Search Results - "Oliver, Rachel"
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1
Preface to the special issue on Microscopy of Semiconducting Materials 2023
Published in Journal of microscopy (Oxford) (01-03-2024)Get full text
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2
Water use signature patterns for analyzing household consumption using medium resolution meter data
Published in Water resources research (01-12-2013)“…Providers of potable water to households and businesses are charged with conserving water. Addressing this challenge requires accurate information about how…”
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Crystalline Interlayers for Reducing the Effective Thermal Boundary Resistance in GaN-on-Diamond
Published in ACS applied materials & interfaces (02-12-2020)“…Integrating diamond with GaN high electron mobility transistors (HEMTs) improves thermal management, ultimately increasing the reliability and performance of…”
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Understanding the Role of Grain Boundaries on Charge‐Carrier and Ion Transport in Cs2AgBiBr6 Thin Films
Published in Advanced functional materials (01-12-2021)“…Halide double perovskites have gained significant attention, owing to their composition of low‐toxicity elements, stability in air, and recent demonstrations…”
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Spectral diffusion time scales in InGaN/GaN quantum dots
Published in Applied physics letters (18-03-2019)“…A detailed temporal analysis of the spectral diffusion phenomenon in single photon emitting InGaN/GaN quantum dots (QDs) is performed via measurements of both…”
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Scanning capacitance microscopy of GaN-based high electron mobility transistor structures: A practical guide
Published in Ultramicroscopy (01-12-2023)“…The scanning capacitance microscope (SCM) is a powerful tool to characterise local electrical properties in GaN-based high electron mobility transistor (HEMT)…”
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Efficient and Bright Deep‐Red Light‐Emitting Diodes based on a Lateral 0D/3D Perovskite Heterostructure
Published in Advanced materials (Weinheim) (01-05-2024)“…Bright and efficient deep‐red light‐emitting diodes (LEDs) are important for applications in medical therapy and biological imaging due to the high penetration…”
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Wafer-scale Fabrication of Non-Polar Mesoporous GaN Distributed Bragg Reflectors via Electrochemical Porosification
Published in Scientific reports (27-03-2017)“…Distributed Bragg reflectors (DBRs) are essential components for the development of optoelectronic devices. For many device applications, it is highly…”
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InGaN as a Substrate for AC Photoelectrochemical Imaging
Published in Sensors (Basel, Switzerland) (11-10-2019)“…AC photoelectrochemical imaging at electrolyte–semiconductor interfaces provides spatially resolved information such as surface potentials, ion concentrations…”
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Threshold voltage mapping at the nanoscale of GaN-based high electron mobility transistor structures using hyperspectral scanning capacitance microscopy
Published in Applied physics letters (03-06-2024)“…Hyperspectral scanning capacitance microscopy (SCM) measures d C / d V − V spectra at every XY location of a semiconductor sample surface area. We report its…”
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Thermal stress modelling of diamond on GaN/III-Nitride membranes
Published in Carbon (15-04-2021)“…Diamond heat-spreaders for gallium nitride (GaN) devices currently depend upon a robust wafer bonding process. Bonding-free membrane methods demonstrate…”
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Journal Article Book Review -
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Three-Photon Excitation of InGaN Quantum Dots
Published in Physical review letters (24-02-2023)“…We demonstrate that semiconductor quantum dots can be excited efficiently in a resonant three-photon process, while resonant two-photon excitation is highly…”
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13
Porous AlGaN-Based Ultraviolet Distributed Bragg Reflectors
Published in Materials (21-08-2018)“…Utilising dislocation-related vertical etching channels in gallium nitride, we have previously demonstrated a simple electrochemical etching (ECE) process that…”
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Mechanisms preventing trench defect formation in InGaN/GaN quantum well structures using hydrogen during GaN barrier growth
Published in physica status solidi (b) (01-08-2017)“…Here, we study the mechanisms underlying a method used to limit the formation of trench defects in InGaN/GaN quantum well structures by using H2 in the carrier…”
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Ultrafast, Polarized, Single-Photon Emission from m‑Plane InGaN Quantum Dots on GaN Nanowires
Published in Nano letters (14-12-2016)“…We demonstrate single-photon emission from self-assembled m-plane InGaN quantum dots (QDs) embedded on the side-walls of GaN nanowires. A combination of…”
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Room temperature quantum emitters in aluminum nitride epilayers on silicon
Published in Applied physics letters (10-06-2024)“…Room temperature quantum emitters have been reported in aluminum nitride grown on sapphire, but until now they have not been observed in epilayers grown on…”
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17
Ureteric stents on extraction strings: a systematic review of literature
Published in Urolithiasis (01-04-2018)“…Short-term ureteric stents are commonly placed after ureteroscopy. The removal usually entails having a cystoscopy, but recently, endourologists have been…”
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Let’s fix the system, not the scientists
Published in Nature reviews. Materials (01-02-2020)“…Diversity initiatives typically focus on empowering scientists from minority backgrounds to navigate academia. Although such efforts can be valuable, the…”
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Dislocation‐Induced Structural and Luminescence Degradation in InAs Quantum Dot Emitters on Silicon
Published in Physica status solidi. A, Applications and materials science (01-07-2023)“…This study probes the extent to which dislocations reduce carrier lifetimes and alter growth morphology and luminescence in InAs quantum dots (QD) grown on…”
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Core–Shell Nanorods as Ultraviolet Light-Emitting Diodes
Published in Nano letters (22-02-2023)“…Existing barriers to efficient deep ultraviolet (UV) light-emitting diodes (LEDs) may be reduced or overcome by moving away from conventional planar growth and…”
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