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Courses
- MEPIIMethods of Experimental Physics II
- CMPCondensed Matter Physics
- MEPIMethods in Experimental Physics I
- SSPSolid-State Physics
- IOTIntroductory Optics and Thermodynamics
Grants
- Energy Efficient Spin-Torque Devices
Principal Investigator (PI)
2022
$466.0K
Active - Voltage Controlled Antiferromagetism in Magnetic Tunnel Junctions
Principal Investigator (PI)
2019
$429.6K
Active - Advanced Magnetic Tunnel Junctions for New Computing Topology
Principal Investigator (PI)
2018
$885.3K
Active - CAREER: Toward Ultra-Low Energy Switching in Spintronic Devices
Principal Investigator (PI)
2016
$610.0K
Active - Perpendicular Magnetic Tunnel Junctions with above 500% TMR: MgO and beyond
Principal Investigator (PI)
2018
$264.0K
- MRI: Acquisition of an Analytical Transmission Electron Microscope for High-resolution, Rapid Nanoscale Compositional Mapping of Earth, Planetary and Advanced Materials
Co-Investigator (COI)
2015
$1.5M
- SBIR Phase II: Electric-Field-Controlled Nonvolatile Magnetic Memory
Principal Investigator (PI)
2014
$90.0K
- Spin-dependent transport of electrons in magnetic tunnel junction
Principal Investigator (PI)
2014
$14.0K
- Center for Spintronic Materials, Interfaces, and Novel Architectures (C-SPIN)
Principal Investigator (PI)
2013
$720.0K
- Voltage Controlled Spintronic Devices
Principal Investigator (PI)
2013
$361.0K
Technologies / Patents
News
- Physicists Offer a New 'Spin' on Memory
2020
- Three UA Researchers Earn NSF CAREER Grants
2016
Publications (64)
Recent
- Voltage-Controlled Antiferromagnetism in Magnetic Tunnel Junctions
2020
- Topological Hall Effect in a Topological Insulator Interfaced with a Magnetic Insulator
2020
- Kondo physics in antiferromagnetic Weyl semimetal Mn Sn films
2020
- Predictive Materials Design of Magnetic Random-Access Memory Based on Nanoscale Atomic Structure and Element Distribution
2019
- Effect of Mo capping in sub-100 nm CoFeB-MgO tunnel junctions with perpendicular magnetic anisotropy
2019
- Magnetization switching using topological surface states
2019
- Amplification of spin-transfer torque in magnetic tunnel junctions with an antiferromagnetic barrier
2019
- Magnetic reversal and thermal stability of CoFeB perpendicular magnetic tunnel junction arrays patterned by block copolymer lithography
2018
- Spin-Orbit-Torque Switching in 20-nm Perpendicular Magnetic Tunnel Junctions
2018
- Saturation of VCMA in out-of-plane magnetized CoFeB/MgO/CoFeB magnetic tunnel junctions
2018
- Superparamagnetic perpendicular magnetic tunnel junctions for true random number generators
2018
- Temperature dependence of interlayer coupling in perpendicular magnetic tunnel junctions with GdOX barriers
2018
- Electrical Control of Metallic Heavy-Metal-Ferromagnet Interfacial States
2017
- Probing VCMA in MTJs with in-plane magnetization
2017
- Perpendicular magnetic tunnel junction with W seed and capping layers
2017
- Anomalous spin-orbit torque switching in synthetic antiferromagnets
2017
- Voltage-controlled interlayer coupling in perpendicularly magnetized magnetic tunnel junctions
2017
- Metal Based Nonvolatile Field-Effect Transistors
2016
- Effect of Mo insertion layers on the magnetoresistance and perpendicular magnetic anisotropy in Ta/CoFeB/MgO junctions
2016
- Patterning of sub-50nm perpendicular CoFeB/MgO-based magnetic tunnel junctions
2016
- Enhanced tunneling magnetoresistance and perpendicular magnetic anisotropy in Mo/CoFeB/MgO magnetic tunnel junctions
2015
- Conductive Atomic Force Microscopy of Small Magnetic Tunnel Junctions With Interface Anisotropy
2015
- Reversible Control of Co Magnetism by Voltage-Induced Oxidation
2014
- Magnetic approaches to study collective three-dimensional cell mechanics in long-term cultures
2014
