraghani, Jehad Abourahma, Zahra Barani +6
We report on fabrication and characterization of electronic devices printed with inks of quasi-1D van der Waals materials. The quasi-1D van der Waals materials are characterized by…
Noncured Graphene Thermal Interface Materials: Minimizing the Thermal Contact Resistance
Sriharsha Sudhindra, Fariborz Kargar, Alexander A. Balandin
We report on experimental investigation of thermal contact resistance of the noncuring graphene thermal interface materials with the surfaces characterized by different degree of r…
Thermally-Driven Charge-Density-Wave Transitions in 1T-TaS2 Thin-Film Devices: Prospects for GHz Switching Speed
Amirmahdi Mohammadzadeh, Saba Baraghani, Shenchu Yin +3
We report on the room-temperature switching of 1T-TaS2 thin-film charge-density-wave devices, using nanosecond-duration electrical pulsing to construct their time-resolved current-…
Brillouin-Mandelstam Light Scattering Spectroscopy: Applications in Phononics and Spintronics
Fariborz Kargar, Alexander A. Balandin
Recent years witnessed much broader use of Brillouin inelastic light scattering spectroscopy for the investigation of phonons and magnons in novel materials, nanostructures, and de…
Review of Graphene-based Thermal Polymer Nanocomposites: Current State of the Art and Future Prospects
Jacob S. Lewis, Timothy Perrier, Zahra Barani +2
We review the current state of the art of graphene-enhanced thermal interface materials for the management of heat the next generation of electronics. Increased integration densiti…
High-Temperature Electromagnetic and Thermal Characteristics of Graphene Composites
Zahra Barani, Fariborz Kargar, Amirmahdi Mohammadzadeh +4
We describe a method for scalable synthesis of epoxy composites with graphene and few-layer graphene fillers, and report on the electromagnetic interference (EMI) shielding and the…
Graphene Composites as Efficient Electromagnetic Absorbers in the Extremely High Frequency Band
Zahra Barani, Fariborz Kargar, Konrad Godziszewski +6
We report on the synthesis of the epoxy-based composites with graphene fillers and testing their electromagnetic shielding efficiency by the quasi-optic free-space method in the ex…
Properties of Shape-Engineered Phoxonic Crystals: Brillouin-Mandelstam Spectroscopy and Ellipsometry Study
Chun Yu Tammy Huang, Fariborz Kargar, Topojit Debnath +6
We report the results of Brillouin-Mandelstam spectroscopy and Mueller matrix spectroscopic ellipsometry of the nanoscale "pillar with the hat" periodic silicon structures, reveali…
Synthesis and Properties of Non-Curing Graphene Thermal Interface Materials
Sahar Naghibi, Fariborz Kargar, Dylan Wright +5
Development of the next generation thermal interface materials with high thermal conductivity is important for thermal management and packaging of electronic devices. We report on…
Amplitude and Phase Noise of Magnons
Sergey Rumyantsev, Michael Balinskiy, Fariborz Kargar +2
The low-frequency amplitude and phase noise spectra of magnetization waves, i.e. magnons, was measured in the yttrium iron garnet (YIG) waveguides. This type of noise, which origin…
Thermal Properties of the Binary-Filler Composites with Few-Layer Graphene and Copper Nanoparticles
Zahra Barani, Amirmahdi Mohammadzadeh, Adane Geremew +5
The thermal properties of an epoxy-based binary composites comprised of graphene and copper nanoparticles are reported. It is found that the "synergistic" filler effect, revealed a…
Electric Switching of the Charge-Density-Wave and Normal Metallic Phases in Tantalum Disulfide Thin-Film Devices
A. Geremew, S. Rumyantsev, F. Kargar +7
We report on switching among three charge-density-wave phases - commensurate, nearly commensurate, incommensurate - and the high-temperature normal metallic phase in thin-film 1T-T…
Thermal and Electrical Properties of Hybrid Composites with Graphene and Boron Nitride Fillers
Jacob S. Lewis, Zahra Barani, Andres Sanchez Magana +2
We report on the thermal and electrical properties of hybrid epoxy composites with graphene and boron nitride fillers. The thicknesses, lateral dimensions, and aspect ratios of eac…
Proton-Irradiation-Immune Electronics Implemented with Two-Dimensional Charge-Density-Wave Devices
A. Geremew, F. Kargar, E. X. Zhang +8
Proton radiation damage is an important failure mechanism for electronic devices in near-Earth orbits, deep space and high energy physics facilities. Protons can cause ionizing dam…
Graphene Composites with Dual Functionality: Electromagnetic Shielding and Thermal Management
Fariborz Kargar, Zahra Barani, Michael G. Balinskiy +3
We report on the synthesis and characterization of the epoxy-based composites with the few-layer graphene fillers, which are capable of the duel functional applications. It was fou…