Kevin P. Roche  Kevin P. Roche photo       

contact information

Advisory Engineer/Scientist, Magnetoelectronics and Spintronics
Almaden Research Center, San Jose, CA, USA
  +1dash408dash927dash2443

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2014

Subnanosecond incubation times for electric-field-induced metallization of a correlated electron oxide
Justin S. Brockman, Li Gao, Brian Hughes, Charles T. Rettner, Mahesh G. Samant, Kevin P. Roche & Stuart S. P. Parkin
Nature Nanotechnology 9(11), 453-458, 2014
Abstract


2013

Control of the metal-insulator transition in vanadium dioxide by modifying orbital occupancy
Nagaphani B Aetukuri, Alexander X Gray, Marc Drouard, Matteo Cossale, Li Gao, Alexander H Reid, Roopali Kukreja, Hendrik Ohldag, Catherine A Jenkins, Elke Arenholz, others
Nature Physics 9(10), 661-666, 2013

The field-effect in vanadium dioxide and the metal-insulator transition
Koen Martens, Jae-Woo Jeong, Nagaphani Aetukuri, Charles Rettner, Li Gao, Brian Hughes, Kevin Roche, Mahesh Samant, SSP Parkin
Bulletin of the American Physical Society58, APS, 2013


2012

Thin film deposition of Mn $ \_2 $ Ga under various growth condition
M. Li, L. Gao, X. Jiang, M. Samant, B. Hughes, K. Roche, C. Felser, S. Parkin
Bulletin of the American Physical Society, APS, 2012


2011


Increased metal-insulator transition temperatures in epitaxial thin films of V2O3 prepared in reduced oxygen environments
J. Brockman, NP Aetukuri, T. Topuria, MG Samant, KP Roche, SSP Parkin
Applied Physics Letters98, 152105, 2011

Electric field-induced breakdown of the Mott insulating state in V2O3 nanostructures
J. Brockman, L. Gao, N. Aetukuri, B. Hughes, C. Rettner, M. Samant, K. Roche, S. Parkin
Bulletin of the American Physical Society56, APS, 2011

Thin film growth and characterization of full Heusler alloys Rh $ \_ $\$2-x$\$ $ Co $ \_ $\$x$\$ $ FeSn and RhCoMnSn
L. Gao, M. Li, M.G. Samant, B.P. Hughes, K.P. Roche, C. Felser, S.S.P. Parkin
Bulletin of the American Physical Society56, APS, 2011


2009

Role of defects in the interfacial conductivity at interfaces in Pt/SrTiO3/Pt heterostructures
N.P. Aetukuri, G. Jan, M. Samant, K. Roche, S. Parkin
Bulletin of the American Physical Society54, APS, 2009


2005

Bias voltage dependence of the tunneling magneto-resistance of SrTiO3 based magnetic tunnel junctions grown epitaxially on Si (100)
G. Jan, M. Samant, A. Ney, K. Roche, SSP Parkin
Bulletin of the American Physical Society, APS, 2005


2003

Magnetically engineered spintronic sensors and memory
S. Parkin, X. Jiang, C. Kaiser, A. Panchula, K. Roche, M. Samant
Proceedings of the IEEE 91(5), 661--680, IEEE, 2003


2000

Magnetoresistance of self-assembled lateral multilayers
ED Tober, RF Marks, DD Chambliss, KP Roche, MF Toney, AJ Kellock, RFC Farrow
Applied Physics Letters77, 2728, 2000

Interface Stability in Hybrid Transition Metal-Oxide Magnetic Junctions
JZ Sun, KP Roche, SSP Parkin
MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS, pp. 51--56, APS, 2000


1999

Wanner RA and Gallagher WJ
SSP Parkin, KP Roche, MG Samant, PM Rice, RB Beyers, RE Scheuerlein, EJ O'Sullivan, SL Brown, J Bucchigano, DW Abraham, others
J. Appl. Phys.1999, 85

EJO’Sullivan, SL Brown, J. Bucchigano, DW Abraham, Y. Lu, M. Rooks, PL Trouilloud, RA Wanner, and WJ Gallagher,“Exchange-biased magnetic tunnel junctions and application to nonvolatile magnetic random access memory (invited),”
SSP Parkin, KP Roche, MG Samant, PM Rice, RB Beyers, RE Scheuerlein
J. Appl. Phys85, 5828, 1999

Electronic noise in magnetic tunnel junctions
S Ingvarsson, Gang Xiao, RA Wanner, P Trouilloud, Yu Lu, WJ Gallagher, A Marley, KP Roche, SSP Parkin
Journal of applied physics 85(8), 5270--5272, AIP, 1999

Exchange-biased magnetic tunnel junctions and application to nonvolatile magnetic random access memory
SSP Parkin, KP Roche, MG Samant, PM Rice, RB Beyers, RE Scheuerlein, EJ O’sullivan, SL Brown, J. Bucchigano, DW Abraham, others
Journal of Applied Physics85, 5828, 1999


1998

Magnetization reversal in micron-sized magnetic thin films
RH Koch, JG Deak, DW Abraham, PL Trouilloud, RA Altman, Yu Lu, WJ Gallagher, RE Scheuerlein, KP Roche, SSP Parkin
Physical review letters 81(20), 4512, APS, 1998

Magnetization switching time measured in micron-sized thin magnetic lms using spin-polarized tunneling
RH Koch, JG Deak, DW Abraham, PL Trouilloud, RA Altman, Y. Lu, WJ Gallagher, RE Scheuerlein, KP Roche, SSP Parkin
1998 - research.ibm.com

