Publications
441 results found
ALFORD NEIL MCNEILL, 2006, COOLING OF RECEIVE COIL IN MRI SCANNERS, DE60121984D
Valant M, Suvorov D, Pullar RC, et al., 2006, A mechanism for low-temperature sintering, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, Vol: 26, Pages: 2777-2783, ISSN: 0955-2219
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- Citations: 149
ALFORD NEIL MCNEILL, PETROV PETER KRASTEV, 2006, TUNABLE OR RE-CONFIGURABLE DIELECTRIC RESONATOR FILTER, WO2006059159
Dunne LJ, Axelsson AK, Alford NM, et al., 2006, Quasi-classical fluctuation-dissipation description of dielectric loss in oxides with implications for quantum information processing, INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY, Vol: 106, Pages: 986-993, ISSN: 0020-7608
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- Citations: 3
Alford N, Petrov P, Salinas E, et al., 2006, Transforming electronics, MATERIALS WORLD, Vol: 14, Pages: 18-19, ISSN: 0967-8638
Petrov PK, Palkar VR, Alford NMN, et al., 2006, Microwave responce from La- and Dy- doped BiFeO<inf>3</inf> thin films, Pages: 28-33, ISSN: 0272-9172
The dielectric response of La- and Dy- doped BiFeO3 thin films to electric- and magnetic fields was measured at microwave frequencies (up to 12GHz) in a temperature range from 25°C to 300°C. Interesting phenomena were observed. Significant oscillations in the C(f) characteristic which were unaffected by the electric field or by elevated temperature but which were dampened by a magnetic field. We also observed 'N'-type I-V characteristics. A possible explanation for this mesoscopic response is the presence of structural features that cause resonance (e.g. grains, grain-boundaries, domains, domain walls etc), with a contribution strong enough to be averaged by the system. The exact origin of these features is unknown at present. © 2007 Materials Research Society.
Krupka J, Breeze J, Alford NMN, et al., 2006, Measurements of permittivity and dielectric loss tangent of high resistivity float zone silicon at microwave frequencies, Pages: 1097-1100
Real part of permittivity and the dielectric loss tangent of float zone high resistivity Silicon were measured at microwave frequencies at temperatures from 10 K up to 380 K employing dielectric resonator technique. The real part of permittivity proved to be frequency independent and the decrease in dielectric loss tangent versus frequency proved to be not entirely proportional to the inverse of frequency. At temperatures below 25 K where all free carriers are frozen-out loss tangents values the order of 10-4 were measured.
Rawal R, Feteira A, Hyatt NC, et al., 2006, Microwave dielectric properties of hexagonal 12R-Ba<sub>3</sub>LaNb<sub>3</sub>O<sub>12</sub> ceramics, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Vol: 89, Pages: 332-335, ISSN: 0002-7820
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- Citations: 27
Rawal R, Feteira A, Flores AA, et al., 2006, Dielectric properties of the "twinned" 8H-hexagonal perovskite Ba<sub>8</sub>Nb<sub>4</sub>Ti<sub>3</sub>O<sub>24</sub>, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Vol: 89, Pages: 336-339, ISSN: 0002-7820
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- Citations: 25
Axelsson AK, Alford NM, 2006, Bismuth titanates candidates for high permittivity LTCC, 3rd International Conference on Microwave Materials and Their Applications, Publisher: ELSEVIER SCI LTD, Pages: 1933-1936, ISSN: 0955-2219
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- Citations: 43
Pullar RC, Lai C, Alford NM, 2006, V<sub>2</sub>O<sub>5</sub>-doped M<SUP>2+</SUP>Cu<sub>2</sub>Nb<sub>2</sub>O<sub>8</sub> compounds (M<SUP>2+</SUP> = Zn, Co, Ni, Mg & Ca) for microwave dielectric LTCCs, 3rd International Materials Symposium/12th Meeting of the Sociedad-Portuguesa-da-Materials (Materials 2005/SPM), Publisher: TRANS TECH PUBLICATIONS LTD, Pages: 264-268, ISSN: 0255-5476
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- Citations: 1
Pullar RC, Lai C, Azough F, et al., 2006, Novel microwave dielectric LTCCs based upon V<sub>2</sub>O<sub>5</sub> doped M<SUP>2+</SUP>Cu<sub>2</sub>Nb<sub>2</sub>O<sub>8</sub> compounds (M<SUP>2+</SUP> = Zn, Co, Ni, Mg and Ca), 3rd International Conference on Microwave Materials and Their Applications, Publisher: ELSEVIER SCI LTD, Pages: 1943-1946, ISSN: 0955-2219
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- Citations: 16
Kamba S, Noujni D, Pashkin A, et al., 2006, Low-temperature microwave and THz dielectric response in novel microwave ceramics, 3rd International Conference on Microwave Materials and Their Applications, Publisher: ELSEVIER SCI LTD, Pages: 1845-1851, ISSN: 0955-2219