- Decoupling cell and matrix mechanics in engineered microtissues using magnetically actuated microcantilevers
2013
- Voltage induced switching in magnetic tunnel junctions with perpendicular magnetic anisotropy
2013
- Electric-field-assisted switching in magnetic tunneljunctions
2012
- Influence of exchange bias on magnetic losses in CoFeB/MgO/CoFeB tunnel junctions
2012
- Thermal spin transport and applications
2012
- Transport magnetic proximity effects in platinum
2012
- Boron migration due to annealing in CoFeB/MgO/CoFeB tunnel junctions: A combined HAXPES and NEXAFS study
2012
- Rapid thermal annealing study of magnetoresistance and perpendicular anisotropy in magnetic tunnel junctions based on MgO and CoFeB
2011
- Study and tailoring spin dynamic properties of CoFeB during rapid thermal annealing
2011
- Intrinsic spin-dependent thermal transport
2011
- Boron migration due to annealing in CoFeB/MgO/CoFeB interfaces: A combined hard x-ray photoelectron spectroscopy and x-ray absorption studies
2011
- High temperature annealing induced superparamagnetism in CoFeB/MgO/CoFeB tunneling junctions
2010
- Differentiation of bulk and surface contribution to supercapacitance in amorphous and crystalline NiO
2010
- Tunnel barrier photoelectrodes for solar water splitting
2010
- Understanding tunneling magnetoresistance during thermal annealing in MgO-based junctions with CoFeB electrodes
2010
- Enhancement of ferromagnetism in Mn-doped Si via B codoping
2010
- Effects of annealing on the local structure of Fe and Co in CoFeB/MgO/CoFeB tunnel junctions: An extended x-ray-absorption fine structure study
2010
- Effect of Zn interstitials on the magnetic and transport properties of bulk Co-doped ZnO
2010
- Magnetic noise evolution in CoFeB/MgO/CoFeB tunnel junctions during annealing
2010
- Evolution of barrier-resistance noise in CoFeB/MgO/CoFeB tunnel junctions during annealing
2010
- Spin-polarized transport and dynamics in magnetic tunneling structures
2009
- Role of dopant, defect, and host oxide in the observed room temperature ferromagnetism: Co-ZnO versus Co- CeO2
2009
- Magnetic tunnel junction based microwave detector
2009
- Detailed study on the role of oxygen vacancies in structural, magnetic and transport behavior of magnetic insulator: Co-CeO sub 2 /sub
2009
- In-situ characterization of rapid crystallization of amorphous CoFeB electrodes in CoFeB/MgO/CoFeB junctions during thermal annealing
2009
- Properties of (Zn,Cr)Te semiconductor deposited at room temperature by magnetron sputtering
2008
- Microstructure, magnetic, and spin-dependent transport properties of (Zn,Cr)Te films fabricated by magnetron sputtering
2008
- Room-temperature ferromagnetism in Co doped La sub 2 /sub O sub 3 /sub
2008
- Real-time evolution of tunneling magnetoresistance during annealing in CoFeBMgOCoFeB magnetic tunnel junctions
2008
- Direct measurement of barrier asymmetry in Al Ox Zr Oy magnetic tunnel junctions using off-axis electron holography
2007
- Room temperature ferromagnetism in two-step-prepared Co-doped ZnO bulks
2006
- Tunneling magnetoresistance in (001)-oriented FeCoMgOFeCo magnetic tunneling junctions grown by sputtering deposition
2006
- Structural, magnetic, and transport properties of (Zn,V)Te semiconductors
2006
- Tunneling magnetoresistance in FeCo/MgO/FeCo tunneling junctions depending on FeCo/MgO interface state
2006
- Spin-polarized transport in hybrid (Zn,Cr)Te/Al sub 2 /sub O sub 3 /sub /Co magnetic tunnel junctions
2006
- Negative TMR in magnetic tunneling junctions with Zr oxide barrier
2005
- Superelasticity of CoNiGa:Fe single crystals
2005
- Electron holography of barrier structures in Co/ZrAlO sub x /sub /Co magnetic tunnel junctions
2005
- Mn-doped Cu sub 2 /sub O thin films grown by rf magnetron sputtering
2005
- Probing tunnel barrier shape and its effects on inversed tunneling magnetoresistance at high bias
2004