A radio-frequency spin-polarized scanning tunneling microscope
Abstract
A scanning tunneling microscope for spin-resolved studies of dynamic systems is presented. The cryogenic setup allows the scanning tunneling microscope to achieve a cutoff frequency beyond 26 GHz at the tunnel junction and to be operable at temperatures of 1.1 K–100 K in a magnetic field of up to 3 T. For this purpose, the microscope and its wiring as well as the associated cryostat system were specially designed and manufactured. For sample preparation, an ultrahigh vacuum system was developed, which is equipped with modular preparation platforms. Measurements showing the characteristics of the scanning tunneling microscope in the time and frequency domain are presented. As a proof of concept, experimental data of the Pd/Fe/Ir(111) sample system at 95 K in a magnetic field of 3 T are presented.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Dec 01, 2019
- Source ID
- 10.1063/1.5104317
Entities
People
- J. Friedlein
- Jonas Harm
- L. Bargsten
- Maciej Bazarnik
- Philipp Lindner
- Roland Wiesendanger
- Stefan Krause
Organizations
- German Research Foundation
- National Science Centre Poland
- Office of Naval Research
- Poznań University of Technology
- University of Hamburg