Publications Prior to 2009


2008

Strong linewidth variation for spin-torque nano-oscillators as a function of in-plane magnetic field angle
K. V. Thadani, G. Finocchio, Z.-P. Li, O. Ozatay, J. C. Sankey, I. N. Krivorotov, Y.-T. Cui, R. A. Buhrman & D. C. Ralph
Phys. Rev. B 78, 024409 (2008)

Time-Domain Studies of Nonlinear Magnetization Dynamics Excited by Spin Transfer Torque
I. N. Krivorotov, N. C. Emley, J. C. Sankey, G. Finocchio, L. Torres, B. Azzerboni, R. A. Buhrman & D. C. Ralph
Technical Digests of IEEE International Magnetics Conference (2008)

Time-domain studies of very-large-angle magnetization dynamics excited by spin transfer torques
I. N. Krivorotov, N. C. Emley, R. A. Buhrman & D. C. Ralph
Phys. Rev. B 77, 054440 (2008)

2007

Magnetization reversal driven by spin-polarized current in exchange-biased nanoscale spin valves
G. Finocchio, I. N. Krivorotov, L. Torres, R. A. Buhrman, D. C. Ralph & B. Azzerboni
Phys. Rev. B 76, 174408 (2007)

Large-amplitude coherent spin waves excited by spin-polarized current in nanoscale spin valves
I. N. Krivorotov, D. V. Berkov, N. L. Gorn, N. C. Emley, J. C. Sankey, D. C. Ralph & R. A. Buhrman
Phys. Rev. B 76, 024418 (2007)

Magnetic vortex oscillator driven by d.c. spin-polarized current
V. S. Pribiag, I. N. Krivorotov, G. D. Fuchs, P. M. Braganca, O. Ozatay, J. C. Sankey, D. C. Ralph & R. A. Buhrman
Nature Phys. 3, 498-503 (2007)

2006

Magnetization Reversal driven by Spin-Polarized Current in Exchanged Biased Samples
G. Finocchio, I. Krivorotov, L. Torres & B. Azzerboni
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation 443-443 (2006)

Temperature dependence of magnetization reversal and angular torque in Co/CoO
T. Gredig, I. N. Krivorotov & E. D. Dahlberg
Phys. Rev. B. 74, 094431 (2006)

Dynamic excitations of nanomagnet magnetization driven by spin-polarized current
I. N. Krivorotov, N. C. Emley, J. C. Sankey, D. C. Ralph & R. A. Buhrman
Technical Digests of IEEE International Magnetics Conference (2006)

Time-Resolved Spin-Torque Switching and Enhanced Damping in Permalloy/Cu/Permalloy Spin-Valve Nanopillars
N. C. Emley, I. N. Krivorotov, O. Ozatay, A. G. F. Garcia, J. C. Sankey, D. C. Ralph & R. A. Buhrman
Phys. Rev. Lett. 96, 247204 (2006)

Spin-Transfer-Driven Ferromagnetic Resonance of Individual Nanomagnets
J. C. Sankey, P. M. Braganca, A. G. F. Garcia, I. N. Krivorotov, R. A. Buhrman & D. C. Ralph
Phys. Rev. Lett. 96, 227601 (2006)

Magnetization dynamics driven by the combined action of ac magnetic field and dc spin-polarized current
G. Finocchio, I. Krivorotov, M. Carpentieri, G. Consolo, B. Azzerboni, L. Torres, E. Martinez & L. Lopez-Diaz
J. Appl. Phys. 99, 08G507 (2006)

Spin transfer by nonuniform current injection into a nanomagnet
O. Ozatay, N. C. Emley, P. M. Braganca, A. G. F. Garcia, G. D. Fuchs, I. N. Krivorotov, R. A. Buhrman & D. C. Ralph
Appl. Phys. Lett. 88, 202502 (2006)

2005

Mechanisms limiting the coherence time of spontaneous magnetic oscillations driven by dc spin-polarized currents
J. C. Sankey, I. N. Krivorotov, S. I. Kiselev, P. M. Braganca, N. C. Emley, R. A. Buhrman & D. C. Ralph
Phys. Rev. B 72, 224427 (2005)

Reducing the critical current for short-pulse spin-transfer switching of nanomagnets
P. M. Braganca, I. N. Krivorotov, O. Ozatay, A. G. F. Garcia, N. C. Emley, J. C. Sankey, D. C. Ralph & R. A. Buhrman
Appl. Phys. Lett. 87, 112507 (2005)

