John A. Marohn

John A. Marohn is a Full Professor in the Department of Chemistry and Chemical Biology at Cornell University, affiliated with the College of Arts and Sciences. He leads the Marohn Research Group focusing on nanoscale imaging techniques. His research bridges analytical chemistry, materials physics, and nanotechnology with emphasis on developing magnetic resonance force microscopy for biomolecular imaging and electrical probe microscopy for semiconductor devices.

Education:
• B.S. Chemistry, University of Rochester (1989)
• B.A. Physics, University of Rochester (1989)
• Ph.D. Chemistry, California Institute of Technology (1996)
• Postdoctoral Associate, US Army Research Laboratory

Research Focus: Dr. Marohn's work centers on pushing imaging resolution limits to study individual biomolecules and charge dynamics in next-generation semiconductors. Key areas include:
• Nanoscale magnetic resonance imaging
• Charge transport in perovskites and organic photovoltaics
• Quantum measurement techniques
• Scanning probe microscopy development

Publication Trends: His 15 most recent publications demonstrate consistent focus on experimental techniques for nanoscale characterization, with growing emphasis on perovskite semiconductors, magnetic resonance methodology refinement, and computational modeling frameworks. Work frequently appears in high-impact journals including ACS Nano, Physical Review Applied, and Journal of Chemical Physics.

Academic Leadership: Heads active research group supervising 7 current PhD students with over 30 PhD alumni. Secured multiple grants from NIH, NSF, and ARO. Contributes to Cornell's Materials Science Engineering graduate field and Center for Materials Research.