Imperial College London
Alternate

ProfessorNeilAlford

Faculty of Engineering, Department of Materials

Professor of Materials
 
 
 
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Contact

 

+44 (0)20 7594 6724n.alford

 
 
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Assistant

 

Ms Karen Murphy +44 (0)20 7594 3330

 
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Location

 

2..05 (in RSM)Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

441 results found

ALFORD NEIL MCNEILL, HARMER MARK ANDREW, 1992, HIGH EFFICIENCY ANTENNA, AU618592B

Patent

ANGADI MA, CASSIDY SM, LAVERTY JR, SHEN ZX, CAPLIN AD, ALFORD NM, BUTTON TWet al., 1992, TRANSPORT CRITICAL CURRENTS, IV CHARACTERISTICS AND MAGNETIZATION OF YBA2CU3O7 THICK-FILMS, 6TH INTERNATIONAL WORKSHOP ON CRITICAL CURRENTS, Publisher: ADAM HILGER LTD, Pages: S172-S175

Conference paper

ANGADI MA, CASSIDY SM, LAVERTY JR, SHEN ZX, CAPLIN AD, ALFORD NM, BUTTON TWet al., 1992, TRANSPORT CRITICAL CURRENTS, IV CHARACTERISTICS AND MAGNETIZATION OF YBA2CU3O7 THICK-FILMS, Publisher: IOP PUBLISHING LTD, Pages: S172-S175, ISSN: 0953-2048

Conference paper

CLEGG WJ, KENDALL K, ALFORD NM, BUTTON TW, BIRCHALL JDet al., 1992, AN INEXPENSIVE METHOD FOR MAKING CERAMIC COMPOSITES, MEETING ON SPECIAL CERAMICS, Publisher: INST CERAMICS, Pages: 263-268

Conference paper

FOULDS SA, HARROP SP, MUIRHEAD CM, GOUGH CE, ALFORD NM, BUTTON TWet al., 1991, MAGNETIC NOISE NEAR THE SUPERCONDUCTING TRANSITION IN BULK AND THICK-FILM YBCO, INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY HIGH TEMPERATURE SUPERCONDUCTORS 3, Publisher: ELSEVIER SCIENCE BV, Pages: 1821-1822, ISSN: 0921-4534

Conference paper

ALFORD N, 1991, TAILOR-MADE RESEARCH, PHYSICS WORLD, Vol: 4, Pages: 14-15, ISSN: 0953-8585

Journal article

ALFORD NM, BUTTON TW, OPIE D, 1991, LOW SURFACE-RESISTANCE YBCO THICK-FILMS, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, Vol: 4, Pages: 433-435, ISSN: 0953-2048

Journal article

HUANG Y, LANCASTER MJ, MACLEAN TSM, WU Z, ALFORD NMet al., 1991, A HIGH-TEMPERATURE SUPERCONDUCTOR SUPERDIRECTIONAL ANTENNA-ARRAY, INTERNATIONAL WORKSHOP ON HIGH TEMPERATURE SUPERCONDUCTING THIN FILMS : PROPERTIES AND APPLICATION ( HTSCTF ), Publisher: ELSEVIER SCIENCE BV, Pages: 267-271, ISSN: 0921-4534

Conference paper

HALL AS, ALFORD NM, BUTTON TW, GILDERDALE DJ, GEHRING KA, YOUNG IRet al., 1991, USE OF HIGH-TEMPERATURE SUPERCONDUCTOR IN A RECEIVER COIL FOR MAGNETIC-RESONANCE-IMAGING, MAGNETIC RESONANCE IN MEDICINE, Vol: 20, Pages: 340-343, ISSN: 0740-3194

Journal article

ALFORD NM, BUTTON TW, 1991, SURFACE-RESISTANCE OF THICK YBA2CU3OX, ADVANCED MATERIALS, Vol: 3, Pages: 318-320, ISSN: 0935-9648

Journal article

ALFORD N, KENDALL K, CLEGG B, BUTTON Tet al., 1991, PROCESSING PROTOCOLS GIVE CERAMICS THE EDGE, PHYSICS WORLD, Vol: 4, Pages: 26-29, ISSN: 0953-8585

Journal article

SMITH PA, DAVIS LE, BUTTON TW, ALFORD NMet al., 1991, THE DIELECTRIC LOSS TANGENT OF LIQUID-NITROGEN, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, Vol: 4, Pages: 128-129, ISSN: 0953-2048

