Patrick M. Vora
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View article: Ultrastrong Coupling by Assembling Plasmonic Metal Oxide Nanocrystals in Open Cavities
Ultrastrong Coupling by Assembling Plasmonic Metal Oxide Nanocrystals in Open Cavities Open
Plasmon polaritons created by coupling optical cavity modes with plasmonic resonances offer widely tunable frequencies and strong light-matter interaction. While metallic nanocrystals (NCs) are compelling building blocks, existing approach…
View article: Dynamic phase transition into a mixed-CDW state in 1$T$-TaS$_2$ via a thermal quench
Dynamic phase transition into a mixed-CDW state in 1$T$-TaS$_2$ via a thermal quench Open
Ultrafast light-matter interaction has emerged as a new mechanism to exert control over the macroscopic properties of quantum materials toward novel functionality. To date, technological applications of these non-thermal phases are limited…
View article: CoTe<sub>2</sub>: A Quantum Critical Dirac Metal with Strong Spin Fluctuations
CoTe<sub>2</sub>: A Quantum Critical Dirac Metal with Strong Spin Fluctuations Open
Quantum critical points separating weak ferromagnetic and paramagnetic phases trigger many novel phenomena. Dynamical spin fluctuations not only suppress the long‐range order, but can also lead to unusual transport and even superconductivi…
View article: Electronic and optical characterization of bulk single crystals of cubic boron nitride (cBN)
Electronic and optical characterization of bulk single crystals of cubic boron nitride (cBN) Open
Cubic boron nitride (cBN) is a relatively less studied wide bandgap semiconductor despite its many promising mechanical, thermal, and electronic properties. We report on the electronic, structural, and optical characterization of commercia…
View article: CoTe2: A quantum critical Dirac metal with strong spin fluctuations
CoTe2: A quantum critical Dirac metal with strong spin fluctuations Open
Quantum critical points separating weak ferromagnetic and paramagnetic phases trigger many novel phenomena. Dynamical spin fluctuations not only suppress the long-range order, but can also lead to unusual transport and even superconductivi…
View article: Low-energy electronic structure of perovskite and Ruddlesden-Popper semiconductors in the Ba-Zr-S system probed by bond-selective polarized x-ray absorption spectroscopy, infrared reflectivity, and Raman scattering
Low-energy electronic structure of perovskite and Ruddlesden-Popper semiconductors in the Ba-Zr-S system probed by bond-selective polarized x-ray absorption spectroscopy, infrared reflectivity, and Raman scattering Open
Chalcogenides in perovskite and the related layered Ruddlesden-Popper crystal structures (chalcogenide perovskites for brevity) are an exciting family of semiconductors but remain experimentally little studied. Chalcogenide perovskites sha…
View article: Assessing the Needs of the Quantum Industry
Assessing the Needs of the Quantum Industry Open
Quantum information science and technology (QIST) has progressed significantly in the last decade, such that it is no longer solely in the domain of research labs, but is now beginning to be developed for, and applied in, industrial applic…
View article: Computational Methods for Charge Density Waves in 2D Materials
Computational Methods for Charge Density Waves in 2D Materials Open
Two-dimensional (2D) materials that exhibit charge density waves (CDWs)—spontaneous reorganization of their electrons into a periodic modulation—have generated many research endeavors in the hopes of employing their exotic properties for v…
View article: Review of Theoretical and Computational Methods for 2D Materials Exhibiting Charge Density Waves
Review of Theoretical and Computational Methods for 2D Materials Exhibiting Charge Density Waves Open
Two-dimensional (2D) materials that exhibit charge density waves (CDWs) have generated many research endeavors in the hopes of employing their exotic properties for various quantum-based technologies. Early investigations surrounding CDWs …
View article: Charge density wave activated excitons in TiSe2–MoSe2 heterostructures
Charge density wave activated excitons in TiSe2–MoSe2 heterostructures Open
Layered materials enable the assembly of a new class of heterostructures where lattice-matching is no longer a requirement. Interfaces in these heterostructures therefore become a fertile ground for unexplored physics as dissimilar phenome…
View article: Charge Density Wave Activated Excitons in TiSe$_2$-MoSe$_2$ Heterostructures
Charge Density Wave Activated Excitons in TiSe$_2$-MoSe$_2$ Heterostructures Open
Layered materials enable the assembly of a new class of heterostructures where lattice-matching is no longer a requirement. Interfaces in these heterostructures therefore become a fertile ground for unexplored physics as dissimilar phenome…