Spin-transfer excitations of permalloy nanopillars for large applied currents
S. I. Kiselev, J. C. Sankey, I. N. Krivorotov, N. C. Emley, A. G. F. Garcia, R. A. Buhrman & D. C. Ralph
Phys. Rev. B 72, 064430 (2005)

Adjustable spin torque in magnetic tunnel junctions with two fixed layers
G. D. Fuchs, I. N. Krivorotov, P. M. Braganca, N. C. Emley, A. G. F. Garcia, D. C. Ralph & R. A. Buhrman
Appl. Phys. Lett. 86, 152509 (2005)

Time-Domain Measurements of Nanomagnet Dynamics Driven by Spin-Transfer Torques
I. N. Krivorotov, N. C. Emley, J. C. Sankey, D. C. Ralph & R. A. Buhrman
Science 307, 228-231 (2005)

2004

Temperature Dependence of Spin-Transfer-Induced Switching of Nanomagnets
I. N. Krivorotov, N. C. Emley, A. G. F. Garcia, J. C. Sankey, S. I. Kiselev, D. C. Ralph & R. A. Buhrman
Phys. Rev. Lett. 93, 166603 (2004)

Spin-transfer effects in nanoscale magnetic tunnel junctions
G. D. Fuchs, N. C. Emley, I. N. Krivorotov, P. M. Braganca, E. M. Ryan, S. I. Kiselev, J. C. Sankey, D. C. Ralph, R. A. Buhrman & J. A. Katine
Appl. Phys. Lett. 85, 1205-1207 (2004)

Current-Induced Nanomagnet Dynamics for Magnetic Fields Perpendicular to the Sample Plane
S. I. Kiselev, J. C. Sankey, I. N. Krivorotov, N. C. Emley, M. Rinkoski, C. Perez, R. A. Buhrman & D. C. Ralph
Phys. Rev. Lett. 93, 036601 (2004)

Magnetoresistance and magnetostriction effects in ballistic ferromagnetic nanoconstrictions
O. Ozatay, P. Chalsani, N. C. Emley, I. N. Krivorotov & R. A. Buhrman
J. Appl. Phys. 95, 7315-7317 (2004)

Reduction of spin transfer by synthetic antiferromagnets
N. C. Emley, F. J. Albert, E. M. Ryan, I. N. Krivorotov, D. C. Ralph, R. A. Buhrman, J. M. Daughton & A. Jander
Appl. Phys. Lett. 84, 4257-4259 (2004)

2003

Microwave oscillations of a nanomagnet driven by a spin-polarized current
S. I. Kiselev, J. C. Sankey, I. N. Krivorotov, N. C. Emley, R. J. Schoelkopf, R. A. Buhrman & D. C. Ralph
Nature 425, 380-383 (2003)

Structural and magnetic properties of triode-sputtered epitaxial gamma-Fe4N films deposited on SrTiO3 (001) substrates
K. R. Nikolaev, I. N. Krivorotov, E. D. Dahlberg, V. A. Vas’ko, S. Urazhdin, R. Loloee & W. P. Pratt
Appl. Phys. Lett. 82, 4534-4536 (2003)

Magnetic relaxation in exchange-coupled Co/CoO bilayers measured with ac-anisotropic magnetoresistance
D. Venus, F. Hunte, I. N. Krivorotov, T. Gredig & E. D. Dahlberg
J. Appl. Phys. 93, 8609-8611 (2003)

Electronic and crystal structure of fully strained LaNiO3 films
A. Y. Dobin, K. R. Nikolaev, I. N. Krivorotov, R. M. Wentzcovitch, E. D. Dahlberg & A. M. Goldman
Phys. Rev. B 68, 113408 (2003)

Origin of complex exchange anisotropy in Fe/MnF2 bilayers
I. N. Krivorotov, C. Leighton, J. Nogués, I. K. Schuller & E. D. Dahlberg
Phys. Rev. B 68, 54430 (2003)

2002

Unidirectional coercivity enhancement in exchange-biased Co/CoO
T. Gredig, I. N. Krivorotov, P. Eames & E. D. Dahlberg
App. Phys. Lett. 81, 1270-1272 (2002)

Role of magnetic aftereffect in coercivity enhancement of Co/CoO bilayers
I. N. Krivorotov, T. Gredig, K. R. Nikolaev, A. M. Goldman & E. D. Dahlberg
Phys. Rev. B 65, 180406 (2002)