Journal article

BUNGRE SS, CASSIDY SM, CAPLIN AD, ALFORD NM, BUTTON TWet al., 1991, SELF-SIMILARITY IN THE IV CHARACTERISTICS OF ANTIGRANULOCYTES YBA2CU3O7, 1990 APPLIED SUPERCONDUCTIVITY CONF, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1037-1038, ISSN: 0018-9464

Conference paper

MOSSAVATI R, GALLOP JC, BUTTON T, ALFORD NMet al., 1991, THICK-FILM YBCO MICROSTRIP RESONATORS, 1990 CONF ON APPLIED SUPERCONDUCTIVITY, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 2952-2954, ISSN: 0018-9464

Conference paper

WOODALL P, LANCASTER MJ, MACLEAN TSM, GOUGH CE, ALFORD NMet al., 1991, MEASUREMENT OF THE SURFACE-RESISTANCE OF YBA2CU3O7-DELTA BY THE USE OF A COAXIAL RESONATOR, 1990 APPLIED SUPERCONDUCTIVITY CONF, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1264-1267, ISSN: 0018-9464

Conference paper

ALFORD NM, BUTTON TW, PETERSON GE, SMITH PA, DAVIS LE, PENN SJ, LANCASTER MJ, WU Z, GALLOP JCet al., 1991, SURFACE-RESISTANCE OF BULK AND THICK-FILM YBA2CU3OX, 1990 APPLIED SUPERCONDUCTIVITY CONF, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1510-1518, ISSN: 0018-9464

Conference paper

PORCH A, LANCASTER MJ, MACLEAN TSM, GOUGH CE, ALFORD NMet al., 1991, MICROWAVE RESONATORS INCORPORATING CERAMIC YBACUO HELICES, 1990 CONF ON APPLIED SUPERCONDUCTIVITY, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 2948-2951, ISSN: 0018-9464

Conference paper

GUBSER DU, MILLER MM, TOTH L, RAYNE R, LAWRENCE S, ALFORD NM, BUTTONS TWet al., 1991, SUPERCONDUCTING CURRENT LEADS OF YBCO AND PB-BSCCO, 1990 CONF ON APPLIED SUPERCONDUCTIVITY, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1854-1857, ISSN: 0018-9464

Conference paper

BUTTON TW, ALFORD NM, WELLHOFER F, SHIELDS TC, ABELL JS, DAY Met al., 1991, THE PROCESSING AND PROPERTIES OF HIGH-TC THICK-FILMS, 1990 APPLIED SUPERCONDUCTIVITY CONF, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1434-1437, ISSN: 0018-9464

Conference paper

LAVERTY JR, SHEN ZX, ALFORD NM, BUTTON TW, CAPLIN AD, CASSIDY SM, MCCARTNEY DG, POLLARD RJet al., 1991, MAGNETIZATION MEASUREMENTS ON MELT-TEXTURED YBA2CU3O7-DELTA, 1990 APPLIED SUPERCONDUCTIVITY CONF, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1503-1505, ISSN: 0018-9464

Conference paper

GALLOP JC, RADCLIFFE WJ, BUTTON TW, ALFORD NMet al., 1991, MICROWAVE SURFACE IMPEDANCE IN A COAXIAL CAVITY AS A MATERIAL CHARACTERIZATION TECHNIQUE, 1990 APPLIED SUPERCONDUCTIVITY CONF, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1310-1312, ISSN: 0018-9464

Conference paper

FRANCAVILLA TL, FORD RD, LUPTON WH, ALFORD NM, SAUNDERS CSet al., 1991, AN EXPLOSIVE OPENING SUPERCONDUCTING SWITCH, 1990 CONF ON APPLIED SUPERCONDUCTIVITY, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 1870-1873, ISSN: 0018-9464

Conference paper

ALFORD NM, BUTTON TW, ADAMS MJ, HEDGES S, NICHOLSON B, PHILLIPS WAet al., 1991, LOW SURFACE-RESISTANCE IN YBA2CU3OX MELT-PROCESSED THICK-FILMS, NATURE, Vol: 349, Pages: 680-683, ISSN: 0028-0836

Journal article

ALFORD NEIL MCNEILL, PETERSON GEORGE EARL, 1991, System for transmitting and/or receiving electromagnetic radiation employing resonant cavity including high Tc superconducting material., EP0410614