View article: Assessing the Needs of the Quantum Industry
Assessing the Needs of the Quantum Industry Open
Quantum information science and technology (QIST) has progressed significantly in the last decade, such that it is no longer solely in the domain of research labs, but is now beginning to be developed for, and applied in, industrial applic…
View article: Growth Kinetics and Atomistic Mechanisms of Native Oxidation of ZrS<sub><i>x</i></sub>Se<sub>2–<i>x</i></sub> and MoS<sub>2</sub> Crystals
Growth Kinetics and Atomistic Mechanisms of Native Oxidation of ZrS<sub><i>x</i></sub>Se<sub>2–<i>x</i></sub> and MoS<sub>2</sub> Crystals Open
A thorough understanding of native oxides is essential for designing semiconductor devices. Here, we report a study of the rate and mechanisms of spontaneous oxidation of bulk single crystals of ZrSxSe2-x alloys and MoS2. ZrSxSe2-x alloys …
View article: Localized Excitons in NbSe<sub>2</sub>-MoSe<sub>2</sub> Heterostructures
Localized Excitons in NbSe<sub>2</sub>-MoSe<sub>2</sub> Heterostructures Open
Neutral and charged excitons (trions) in atomically thin materials offer important capabilities for photonics, from ultrafast photodetectors to highly efficient light-emitting diodes and lasers. Recent studies of van der Waals (vdW) hetero…
View article: Tape-time processing: Kinetics and mechanisms of native oxidation of transition metal dichalcogenides ZrS$_x$Se$_{2-x}$ and MoS$_2$
Tape-time processing: Kinetics and mechanisms of native oxidation of transition metal dichalcogenides ZrS$_x$Se$_{2-x}$ and MoS$_2$ Open
A thorough understanding of the processing and properties of native oxides is essential for designing semiconductor devices. This is no less true for nanomaterials than it is for legacy semiconductors such as silicon, for which control and…
View article: Publisher Correction: Valley phenomena in the candidate phase change material WSe2(1-x)Te2x
Publisher Correction: Valley phenomena in the candidate phase change material WSe2(1-x)Te2x Open
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
View article: Phonons and excitons in ZrSe<sub>2</sub>–ZrS<sub>2</sub> alloys
Phonons and excitons in ZrSe<sub>2</sub>–ZrS<sub>2</sub> alloys Open
We combine experimental and theoretical methods to understand the impact of long-range Coulomb interactions on phonons and excitons in ZrSxSe2−x.
View article: Valley phenomena in the candidate phase change material WSe<sub>2(1-x)</sub>Te<sub>2x</sub>.
Valley phenomena in the candidate phase change material WSe<sub>2(1-x)</sub>Te<sub>2x</sub>. Open
Alloyed transition metal dichalcogenides provide an opportunity for coupling band engineering with valleytronic phenomena in an atomically-thin platform. However, valley properties in alloys remain largely unexplored. We investigate the va…
View article: 2D Materials: Tuning the Electronic and Photonic Properties of Monolayer MoS<sub>2</sub> via In Situ Rhenium Substitutional Doping (Adv. Funct. Mater. 16/2018)
2D Materials: Tuning the Electronic and Photonic Properties of Monolayer MoS<sub>2</sub> via In Situ Rhenium Substitutional Doping (Adv. Funct. Mater. 16/2018) Open
In article number 1706950, Joshua A. Robinson and co-workers demonstrate in-situ Re doping of synthetic monolayer MoS2 with ≈1 at% Re on r-plane sapphire. Electronic measurements and density functional theory calculations show that 1 at% R…
View article: The structural phases and vibrational properties of Mo <sub>1−x</sub> W <sub>x</sub> Te <sub>2</sub> alloys
The structural phases and vibrational properties of Mo <sub>1−x</sub> W <sub>x</sub> Te <sub>2</sub> alloys Open
The structural polymorphism in transition metal dichalcogenides (TMDs) provides exciting opportunities for developing advanced electronics. For example, MoTe2 crystallizes in the 2H semiconducting phase at ambient temperature and pressure,…
View article: Evolution of Raman spectra in Mo$_{1-x}$W$_x$Te$_2$ alloys
Evolution of Raman spectra in Mo$_{1-x}$W$_x$Te$_2$ alloys Open
The structural polymorphism in transition metal dichalcogenides (TMDs) provides exciting opportunities for developing advanced electronics. For example, MoTe$_2$ crystallizes in the 2H semiconducting phase at ambient temperature and pressu…
View article: Phonon Anharmonicity in Bulk <i>T</i> <sub><i>d</i></sub> -MoTe<sub>2</sub>.
Phonon Anharmonicity in Bulk <i>T</i> <sub><i>d</i></sub> -MoTe<sub>2</sub>. Open
We examine anharmonic contributions to the optical phonon modes in bulk T d -MoTe2 through temperature-dependent Raman spectroscopy. At temperatures ranging from 100 K to 200 K, we find that all modes redshift linearly with temperature in …