Engineering Education and Pedagogy

Investigation and development of innovative teaching methodologies and pedagogic practices with a focus on engaged teaching, active learning, educational technology and student-center classrooms, pedagogic innovations in teaching mechanics, materials, computation and design courses, curriculum design

Histrogram of 500 1D random walker displacements after 1000 steps
Trajectories of 500 1D random walkers
Application of Monte Carlo simulation in tolerance analysis
Application of analytic change of variables method in tolerance analysis
MAE 150
Cycloidal motion profile for cam-follower mechanism
Design of cam-follower mechanism based on a prescribed motion profile
MAE 150
Launch simulation based on a model accounting for thrust, gravity, and aerodynamic resistance
MAE 107

Magnetic Recording Technology

Hard-disk drives, granular media, recording heads, bit-patterned media, heat-assisted magnetic recording

Bit pattern recording on polycrystalline magnetic film
DOI: 10.1016/j.jmmm.2019.03.021
ProQuest ID: Lubarda_ucsd_0033D_12964
Stray field below air bearing surface and domain wall processes in magnetic transducer and wraparound shield
DOI: 10.1109/TMAG.2011.2179022
ProQuest ID: Lubarda_ucsd_0033D_12964
Antiferromagnetically coupled bit patterned media
DOI: 10.1063/1.3532839

Device Physics and Modeling

Spin valves, magnetic tunnel junctions, magnetic random access memory, spin-torque oscillators, nanowire devices for memory and logic applications

Cross-point architecture of magnetic random access memory (MRAM) for non-volatile, radiation hard, information storage
ProQuest ID: Lubarda_ucsd_0033D_12964
Current-induced switching of STT-MRAM
ProQuest ID: Lubarda_ucsd_0033D_12964
Spin valve oscillator in steady-state precession
ProQuest ID: Lubarda_ucsd_0033D_12964
X-ray magnetic circular dichroism images and corresponding simulated magnetization configurations of single crystal nickle nanowires
DOI: 10.1103/PHYSREVMATERIALS.2.064406
Anomalous frequency response of an all-perpendicular spin-valve structure featuring interfacial and bulk exchange interactions.
DOI: 10.1103/PhysRevB.102.014405

Computational Micromagnetics

Development of general finite-element codes for large-scale simulation of magnetic nanodevices and nanostructures, Voronoi and particulate media simulators, minimum energy path methods, and reduced-complexity spin-chain models

Finite element model of recording head over ultra-high density patterned media
DOI: 10.1063/1.3563081 DOI: 10.1109/TMAG.2011.2179022
ProQuest ID: Lubarda_ucsd_0033D_12964
Intergranular coupling in voronoi media discretized using tetrahedral finite elements
DOI 10.1016/J.JMMM.2019.03.021
ProQuest ID: Lubarda_ucsd_0033D_12964
Computation of near field and far field magnetostatics in voronoi media
DOI 10.1016/J.JMMM.2019.03.021 ProQuest ID: Lubarda_ucsd_0033D_12964
Conducting channels of variable resistivity used for modeling magnetoresistance to account for current redistribution
ProQuest ID: Lubarda_ucsd_0033D_12964
Multilayer granular film modeling, accounting for surface roughness and distribution in segregant thickness.
Granular frusta, notched granular nanowire, and array of granular nanoislands with and without subgranular tetrahedral discretization
DOI 10.1016/J.JMMM.2019.03.021
ProQuest ID: Lubarda_ucsd_0033D_12964
Laser light delivering heat to a granular strip with perpendicular magnetic anisotropy. Shorter arrows within the targeted region illustrate reduced magnetic moment due to higher temperature.
DOI 10.1016/J.JMMM.2019.03.021 ProQuest ID: Lubarda_ucsd_0033D_12964