ProfessorNeilAlford

Axelsson A-K, Valant M, Le Goupil F, Berenov AV, Alford Net al., 2014, Lead-Free and “Exotic” Electrocaloric Materials, Electrocaloric Materials: New Generation of Coolers, Editors: Correia, Zhang, Publisher: Springer, Pages: 125-146, ISBN: 978-3-642-40263-0

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Breeze JD, Alford NMCN, 2013, Device and method for generating stimulated emission of microwave or radio frequency radiation, WO2013175235 A1

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Axelsson A-K, Aguesse F, Tileli V, Valant M, Alford NMet al., 2013, Growth mechanism and magnetism of CoFe₂O₄ thin films; Role of the substrate, JOURNAL OF ALLOYS AND COMPOUNDS, Vol: 578, Pages: 286-291, ISSN: 0925-8388

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• Citations: 14

Doig KI, Aguesse F, Axelsson AK, Alford NM, Nawaz S, Palkar VR, Jones SPP, Johnson RD, Synowicki RA, Lloyd-Hughes Jet al., 2013, Coherent magnon and acoustic phonon dynamics in tetragonal and rare-earth-doped BiFeO₃ multiferroic thin films, PHYSICAL REVIEW B, Vol: 88, ISSN: 2469-9950

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• Citations: 20

Aguesse F, Axelsson A-K, Reinhard P, Tileli V, Rupp JLM, Alford NMet al., 2013, High-temperature conductivity evaluation of Nb doped SrTiO₃ thin films: Influence of strain and growth mechanism, THIN SOLID FILMS, Vol: 539, Pages: 384-390, ISSN: 0040-6090

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• Citations: 8

Xie F, Pang J, Centeno A, Ryan M, Riley J, Alford Net al., 2013, Nanoscale control of Ag nanostructures for plasmonic fluorescence enhancement of near-infrared dyes, Nano Research, Vol: 6, Pages: 495-510, ISSN: 1998-0124

Potential utilization of proteins for early detection and diagnosis of various diseases has drawn considerable interest in the development of protein-based detection techniques. Metal induced fluorescence enhancement offers the possibility of increasing the sensitivity of protein detection in clinical applications. We report the use of tunable plasmonic silver nanostructures for the fluorescence enhancement of a near-infrared (NIR) dye (Alexa Fluor 790). Extensive fluorescence enhancement of ∼2 orders of magnitude is obtained by the nanoscale control of the Ag nanostructure dimensions and interparticle distance. These Ag nanostructures also enhanced fluorescence from a dye with very high quantum yield (7.8 fold for Alexa Fluor 488, quantum efficiency (Qy) = 0.92). A combination of greatly enhanced excitation and an increased radiative decay rate, leading to an associated enhancement of the quantum efficiency leads to the large enhancement. These results show the potential of Ag nanostructures as metal induced fluorescence enhancement (MIFE) substrates for dyes in the NIR “biological window” as well as the visible region. Ag nanostructured arrays fabricated by colloidal lithography thus show great potential for NIR dye-based biosensing applications.

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Valant M, Kolodiazhnyi T, Arcon I, Aguesse F, Axelsson A-K, Alford NMet al., 2013, Response to "Comment on "The Origin of Magnetism in Mn-Doped SrTiO3'", ADVANCED FUNCTIONAL MATERIALS, Vol: 23, Pages: 2231-2232, ISSN: 1616-301X

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• Citations: 8

Xie F, Centeno A, Zou B, Ryan MP, Riley DJ, Alford NMet al., 2013, Tunable synthesis of ordered Zinc Oxide nanoflower-like arrays, JOURNAL OF COLLOID AND INTERFACE SCIENCE, Vol: 395, Pages: 85-90, ISSN: 0021-9797