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- Citations: 25
Alford NM, Petrov PK, Gagarin AG, et al., 2005, Enhanced electrical properties of ferroelectric thin films by ultraviolet radiation, APPLIED PHYSICS LETTERS, Vol: 87, ISSN: 0003-6951
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- Citations: 10
Petrov PK, Alford NM, 2005, Improved SrTiO<sub>3</sub> thin films using oxygen relaxation technique -: art. no. 222902, APPLIED PHYSICS LETTERS, Vol: 87, ISSN: 0003-6951
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- Citations: 17
Pullar RC, Breeze JD, Alford NM, 2005, Characterization and microwave dielectric properties of M<SUP>2+</SUP>Nb<sub>2</sub>O<sub>6</sub> ceramics, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Vol: 88, Pages: 2466-2471, ISSN: 0002-7820
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- Citations: 147
Petrov PK, Alford NMN, Gevorgyan S, 2005, Techniques for microwave measurements of ferroelectric thin films and their associated error and limitations, MEASUREMENT SCIENCE AND TECHNOLOGY, Vol: 16, Pages: 583-589, ISSN: 0957-0233
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- Citations: 24
Alford NM, Buslov O, Keis V, et al., 2005, Tunable 4-pole piezoelectric filter based on two dielectric resonators, INTEGRATED FERROELECTRICS, Vol: 77, Pages: 123-128, ISSN: 1058-4587
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- Citations: 2
Fradkin L, Mishakin V, Alford N, 2005, Re-directing slow cracks in PMMA, PHILOSOPHICAL MAGAZINE, Vol: 85, Pages: 2345-2361, ISSN: 1478-6435
Walters RA, Centeno A, Petrov PK, et al., 2005, Tuneable end-coupled ferroelectric-gap filters based on barium strontium titanate capacitors, Asia-Pacific Conference on Applied Electromagnetics (APACE 2005), Publisher: IEEE, Pages: 250-252
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- Citations: 1
Aupi X, Breeze J, Ljepojevic N, et al., 2004, Microwave dielectric loss in oxides: Theory and experiment (vol 95, pg 2639, 2004), JOURNAL OF APPLIED PHYSICS, Vol: 96, Pages: 6943-6943, ISSN: 0021-8979
ALFORD NEIL MCNEILL, PENN STUART JAMES, 2004, Temperature stabilization of dielectric resonator, US6803132
Alford N, 2004, Microwave mania, MATERIALS WORLD, Vol: 12, Pages: 21-23, ISSN: 0967-8638
Sebastian MT, Santha N, Bijumon PV, et al., 2004, Microwave dielectric properties of (1-<i>x</i>)CeO<sub>2-<i>x</i></sub>CaO<sub>2-<i>x</i></sub>TiO<sub>3</sub> and (1-<i>x</i>)CeO<sub>2-<i>x</i></sub>SM<sub>2</sub>O<sub>3</sub> ceramics, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, Vol: 24, Pages: 2583-2589, ISSN: 0955-2219
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- Citations: 50
Kamba S, Hughes H, Noujni D, et al., 2004, Relationship between microwave and lattice vibration properties in Ba(Zn<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>-based microwave dielectric ceramics, JOURNAL OF PHYSICS D-APPLIED PHYSICS, Vol: 37, Pages: 1980-1986, ISSN: 0022-3727
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- Citations: 62
PETROV PETER, ALFORD NEIL, 2004, Tuneable dielectric resonator, US2004135655
Keith GM, Sarma K, Alford NM, et al., 2004, Electrical properties of 6H-BaTi<sub>0.95</sub>M<sub>0.0</sub>O<sub>3-δ</sub> ceramics where M = Mn, Fe, Co and Ni, International Conference on Electroceramics (ICE 2003), Publisher: KLUWER ACADEMIC PUBL, Pages: 305-309, ISSN: 1385-3449
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- Citations: 20
Santha NL, Sebastian MT, Mohanan P, et al., 2004, Effect of doping on the dielectric properties of cerium oxide in the microwave and far-infrared frequency range, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Vol: 87, Pages: 1233-1237, ISSN: 0002-7820
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- Citations: 106
Keith GM, Kirk CA, Sarma K, et al., 2004, Synthesis, crystal structure, and characterization of Ba(Ti<sub>1/2</sub>Mn<sub>1/2</sub>)O<sub>3</sub>:: A high permittivity 12R-type hexagonal perovskite, CHEMISTRY OF MATERIALS, Vol: 16, Pages: 2007-2015, ISSN: 0897-4756
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- Citations: 75
Seabra MP, Avdeev M, Ferreira VM, et al., 2004, Structure-property relations in <i>x</i>BaTiO<sub>3</sub>-(1-<i>x</i>)La(Mg<sub>1/2</sub>Ti<sub>1/2</sub>)O<sub>3</sub> solid solutions, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Vol: 87, Pages: 584-590, ISSN: 0002-7820
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- Citations: 24
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