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Article
Open AccessDeep reinforcement learning for efficient measurement of quantum devices
Deep reinforcement learning is an emerging machine-learning approach that can teach a computer to learn from their actions and rewards similar to the way humans learn from experience. It offers many advantages...
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Chapter
Eight Oxford Questions: Quantum Mechanics Under a New Light
Conceptual and experimental advances are opening up possibilities for addressing new questions in quantum theory. What is changing is the potential for relating conceptual and theoretical developments to fores...
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Article
Open AccessMachine learning enables completely automatic tuning of a quantum device faster than human experts
Variability is a problem for the scalability of semiconductor quantum devices. The parameter space is large, and the operating range is small. Our statistical tuning algorithm searches for specific electron tr...
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Article
Open AccessRadio-frequency optomechanical characterization of a silicon nitride drum
On-chip actuation and readout of mechanical motion is key to characterize mechanical resonators and exploit them for new applications. We capacitively couple a silicon nitride membrane to an off resonant radio...
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Article
A coherent nanomechanical oscillator driven by single-electron tunnelling
A single-electron transistor embedded in a nanomechanical resonator represents an extreme limit of electron–phonon coupling. While it allows fast and sensitive electromechanical measurements, it also introduce...
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Article
Open AccessPublisher Correction: Efficiently measuring a quantum device using machine learning
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
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Article
Open AccessEfficiently measuring a quantum device using machine learning
Scalable quantum technologies such as quantum computers will require very large numbers of quantum devices to be characterised and tuned. As the number of devices on chip increases, this task becomes ever more...
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Chapter and Conference Paper
Experimental Implementations of Quantum Paradoxes
Remarkable progress is being made in experiments that highlight the distinctive predictions of quantum mechanics. The Leggett-Garg inequality was devised to test for macrorealism (Leggett and Garg in Phys. Rev...
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Article
Monte Carlo Simulation of Vapour Deposition of Nonstoichiometric Amorphous Silica
Monte Carlo simulation of deposition of nonstoichiometric amorphous SiOx nanolayers from vapor phase onto a polymer surface is reported. The model developed is based on the network properties of silica and takes ...
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Article
Optimal Morphology for a Composite Solar Cell
Charge transport in a composite solar cell (CSC) is analysed by considering independent and random migration of the photo-generated electrons/holes over interpenetrating conducting networks. It is shown that b...
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Chapter and Conference Paper
Electron Energy Loss Spectroscopy of La@C82 peapods
Carbon nanomaterials, such as fullerenes and nanotubes, have potential applications, such as drug carriers [1] and in quantum nanotechnology [2]. In order to use these materials fully, it is necessary to have ...
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Article
Diameter-selective encapsulation of metallocenes in single-walled carbon nanotubes
Encapsulation of organic molecules in carbon nanotubes has opened a new route for the fabrication of hybrid nanostructures. Here we show that diameter-selective encapsulation of two metallocene compounds bis(c...
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Article
Finite Element Analysis of CoSi2 Nanocrystals on Si(001)
In this work we present a finite element analysis of pyramidal and hut-shaped CoSi2 nanocrystals reactively deposited onto Si(001) substrates. These dots have been observed by us, as well as by other groups. Our ...
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Article
Small Intestine Wall Distribution of Elastic Stiffness Measured With 500 MHz Scanning Acoustic Microscopy
Obtaining data relating intestinal mechanical properties and histology is a step towards the next level in the hierarchy of structure of living tissue, and may provide new insight into the mechanisms of intest...
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Article
Surface studies of phase formation in Co–Ge system: Reactive deposition epitaxy versus solid-phase epitaxy
Morphological evolution of cobalt germanide epilayers, CoxGey, was investigated in situ by scanning tunneling microscopy and spectroscopy and reflection high-energy electron diffraction, as a function of depositi...
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Article
Nanoscale Elastic Imaging of Aluminum/Low-k Dielectric Interconnect Structures
A new characterization tool based on ultrasonic force microscopy (UFM) has been developed to image the nanometer scale mechanical properties of aluminum/low-k polymer damascence integrated circuit (IC) test st...
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Article
Using Growth Kinetics for Nanoengineering of Si-Ge Surfaces
In this work we explore how various growth characteristics of Ge on Si(001) can be used to fabricate structures for potential nanodevices. In the first example, the self-assembling tendency of germanium for th...
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Article
Imaging insulating oxides by elevated-temperature STM
(111), UO2(110), and NiO(001) surfaces, and have obtained atomic resolution data that are comparable in quality with images of other oxides that can be imaged at room temperature. Electronic structure modelling i...
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Chapter
Characterization Of Epoxy-Coated Oxide Films Using Acoustic Microscopy
An adhesive joint consisting of aluminum adherends bonded with an epoxy adhesive is composed of three main layers. The adherends are usually a few millimeters thick with a layer of epoxy adhesive between one a...
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Chapter
Elevated-Temperature STM Study of Ge and Si Growth on Si(001) From GeH4 and Si2H6
In this study we have investigated the mechanism of Si and Ge growth from gaseous precursors, at intermediate temperatures, in elevated-temperature scanning tunnelling microscope (STM). Based on our observatio...