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• Citations: 20

Turcaud JA, Morrison K, Berenov A, Alford NM, Sandeman KG, Cohen LFet al., 2013, Microstructural control and tuning of thermal conductivity in La_0.67Ca_0.33MnO_3±δ, SCRIPTA MATERIALIA, Vol: 68, Pages: 510-513, ISSN: 1359-6462

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• Citations: 19

Axelsson A-K, Le Goupil F, Dunne LJ, Manos G, Valant M, Alford NMet al., 2013, Microscopic interpretation of sign reversal in the electrocaloric effect in a ferroelectric PbMg_1/3Nb_2/3O₃-30PbTiO₃ single crystal, APPLIED PHYSICS LETTERS, Vol: 102, ISSN: 0003-6951

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• Citations: 33

Zou B, Petrov PK, Alford NM, 2013, SrRuO₃ thin films grown on MgO substrates at different oxygen partial pressures, JOURNAL OF MATERIALS RESEARCH, Vol: 28, Pages: 702-707, ISSN: 0884-2914

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• Citations: 6

Xie F, Centeno A, Ryan MR, Riley DJ, Alford NMet al., 2013, Au nanostructures by colloidal lithography: from quenching to extensive fluorescence enhancement, J. Mater. Chem. B, Vol: 1, Pages: 536-543

Enhanced local electric fields are created by nanoparticles when pumped at wavelengths corresponding to Localised Surface Plasmon Resonance (LSPR) modes, leading to Metal Induced Fluorescence Enhancement (MIFE). This paper describes the fluorescent enhancement due to reproducible and tuneable Au nanostructures on glass substrates fabricated over large areas by colloidal lithography. Interparticle separation, particle resonance, and the fluorescent dye properties (quantum yield and emission/excitation wavelengths) are all important factors influencing the fluorescent enhancement. A maximum fluorescence enhancement of 69 times from near infra-red (NIR) dye Alexa Fluor[registered sign] 790 was observed.

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Centeno A, Xie F, Alford N, 2013, Predicting the fluorescent enhancement rate by Au and Ag nanospheres using FDTD analysis, Iet Nanobiotechnology

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Mojarad SA, Goss JP, Kwa KSK, Petrov PK, Zou B, Alford N, O'Neill Aet al., 2012, Anomalous resistive switching phenomenon, JOURNAL OF APPLIED PHYSICS, Vol: 112, ISSN: 0021-8979

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• Citations: 13

Pang JS, Xie F, Centeno A, Petrov PK, Ryan MP, Alford Net al., 2012, Optical absorption of metal nanoparticle arrays

A study into the enhanced optical absorption due to metal nanoparticle arrays fabricated by nanosphere lithography. Prediction and measurement has been undertaken. Implementation to improve the efficiency of PV solar cells is discussed. © 2012 OSA.

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Gammon PM, Donchev E, Perez-Tomas A, Shah VA, Pang JS, Petrov PK, Jennings MR, Fisher CA, Mawby PA, Leadley DR, Alford NMet al., 2012, A study of temperature-related non-linearity at the metal-silicon interface, JOURNAL OF APPLIED PHYSICS, Vol: 112, ISSN: 0021-8979

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• Citations: 11

Pang JS, Xie F, Centeno A, Petrov PK, Ryan MP, Alford Net al., 2012, Optical absorption of metal nanoparticle arrays

A study into the enhanced optical absorption due to metal nanoparticle arrays fabricated by nanosphere lithography. Prediction and measurement has been undertaken. Implementation to improve the efficiency of PV solar cells is discussed. © 2012 OSA.

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Pang JS, Xie F, Centeno A, Petrov PK, Ryan MP, Alford Net al., 2012, Optical absorption of metal nanoparticle arrays

A study into the enhanced optical absorption due to metal nanoparticle arrays fabricated by nanosphere lithography. Prediction and measurement has been undertaken. Implementation to improve the efficiency of PV solar cells is discussed. © 2012 OSA.