Measurements of magnetization switching times of micron-sized magnetic thin films
RH Koch, PL Trouilloud, RA Altman, Y. Lu, DW Abraham, WJ Gallagher, RE Scheuerlein, AC Marley, KP Roche, SSP Parkin
APS March Meeting Abstracts, pp. 2205, 1998

Noise measurements in magnetic tunnel juncions
S. Ingvarsson, G. Xiao, R. Altman, P. Trouilloud, Y. Lu, WJ Gallagher, A. Marley, KP Roche, SSP Parkin
APS March Meeting Abstracts, pp. 1606, 1998

Bias voltage and temperature dependence of magnetotunneling effect
Y. Lu, XW Li, G. Xiao, RA Altman, WJ Gallagher, A. Marley, K. Roche, S. Parkin
Journal of applied physics83, 6515, 1998

Temperature and bias dependence of magnetoresistance in doped manganite thin film trilayer junctions
JZ Sun, DW Abraham, K. Roche, SSP Parkin
Applied physics letters73, 1008, 1998


1997

Shaw TM and Xiao G
WJ Gallagher, SSP Parkin, Y Lu, XP Bian, A Marley, KP Roche, RA Altman, SA Rishton, C Jahnes
J. Appl. Phys.1997, 81

Microstructured magnetic tunnel junctions
WJ Gallagher, S.S.P. Parkin, Y. Lu, XP Bian, A. Marley, KP Roche, RA Altman, SA Rishton, C. Jahnes, TM Shaw, others
Journal of applied physics81, 3741, 1997


1995

Effect of atmospheric composition and pressure on the laser ablation of (GeTe)< sub> 85 Sn< sub> 15 chalcogenide thin films
KP Roche, K. Rubin, C. Ortiz
Applied optics 34(8), 1389--1395, Optical Society of America, 1995


1992

Giant magnetoresistance in antiferromagnetic Co/Cu multilayers grown on kapton
SSP Parkin, KP Roche, T. Suzuki
Japanese journal of applied physics 31(part 2), 1992


1991

Oscillatory magnetic exchange coupling through thin copper layers
P Parkin SS, R Bhadra, KP Roche
Phys. Rev. Lett 66(16), 2152, APS, 1991

Spin-valve effect in soft ferromagnetic sandwiches
B. Dieny, VS Speriosu, BA Gurney, SSP Parkin, DR Wilhoit, KP Roche, S. Metin, DT Peterson, S. Nadimi
Journal of Magnetism and Magnetic Materials93, 101--104, Elsevier, 1991


1990

Giant magnetoresistance in sputtered magnetic superlattices (invited)(abstract)
SSP Parkin, S. Fan, N. More, KP Roche
Journal of Applied Physics 67(9), 5931--5931, AIP, 1990

Self-reversal of natural remanent magnetization in andesitic pumice
M. Haag, F. Heller, R. Allenspach, K. Roche
Physics of the Earth and Planetary Interiors 65(1), 104--108, Elsevier, 1990



1989

Oxygen ordering in Y1Ba2Cu3O7-x
R Beyers, BT Ahn, G Gorman, VY Lee, SSP Parkin, ML Ramirez, KP Roche, JE Vazquez, TM G\"ur, RA Huggins
Physica C Superconductivity162, 548--549, 1989

Laser Irradiation of InSb: Ge Thin Films
KA Rubin, C. Ortiz, J. Solis, K. Roche
MRS Proceedings, 1989

Ordered Oxygen Arrangements in Y1Ba2Cu3O7- x
R. Beyers, BT Ahn, G. Gorman, VY Lee, SSP Parkin, ML Ramirez, KP Roche, JE Vazquez, TM G"ur, RA Huggins
MRS Proceedings, 1989

Oxygen ordering, phase separation and the 60-K and 90-K plateaus in YBa2Cu3Ox
R. Beyers, BT Ahn, G. Gorman, VY Lee, SSP Parkin, ML Ramirez, KP Roche, JE Vazquez, TM G"ur, RA Huggins
Physica C: Superconductivity162, 548--549, Nature Publishing Group, 1989


1988

THE EFFECTS OF OXYGEN STOICHIOMETRY AND OXYGEN ORDERING ON SUPERCONDUCTIVITY IN Y\^ OijO,.„
R. Beyers, EM Engler, PM Grant, SSP Parkin, G. Lim, ML Ramirez, KP Roche
High-temperature superconductors: symposium held November 30-December 4, 1987, Boston, Massachusetts, USA, pp. 77, 1988

Studies of superconducting oxides with a solid-state ionic technique
BT Ahn, TM Gur, RA Huggins, R. Beyers, EM Engler, PM Grant, SSP Parkin, G. Lim, ML Ramirez, KP Roche, others
Physica C: Superconductivity153, 590--593, Elsevier, 1988

Aerosol flow reactor production of fine Y1Ba2Cu3O7 powder: Fabrication of superconducting ceramics
TT Kodas, EM Engler, VY Lee, R. Jacowitz, TH Baum, K. Roche, SSP Parkin
World Congress on Superconductivity: Westin Galleria Hotel, Houston, Texas, pp. 177, AIP, 1988


1987

The Effects of Oxygen Stoichiometry and Oxygen Ordering on Superconductivity in Y1Ba2Cu3O9- x
R. Beyers, EM Engler, PM Grant, SSP Parkin, G. Lim, ML Ramirez, KP Roche, JE Vazquez, VY Lee, RD Jacowitz, others
MRS Proceedings, 1987



1983

Improved laser technique for high sensitivity atomic absorption spectroscopy in flames
E.A. Whittaker, P. Pokrowsky, W. Zapka, K. Roche, G.C. Bjorklund
Journal of Quantitative Spectroscopy and Radiative Transfer 30(4), 289--296, Elsevier, 1983