Raj Kumar Email & Phone Number

Chandler, Arizona, United States

San Jose, California, United States

Development of Spin-Orbit Torque based Magnetic Random Access Memory (SOT-MRAM) Technology.

Grenoble Area, France

1. Development of the electrical field assisted Spin Transfer Torque - Magnetic Random Access Memories (STT-MRAMs)2. Voltage tuning of the Dzyalosinski-Moriya interaction (DMI) in Skyrmions and the effect of the applied gate voltage on the dynamics of skyrmions

Phoenix, Arizona Area

Processes and product development for FinFET and V-NAND memory technology .

Raleigh-Durham, North Carolina Area

Layered growth of ultra-thin films of functional magnetic oxide (La0.7Sr0.3MnO3 and LaMnO3) using the Molecular Beam Epitaxy (MBE) growth technique and micro-structural, magnetic, transport and magneto-transport characterizations, of the thin films/devices for potential applications in memory and spintronic devices.

#1038, Eb1, 911 Partners Way, Raleigh

Was responsible for maintenance, training and oversight of the North Carolina State University Department of Materials Science Quantum Design(R), PPMS EC II and the MPMS SQUID VSM systems and research on magnetometry, transport and magneto-transport measurements of magnetic and electronic materials. • Designed experiments for magnetic, transport and magneto-transport measurements and performed measurements for internal users and external ones, for example, from UNC-Chapel Hill, Duke and East Carolina State University. • Trained new users, maintained and performed troubleshooting tasks on the Quantum Design(R) PPMS EverCool II and MPMS SQUID VSM systems. • Wrote LabVIEW programs for automated operations of equipment for the Center of Dielectrics and Piezoelectrics (CDP), at North Carolina State University, Raleigh, NC.

Raleigh-Durham, North Carolina Area

Ph. D. thesis title:"Magneto-transport methods to characterize topological surface states of topological insulators (TI) thin films, magnetic topological insulator single crystals and topological insulator/ferromagnet heterostructure"Projects completed:1.Magneto-transport characterization of the HPCVD grown Bi2Se3 topological insulator thin films2.Demonstration of the coupling of TSS with superconducting Cooper pairs in Bi2Se3 TI thin films3.Fabrication and characterization of Bi2Se3/LSMO (TI/FM) heterostructure4.Synthesis and characterization of Cr doped magnetic topological insulatorsCollaborated with other researchers and worked on nine collaborative projects. Performed magnetometry and magneto-transport characterization on the topological insulators thin films and devices, dilute magnetic semiconductors, magnetic materials, superconductors and magneto-electric materials and devices. EXPERIMENTAL SKILLS:• Layered growth of ultra-thin films of functional magnetic oxides by the MBE technique.• Deposition of electronic/magnetic thin films/heterostructures by Pulsed Laser Deposition (PLD) method. • Well versed in XRD, XPS, ARPES, AFM, MFM, SEM and SIMS microstructural characterization techniques.• Five years extensive experience on performing variable temperature transport and magneto- transport measurements (R vs. T, I-V, P-V, Ic, OHE, MR, AMR, PHE) on the magnetic thin films/heterostructures, semiconductors, topological insulators, superconductors, dielectric and multiferroic materials in the Quantum Design(R), PPMS EverCool II system and custom built advanced magnetotransport characterization setups. • Five years extensive experience on performing magnetometry measurements in the Quantum Design, MPMS SQUID VSM system and Torque mag (TM) and Magneto-optical imaging (MOI) techniques.

Raliegh

Managed The Hunte Advanced Magnetic Materials Research group's labs and have an experience of setting up an advanced low temperature magneto-transport characterization lab from scratch including hardware installation, equipment assembling to LabVIEW programs writing for fully automated operation. Tasks completed:•Had setup a fully automated LabVIEW driven advanced magneto-transport setup which controls ten pieces of equipment at once. •Built a custom setup to perform variable temperature transport and magnetoresistance measurements consisting of GMW 3T electromagnet, Keithley and Lakeshore instruments.•Designed and developed versatile, durable and cost effective pogo pins sample holders to mount and test samples in the Quantum Design, PPMS for performing magneto-transport measurements. •Designed and developed custom setups to perform P-V, I-V, C-V and thermal conductivity measurements at variable temperatures and in applied magnetic field in the Quantum Design(R), PPMS interfacing with Keithley 2400, HP SPA, Radiant Ferroelectric Tester and thermal conductivity measurement setups.

Materials Science And Engineering

Teaching Assistant for MSE 355, "Electrical, Magnetic and Optical properties of Materials.

Mumbai Area, India

M . Tech thesis: "Synthesis and characterization of Mg- and La- doped YBa2Cu3O7 (YBCO) superconductor to study the effect of Mg- and La- doping on the Tc of YBCO superconductor"Project completed:Synthesized and characterized Mg-/La- doped YBCO superconductor to study the effect of Mg doping on Tc of YBCO superconductor. Performed structural and magnetization measurements on YBCO pellets.

Doctor Of Philosophy (Ph. D.), Materials Science And Engineering, 3.63

Activities and Societies: Member of American Physical Society (APS)

Master Of Technology (M.Tech.), Materials Science And Engineering, 8.9/10