Imperial College London
Portrait Picture

Professor Lesley F Cohen

Faculty of Natural Sciences, Department of Physics

Associate Provost (Equality, Diversity and Inclusion)
 
 
 
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Contact

 

+44 (0)20 7594 7598l.cohen Website CV

 
 
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Assistant

 

Mrs Carolyn Dale +44 (0)20 7594 7579

 
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Location

 

1111Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

448 results found

Lyubina J, Hannemann U, Cohen LF, Ryan MPet al., 2012, Novel La(Fe,Si)<sub>13</sub>/Cu Composites for Magnetic Cooling, ADVANCED ENERGY MATERIALS, Vol: 2, Pages: 1323-1327, ISSN: 1614-6832

Journal article

Li J, Gilbertson AM, Litvinenko KL, Cohen LF, Clowes SKet al., 2012, Observation of spin dependent photocoductivity in InSb quantum well nanowires, APPLIED PHYSICS LETTERS, Vol: 101, ISSN: 0003-6951

Journal article

Morrison K, Sandeman KG, Cohen LF, Sasso CP, Basso V, Barcza A, Katter M, Moore JD, Skokov KP, Gutfleisch Oet al., 2012, Evaluation of the reliability of the measurement of key magnetocaloric properties: A round robin study of La(Fe,Si,Mn)H<sub>δ</sub> conducted by the SSEEC consortium of European laboratories, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID, Vol: 35, Pages: 1528-1536, ISSN: 0140-7007

Journal article

Hao L, Mattevi C, Gallop J, Goniszewski S, Xiao Y, Cohen L, Klein Net al., 2012, Microwave surface impedance measurements on reduced graphene oxide, NANOTECHNOLOGY, Vol: 23, ISSN: 0957-4484

Journal article

Bratko M, Morrison K, de Campos A, Gama S, Cohen LF, Sandeman KGet al., 2012, History dependence of directly observed magnetocaloric effects in (Mn, Fe)As, APPLIED PHYSICS LETTERS, Vol: 100, ISSN: 0003-6951

Journal article

Morrison K, Lyubina J, Moore JD, Caplin AD, Sandeman KG, Gutfleisch O, Cohen LFet al., 2012, Contributions to the entropy change in melt-spun LaFe<sub>11.6</sub>Si<sub>1.4</sub> (vol 43, 132001, 2010), JOURNAL OF PHYSICS D-APPLIED PHYSICS, Vol: 45, ISSN: 0022-3727

Journal article

Brightman E, Maher R, Offer GJ, Duboviks V, Heck C, Cohen LF, Brandon NPet al., 2012, Designing a miniaturised heated stage for <i>in situ</i> optical measurements of solid oxide fuel cell electrode surfaces, and probing the oxidation of solid oxide fuel cell anodes using <i>in situ</i> Raman spectroscopy, REVIEW OF SCIENTIFIC INSTRUMENTS, Vol: 83, ISSN: 0034-6748

Journal article

Ladak S, Walton SK, Zeissler K, Tyliszczak T, Read DE, Branford WR, Cohen LFet al., 2012, Disorder-independent control of magnetic monopole defect population in artificial spin-ice honeycombs, NEW JOURNAL OF PHYSICS, Vol: 14, ISSN: 1367-2630

Journal article

Lyubina J, Hannemann U, Ryan MP, Cohen LFet al., 2012, Electrolytic Hydriding of LaFe13-xSix Alloys for Energy Efficient Magnetic Cooling, ADVANCED MATERIALS, Vol: 24, Pages: 2042-2046, ISSN: 0935-9648

Journal article

Cohen L, 2012, Mending the broken pipe, PHYSICS WORLD, Vol: 25, Pages: 16-17, ISSN: 0953-8585

Journal article

Branford WR, Ladak S, Read DE, Zeissler K, Cohen LFet al., 2012, Emerging Chirality in Artificial Spin Ice, SCIENCE, Vol: 335, Pages: 1597-1600, ISSN: 0036-8075

Journal article

Chattopadhyay MK, Morrison K, Dupas A, Sharma VK, Chandra LSS, Cohen LF, Roy SBet al., 2012, Study of the dynamical features of the austenite-martensite phase transition in the Ni<sub>50</sub>(Mn, 1%Fe)<sub>34</sub>In<sub>16</sub> alloy using scanning Hall probe imaging, JOURNAL OF APPLIED PHYSICS, Vol: 111, ISSN: 0021-8979

Journal article

Morrison K, Bratko M, Turcaud J, Berenov A, Caplin AD, Cohen LFet al., 2012, A calorimetric method to detect a weak or distributed latent heat contribution at first order magnetic transitions, REVIEW OF SCIENTIFIC INSTRUMENTS, Vol: 83, ISSN: 0034-6748

Journal article

Li J, Gilbertson AM, Litvinenko KL, Cohen LF, Clowes SKet al., 2012, Transverse focusing of spin-polarized photocurrents, PHYSICAL REVIEW B, Vol: 85, ISSN: 1098-0121

Journal article

Morrison K, Lyubina J, Moore JD, Sandeman KG, Gutfleisch O, Cohen LF, Caplin ADet al., 2012, Magnetic refrigeration: phase transitions, itinerant magnetism and spin fluctuations, PHILOSOPHICAL MAGAZINE, Vol: 92, Pages: 292-303, ISSN: 1478-6435

Journal article

Gilbertson AM, Kormanyos A, Buckle PD, Fearn M, Ashley T, Lambert CJ, Solin SA, Cohen LFet al., 2011, Room temperature ballistic transport in InSb quantum well nanodevices, APPLIED PHYSICS LETTERS, Vol: 99, ISSN: 0003-6951

Journal article

Gilbertson AM, Kormányos A, Buckle PD, Fearn M, Ashley T, Lambert CJ, Solin SA, Cohen LFet al., 2011, Room temperature ballistic transport in InSb quantum well nanodevices, Applied Physics Letters, Vol: 99, ISSN: 0003-6951

We report the room temperature observation of significant ballistic electron transport in shallow etched four-terminal mesoscopic devices fabricated on an InSb/AlInSb quantum well (QW) heterostructure with a crucial partitioned growth-buffer scheme. Ballistic electron transport is evidenced by a negative bend resistance signature which is quite clearly observed at 295 K and at current densities in excess of 10 6 A/cm 2. This demonstrates unequivocally that by using effective growth and processing strategies, room temperature ballistic effects can be exploited in InSb/AlInSb QWs at practical device dimensions. © 2011 American Institute of Physics.

