Search Results - "Maude, Duncan"
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Unraveling the Exciton Binding Energy and the Dielectric Constant in Single-Crystal Methylammonium Lead Triiodide Perovskite
Published in The journal of physical chemistry letters (20-04-2017)“…We have accurately determined the exciton binding energy and reduced mass of single crystals of methylammonium lead triiodide using magneto-reflectivity at…”
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Moiré Intralayer Excitons in a MoSe 2 /MoS 2 Heterostructure
Published in Nano letters (12-12-2018)“…Spatially periodic structures with a long-range period, referred to as a moiré pattern, can be obtained in van der Waals bilayers in the presence of a small…”
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3
Moiré Intralayer Excitons in a MoSe2/MoS2 Heterostructure
Published in Nano letters (12-12-2018)“…Spatially periodic structures with a long-range period, referred to as a moiré pattern, can be obtained in van der Waals bilayers in the presence of a small…”
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4
Evidence for large thermodynamic signatures of in-gap fermionic quasiparticle states in a Kondo insulator
Published in Nature communications (12-09-2024)“…The mixed-valence compound YbB 12 displays paradoxical quantum oscillations in electrical resistivity and magnetic torque in a regime with a well-developed…”
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Determining Interaction Enhanced Valley Susceptibility in Spin-Valley-Locked MoS 2
Published in Nano letters (13-03-2019)“…Two-dimensional transition metal dichalcogenides (TMDCs) are recently emerged electronic systems with various novel properties, such as spin-valley locking,…”
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6
Unveiling the double-peak structure of quantum oscillations in the specific heat
Published in Nature communications (08-11-2023)“…Quantum oscillation phenomenon is an essential tool to understand the electronic structure of quantum matter. Here we report a systematic study of quantum…”
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Quantification of Exciton Fine Structure Splitting in a Two-Dimensional Perovskite Compound
Published in The journal of physical chemistry letters (26-05-2022)“…Applications of two-dimensional (2D) perovskites have significantly outpaced the understanding of many fundamental aspects of their photophysics. The optical…”
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The Impact of Phase Retention on the Structural and Optoelectronic Properties of Metal Halide Perovskites
Published in Advanced materials (Weinheim) (01-12-2016)“…The extent to which the soft structural properties of metal halide perovskites affect their optoelectronic properties is unclear. X‐ray diffraction and…”
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Thickness-Dependent Dark-Bright Exciton Splitting and Phonon Bottleneck in CsPbBr3‑Based Nanoplatelets Revealed via Magneto-Optical Spectroscopy
Published in Nano letters (14-09-2022)“…The optimized exploitation of perovskite nanocrystals and nanoplatelets as highly efficient light sources requires a detailed understanding of the energy…”
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10
Defect Healing and Charge Transfer-Mediated Valley Polarization in MoS2/MoSe2/MoS2 Trilayer van der Waals Heterostructures
Published in Nano letters (12-07-2017)“…Monolayer transition metal dichalcogenides (TMDCs) grown by chemical vapor deposition (CVD) are plagued by a significantly lower optical quality compared to…”
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Brightening of dark excitons in 2D perovskites
Published in Science advances (12-11-2021)“…Optically inactive dark exciton states play an important role in light emission processes in semiconductors because they provide an efficient nonradiative…”
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12
Thickness-Dependent Dark-Bright Exciton Splitting and Phonon Bottleneck in CsPbBr 3 -Based Nanoplatelets Revealed via Magneto-Optical Spectroscopy
Published in Nano letters (14-09-2022)“…The optimized exploitation of perovskite nanocrystals and nanoplatelets as highly efficient light sources requires a detailed understanding of the energy…”
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13
Determining Interaction Enhanced Valley Susceptibility in Spin-Valley-Locked MoS2
Published in Nano letters (13-03-2019)“…Two-dimensional transition metal dichalcogenides (TMDCs) are recently emerged electronic systems with various novel properties, such as spin-valley locking,…”
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14
Polaron Vibronic Progression Shapes the Optical Response of 2D Perovskites
Published in Advanced science (01-02-2024)“…The optical response of 2D layered perovskites is composed of multiple equally‐spaced spectral features, often interpreted as phonon replicas, separated by an…”
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15
Broad Tunability of Carrier Effective Masses in Two-Dimensional Halide Perovskites
Published in ACS energy letters (13-11-2020)“…The effective mass of charge carriers is a crucial parameter for the design of any optoelectronic device. The estimated values of the effective mass of 2D…”
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16
Symmetry Breakdown in Franckeite: Spontaneous Strain, Rippling, and Interlayer Moiré
Published in Nano letters (12-02-2020)“…Franckeite is a naturally occurring layered mineral with a structure composed of alternating stacks of SnS2-like and PbS-like layers. Although this…”
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Bright Excitonic Fine Structure in Metal-Halide Perovskites: From Two-Dimensional to Bulk
Published in Journal of the American Chemical Society (21-02-2024)“…The optical response of two-dimensional (2D) perovskites, often referred to as natural quantum wells, is primarily governed by excitons, whose properties can…”
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Approaching the Intrinsic Properties of Moiré Structures Using Atomic Force Microscopy Ironing
Published in Nano letters (14-06-2023)“…Stacking monolayers of transition metal dichalcogenides (TMDs) has led to the discovery of a plethora of new exotic phenomena, resulting from moiré pattern…”
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Magnetotransport in Two-Dimensional Electron Gas in Helical Nanomembranes
Published in Nano letters (11-03-2015)“…Heterostructures containing high-mobility two-dimensional electron gas were rolled into freestanding helically shaped contacted Hall bars. Magnetotransport…”
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Intervalley Scattering of Interlayer Excitons in a MoS2/MoSe2/MoS2 Heterostructure in High Magnetic Field
Published in Nano letters (13-06-2018)“…Degenerate extrema in the energy dispersion of charge carriers in solids, also referred to as valleys, can be regarded as a binary quantum degree of freedom,…”
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