activity
20052022
most citedHall effect spintronics for gas detection

44 citations · 82 across the 7 of their papers we have counts for

collaborators

9 papers

cond-mat.mtrl-sci20222 cited

Tuning the perpendicular anisotropy of ferromagnetic films by thickness, width, and profile

Gregory Kopnov, Alexander Gerber

Perpendicular magnetic anisotropy was found to be highly sensitive to the nominal thickness and morphology of laterally heterogeneous CoPd films in the vicinity of the metal insula…

cond-mat.mtrl-sci20227 cited

Resistivity testing of palladium dilution limits in CoPd alloys for hydrogen storage

S. S. Das, G. Kopnov, A. Gerber

Palladium satisfies most of the requirements for an effective hydrogen storage material with two major drawbacks: it has a relatively low gravimetric hydrogen density and is prohib…

cond-mat.mes-hall20215 cited

Non-reciprocal magnetoresistance, directional inhomogeneity and mixed symmetry Hall devices

Gregory Kopnov, Alexander Gerber

Phenomenology similar to the nonreciprocal charge transport violating Onsagers reciprocity relations can develop in directionally inhomogeneous conducting films with nonuniform Hal…

cond-mat.mtrl-sci202022 cited

Kinetics of the lattice response to hydrogen absorption in thin Pd and CoPd films

S. S. Das, G. Kopnov, A. Gerber

Hydrogen can penetrate reversibly a number of metals, occupy the interstitial sites and cause large expansion of the crystal lattice. The question discussed here is whether the kin…

cond-mat.mtrl-sci20201 cited

Positive versus negative resistance response to hydrogenation in palladium and its alloys

Sudhansu Sekhar Das, Gregory Kopnov, Alexander Gerber

Resistive solid state sensors are widely used in multiple applications, including molecular and gas detection. Absorption or intercalation of the target species varies the lattice…

cond-mat.mtrl-sci2018

Detection of hydrogen by the extraordinary Hall effect in CoPd alloys

S. S. Das, G. Kopnov, A. Gerber

Effect of hydrogen adsorption on the extraordinary Hall phenomenon (EHE) in ferromagnetic CoPd films is studied as a function of composition, thickness, substrate and hydrogen conc…