Magnetization reversal in exchange biased Co/CoO probed with anisotropic magnetoresistance
T. Gredig, I. N. Krivorotov & E. D. Dahlberg
J. Appl. Phys. 91, 7760 (2002)

Relation between exchange anisotropy and magnetization reversal asymmetry in Fe/MnF2 bilayers
I. N. Krivorotov, C. Leighton, J. Nogués, I. K. Schuller & E. D. Dahlberg
Phys. Rev. B 65, 100402 (2002)

2001

Exchange bias in macroporous Co/CoO
I. N. Krivorotov, H. Yan, E. D. Dahlberg & A. Stein
J. Magn. Magn. Mater. 226-230, 1800-1802 (2001)

Exchange Field Induced Magnetoresistance in Colossal Magnetoresistance Manganites
I. N. Krivorotov, K. R. Nikolaev, A. Y. Dobin, A. M. Goldman & E. D. Dahlberg
Phys. Rev. Lett. 86, 5779-5782 (2001)

Temperature dependence of interlayer exchange coupling in manganite-based superlattices
K. R. Nikolaev, A. Y. Dobin, I. N. Krivorotov, E. D. Dahlberg & A. M. Goldman
J. Appl. Phys. 89, 6820-6821 (2001)

Temperature dependence of exchange bias in La1/3Ca2/3MnO3/La2/3Ca1/3MnO3 epitaxial multilayers
I. N. Krivorotov, K. R. Nikolaev, A. Y. Dobin, A. L. Kobrinskii, R. Wentzcovitch, A. M. Goldman & E. D. Dahlberg
J. Appl. Phys. 89, 6964-6966 (2001)

2000

Magnetoluminescence studies in InGaP alloys
J. Zeman, G. Martinez, K. K. Bajaj, I. Krivorotov & K. Uchida
Appl. Phys. Lett. 77, 4335-4337 (2000)

Oscillatory Exchange Coupling and Positive Magnetoresistance in Epitaxial Oxide Heterostructures
K. R. Nikolaev, A. Y. Dobin, I. N. Krivorotov, W. K. Cooley, A. Bhattacharya, A. L. Kobrinskii, L. I. Glazman, R. M. Wentzovitch, E. D. Dahlberg & A. M. Goldman
Phys. Rev. Lett. 85, 3728-3731 (2000)

Rotation of exchange anisotropy in biased Co/CoO bilayers
T. Gredig, I. N. Krivorotov, C. Merton, A. M. Goldman & E. D. Dahlberg
J. Appl. Phys. 87, 6418-6420 (2000)

Exchange-biased La2/3Ca1/3(Sr1/3)MnO3 ultrathin films
K. R. Nikolaev, I. N. Krivorotov, W. K. Cooley, A. Bhattacharya, E. D. Dahlberg & A. M. Goldman
Appl. Phys. Lett. 76, 478-480 (2000)

Polaronic Excitons in ZnxCd1-xSe/ZnSe quantum wells
A. D. Nardis, V. Pellegrini, R. Colombelli, F. Beltram, L. Vanzetti, A. Franciosi, I. N. Krivorotov & K. K. Bajaj
Phys. Rev. B 61, 1700-1703 (2000)

1999

Magneto-excitons in (411)A and (100)-oriented GaAs/AlGaAs multiple quantum well structures
E. D. Jones, K. Shinohara, S. Shimomura, S. Hiyamizu, I. Krivorotov & K. K. Bajaj
Proceedings of SPIE 3625, 515 (1999)

1998

Exciton transport and nonradiative decay in semiconductor nanostructures
I. N. Krivorotov, T. Chang, G. D. Gilliland, L. P. Fu, K. K. Bajaj & D. J. Wolford
Phys. Rev. B 58, 10687-10691 (1998)

1996

New envelope function for describing the electronic properties of semiconductor heterostructures
G. F. Karavaev & I. N. Krivorotov
Russian Physics Journal 39, 719-728 (1996)

New Envelope Functions in the Theory of Electronic States in Semiconductor Microstructures
G. F. Karavaev & I. N. Krivorotov
None None, None (1996)

Envelope Function Method for Describing Electronic States in Microstructures with Slowly Varying Potential at the Heteroboundaries
G. F. Karavaev & I. N. Krivorotov
Semiconductors 30, 102 (1996)

1995

Diamond-like Hydrogenated Copper-doped Carbon: Spectral Interferometry
V. I. Ivanov-Omskii, I. N. Krivorotov & S. G. Yastrebov
Tech.Phys. 40, 121 (1995)