Patent

Gough GE, Colclough MS, O'Connor DA, Wellhofer F, Alford NMN, Button TWet al., 1991, Novel magnetometer and the interpretation of low field magnetic hysteresis of high T<inf>c</inf> superconductors, Cryogenics, Vol: 31, Pages: 119-127, ISSN: 0011-2275

A novel electronic integrating magnetometer, based on a computer controlled phase sensitive detector, has been developed to investigate magnetic hysteresis in high temperature superconductors associated with intergranular and intragranular critical currents. The high sensitivity of the magnetometer (≳ 10-6 electromagnetic units (emu)) enables accurate measurements to be made on mg superconducting samples in low fields of up to 50 mT. A computer fitting procedure based on a modified Bean model with a field dependent critical current density gives values for the magnetic filling factor, the strength of the zero-field critical current density and the scaling field for a given assumed field dependence of critical current. Magnetization measurements on various ceramic YBCO samples, including wires of various diameters, yield values for bulk critical currents in good agreement with transport measurements. © 1991.

Journal article

Alford NMN, Button TW, Adams MJ, Hedges S, Nicholson B, Phillips WAet al., 1991, Low surface resistance in YBa<inf>2</inf>Cu<inf>3</inf>O<inf>x</inf> melt-processed thick films, Nature, Vol: 349, Pages: 680-683, ISSN: 0028-0836

A LOWsurface resistance,Rs, is the key to successful development of radio-frequency and microwave applications of high-temperature superconductors. Here we report the Rs of YBa2Cu3Ox thick films on yttria-stabilized zirconia substrates at frequencies up to 50 GHz. Films processed below the peritectic temperature are fine grained, have Rs similar to bulk YBa2Cu3Or, generally have low critical current density (Jc) and exhibit little preferred orientation of crystallographic axes. Films processed above the peritectic temperature exhibit preferred orientation in large spherulitic grains, have higher Jc and far lower Rs. For these films the crossover frequency at which Rs equals that of copper is 50 GHz, a factor of two higher than the best bulk material or thick film yet reported and only a factor of ∼4 lower than high-quality thin films. At the frequencies used for mobile communications (900 MHz and 1.8 GHz), the superconductor losses would be two orders of magnitude lower than those of normal metals. The particular advantages of the thick-film route are the speed and low cost of the process, and the ability to apply the films on curved surfaces and on large areas, the largest so far being >200 cm2. © 1991 Nature Publishing Group.

Journal article

ALFORD NM, BUTTON TW, CAPLIN AD, CASSIDY SM, LAVERTY JR, MCCARTNEY DG, POLLARD RJ, SHEN ZXet al., 1991, MAGNETIZATION MEASUREMENTS ON MELT-TEXTURED YBA2CU3O7-DELTA, SATELLITE CONF TO THE 19TH INTERNATIONAL CONF ON LOW TEMPERATURE PHYSICS : HIGH TEMPERATURE SUPERCONDUCTIVITY, Publisher: IOP PUBLISHING LTD, Pages: S238-S240, ISSN: 0953-2048

Conference paper

GALLOP JC, RADCLIFFE WJ, BUTTON TW, ALFORD NMet al., 1991, MICROWAVE SURFACE IMPEDANCE IN A COAXIAL CAVITY AS A MATERIAL CHARACTERIZATION TECHNIQUE, SATELLITE CONF TO THE 19TH INTERNATIONAL CONF ON LOW TEMPERATURE PHYSICS : HIGH TEMPERATURE SUPERCONDUCTIVITY, Publisher: IOP PUBLISHING LTD, Pages: S319-S321, ISSN: 0953-2048

Conference paper

BUNGRE SS, CASSIDY SM, CAPLIN AD, ALFORD NM, BUTTON TWet al., 1991, SELF-SIMILARITY IN THE IV CHARACTERISTICS OF ANTIGRANULOCYTES YBA2CU3O7, Publisher: IOP Publishing Ltd, Pages: S250-S252, ISSN: 0953-2048

Conference paper

MOSSAVATI R, GALLOP JC, RADCLIFFE WJ, BUTTON T, ALFORD NMet al., 1991, THICK-FILM YBCO MICROSTRIP RESONATORS, SATELLITE CONF TO THE 19TH INTERNATIONAL CONF ON LOW TEMPERATURE PHYSICS : HIGH TEMPERATURE SUPERCONDUCTIVITY, Publisher: IOP PUBLISHING LTD, Pages: S145-S147, ISSN: 0953-2048

Conference paper

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