title: Integrated setup for the fabrication and measurement of magnetoresistive nanoconstrictions in ultrahigh vacuum.
abstract: A UHV instrument is presented for in situ fabrication of nanostructures and in situ investigation of their magnetoresistance. Nanostructures of diverse shape and size are created from thin films utilizing a focused ion beam. The magnetic nanostructures are contacted via a micromanipulator, which makes it possible to address the individual structures. The system is additionally equipped with a scanning electron microscope column, which is used for damage-free navigation and control of the structuring and contacting. First magnetoresistance measurements of structures carved into a Permalloy film demonstrate the high sensitivity and the flexibility of the new setup.
authors.affiliation: Institut für Angewandte Physik, Universität Hamburg, Jungiusstr. 11, 20355 Hamburg, Germany. daniel.stickler@physnet.uni-hamburg.de
authors.forename: Daniel
authors.initials: D
authors.lastname: Stickler
authors.forename: Robert
authors.initials: R
authors.lastname: Frömter
authors.forename: Wei
authors.initials: W
authors.lastname: Li
authors.forename: André
authors.initials: A
authors.lastname: Kobs
authors.forename: Hans Peter
authors.initials: HP
authors.lastname: Oepen