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Pang JS, Xie F, Centeno A, Petrov PK, Ryan MP, Alford Net al., 2012, Optical absorption of metal nanoparticle arrays

A study into the enhanced optical absorption due to metal nanoparticle arrays fabricated by nanosphere lithography. Prediction and measurement has been undertaken. Implementation to improve the efficiency of PV solar cells is discussed. © 2012 OSA.

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Hannemann U, Lyubina J, Ryan MP, Alford NM, Cohen LFet al., 2012, Thermopower of LaFe_13-xSi_x alloys, EPL, Vol: 100, ISSN: 0295-5075

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• Citations: 9

Pang JS, Xie F, Centeno A, Petrov PK, Ryan MP, Alford Net al., 2012, Optical absorption of metal nanoparticle arrays

© 2012 OSA. A study into the enhanced optical absorption due to metal nanoparticle arrays fabricated by nanosphere lithography. Prediction and measurement has been undertaken. Implementation to improve the efficiency of PV solar cells is discussed.

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Pang JS, Xie F, Centeno A, Petrov PK, Ryan MP, Alford Net al., 2012, Optical absorption of metal nanoparticle arrays

A study into the enhanced optical absorption due to metal nanoparticle arrays fabricated by nanosphere lithography. Prediction and measurement has been undertaken. Implementation to improve the efficiency of PV solar cells is discussed.

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Valant M, Axelsson A-K, Le Goupil F, Alford NMet al., 2012, Electrocaloric temperature change constrained by the dielectric strength, MATERIALS CHEMISTRY AND PHYSICS, Vol: 136, Pages: 277-280, ISSN: 0254-0584

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• Citations: 45

Ball J, Centeno A, Mendis BG, Reehal HS, Alford Net al., 2012, Optical characteristics of silicon nanowires grown from tin catalyst layers on silicon coated glass, OPTICS EXPRESS, Vol: 20, Pages: 20266-20275, ISSN: 1094-4087

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• Citations: 4

Oxborrow M, Breeze JD, Alford NM, 2012, Room-temperature solid-state maser, NATURE, Vol: 488, Pages: 353-+, ISSN: 0028-0836

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• Citations: 78

Aguesse F, Axelsson A-K, Valant M, Alford NMet al., 2012, Enhanced magnetic performance of CoFe₂O₄/BaTiO₃ multilayer nanostructures with a SrTiO₃ ultra-thin barrier layer, SCRIPTA MATERIALIA, Vol: 67, Pages: 249-252, ISSN: 1359-6462

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• Citations: 13

Wang YQ, Liang WS, Kong WJ, Petrov PK, Alford NMet al., 2012, Structural engineering of Ba_0.5Sr_0.5TiO₃ epitaxial films, THIN SOLID FILMS, Vol: 520, Pages: 5918-5921, ISSN: 0040-6090

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• Citations: 1

Le Goupil F, Berenov A, Axelsson A-K, Valant M, Alford NMet al., 2012, Direct and indirect electrocaloric measurements on ⟨001⟩-PbMg_1/3Nb_2/3O₃-30PbTiO₃ single crystals, JOURNAL OF APPLIED PHYSICS, Vol: 111, ISSN: 0021-8979

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• Citations: 88

Valant M, Kolodiazhnyi T, Arcon I, Aguesse F, Axelsson A-K, Alford NMet al., 2012, The Origin of Magnetism in Mn-Doped SrTiO3, ADVANCED FUNCTIONAL MATERIALS, Vol: 22, Pages: 2114-2122, ISSN: 1616-301X

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• Citations: 55

Li C-Y, Liu X-H, Diao F-Y, Liang W-S, Wang Y-Q, Petrov P, Alford Net al., 2012, Microstructural Defects and Their Formation Mechanisms in Ba_0.75Sr_0.25TiO₃ Epitaxial Film, JOURNAL OF INORGANIC MATERIALS, Vol: 27, Pages: 285-290, ISSN: 1000-324X

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