Journal article

Salem-Sugui S, Ghivelder L, Alvarenga AD, Cohen LF, Luo H, Lu Xet al., 2011, Fishtail and vortex dynamics in the Ni-doped iron pnictide BaFe<sub>1.82</sub>Ni<sub>0.18</sub>As<sub>2</sub>, PHYSICAL REVIEW B, Vol: 84, ISSN: 2469-9950

Journal article

Gilbertson AM, Buckle PD, Emeny MT, Ashley T, Cohen LFet al., 2011, Suppression of the parasitic buffer layer conductance in InSb/Al<i><sub>x</sub></i>In<sub>1-<i>x</i></sub>Sb heterostructures using a wide-band-gap barrier layer, PHYSICAL REVIEW B, Vol: 84, ISSN: 1098-0121

Journal article

Qi X, Wang J-Y, Kuo J-C, Yates KA, Cohen LFet al., 2011, Superconducting property and Fe valence state of FeSe thick films grown from high temperature solution, JOURNAL OF ALLOYS AND COMPOUNDS, Vol: 509, Pages: 6350-6353, ISSN: 0925-8388

Journal article

Usman ITM, Yates KA, moore JD, Morrison K, Pecharsky VK, Gschneidner KA, Verhagen T, aarts J, Zverev VI, Robinson JWA, Witt JDS, Blamire MG, Cohen LFet al., 2011, Evidence for spin mixing in holmium thin film and crystal samples, Physical Review B (Condensed Matter and Materials Physics), Vol: 83

Journal article

Morrison K, Podgornykh SM, Shcherbakova YV, Caplin AD, Cohen LFet al., 2011, Effect of Al substitution on the magnetocaloric properties of La(Fe<sub>0.88</sub>Si<sub>0.12-<i>x</i></sub>Al<i><sub>x</sub></i>)<sub>13</sub>, PHYSICAL REVIEW B, Vol: 83, ISSN: 2469-9950

Journal article

Ladak S, Read D, Tyliszczak T, Branford WR, Cohen LFet al., 2011, Monopole defects and magnetic Coulomb blockade, NEW JOURNAL OF PHYSICS, Vol: 13, ISSN: 1367-2630

Journal article

Gilbertson AM, Fearn M, Kormanyos A, Read DE, Lambert CJ, Emeny MT, Ashley T, Solin SA, Cohen LFet al., 2011, Ballistic transport and boundary scattering in InSb/In<sub>1-<i>x</i></sub>Al<i><sub>x</sub></i>Sb mesoscopic devices, PHYSICAL REVIEW B, Vol: 83, ISSN: 2469-9950

Journal article

Gilbertson AM, Benstock D, Fearn M, Kormanyos A, Ladak S, Emeny MT, Lambert CJ, Ashley T, Solin SA, Cohen LFet al., 2011, Sub-100-nm negative bend resistance ballistic sensors for high spatial resolution magnetic field detection, APPLIED PHYSICS LETTERS, Vol: 98, ISSN: 0003-6951

Journal article

Leontiadou MA, Litvinenko KL, Gilbertson AM, Pidgeon CR, Branford WR, Cohen LF, Fearn M, Ashley T, Emeny MT, Murdin BN, Clowes SKet al., 2011, Experimental determination of the Rashba coefficient in InSb/InAlSb quantum wells at zero magnetic field and elevated temperatures, JOURNAL OF PHYSICS-CONDENSED MATTER, Vol: 23, ISSN: 0953-8984

Journal article

Newaz AKM, Chang W-J, Wallace KD, Wickline SA, Bashir R, Gilbertson AM, Cohen LF, Edge LC, Solin SAet al., 2011, Inverse-Extraordianry Optoconductance in Ti/Au/GaAs Hybrid Structures, 30th International Conference on the Physics of Semiconductors (ICPS-30), Publisher: AMER INST PHYSICS, ISSN: 0094-243X

Conference paper

Gilbertson AM, Fearn M, Kormanyos A, Read DE, Lambert CJ, Buckle L, Ashley T, Solin SA, Cohen LFet al., 2011, Ballistic transport effects in a sub-micron InSb quantum well cross structure, 30th International Conference on the Physics of Semiconductors (ICPS-30), Publisher: AMER INST PHYSICS, ISSN: 0094-243X

Conference paper

Ladak S, Read DE, Branford WR, Cohen LFet al., 2011, Direct observation and control of magnetic monopole defects in an artificial spin-ice material, NEW J PHYS, Vol: 13

Journal article

Pooley OJ, Gilbertson AM, Buckle PD, Hall RS, Emeny MT, Fearn M, Halsall MP, Cohen LF, Ashley Tet al., 2010, Quantum well mobility and the effect of gate dielectrics in remote doped InSb/Al<i><sub>x</sub></i>In<sub>1-<i>x</i></sub>Sb heterostructures, SEMICONDUCTOR SCIENCE AND TECHNOLOGY, Vol: 25, ISSN: 0268-1242

Journal article

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