John F. Walker

Periodic negative conductance by sequential resonant tunneling through an expanding high-field superlattice domain

K. K. Choi, B. F. Levine, R. J. Malik et al. · Physical review. B, Condensed matter · 1987 · 306 citations

Categoryquantum Electronics, Engineering, Periodic Negative Conductance +20

Identifying spatial variability of groundwater discharge in a wetland stream using a distributed temperature sensor

Christopher S. Lowry, John F. Walker, Randall J. Hunt et al. · Water Resources Research · 2007 · 217 citations · Full text

Hydrological Behaviour, Discrete Zones, Environmental Monitoring +17

Diverse Helotiales associated with the roots of three species of Arctic Ericaceae provide no evidence for host specificity

John F. Walker, Laura Aldrich‐Wolfe, Amanda K. Riffel et al. · New Phytologist · 2011 · 168 citations · Full text

CO₂and CH₄emissions from streams in a lake‐rich landscape: Patterns, controls, and regional significance

John T. Crawford, Noah R. Lottig, Emily H. Stanley et al. · Global Biogeochemical Cycles · 2014 · 150 citations

Carbon doping in molecular beam epitaxy of GaAs from a heated graphite filament

R. J. Malik, Richard Nottenberg, E. Fred Schubert et al. · Applied Physics Letters · 1988 · 144 citations

Wide-bandgap Semiconductor, Engineering, Graphite Filament +16