@inproceedings{059bf279424648ef90c14c78164f2a01,
title = "New insights into nanomagnetism: Spin-polarized scanning tunneling microscopy and spectroscopy studies",
abstract = "We perform low-temperature spin-polarized scanning tunneling microscopy (SP-STM) and spectroscopy measurements in magnetic fields to gain new insights into nanomagnetism. We use the magnetic field to change and control magnetizations of a sample and a magnetic tip, and measure the magnetic hysteresis loops of individual Co nano-islands on Cu(111). We also exploit the high spatial resolution of SP-STM in magnetic fields to measure maps of the differential conductance within a single Co nano-island. In connection with ab initio calculations, we find that the spin polarization is not homogeneous but spatially modulated within the nano-island. We ascribe the spatial variation of the spin polarization to spin-dependent electron confinement within the Co nano-island.",
keywords = "Co islands, Cu(111), Electron confinement, Magnetic hysteresis loop, Nanomagnetism, Spin polarization, Spin-polarized scanning tunneling microscopy, Spin-polarized scanning tunneling spectroscopy",
author = "Hirofumi Oka and Guillemin Rodary and Sebastian Wedekind and Ignatiev, {Pavel A.} and Larissa Niebergall and Stepanyuk, {Valeri S.} and Dirk Sander and J{\"u}rgen Kirschner",
year = "2011",
doi = "10.1117/12.892459",
language = "English",
isbn = "9780819487100",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
booktitle = "Spintronics IV",
note = "Spintronics IV ; Conference date: 21-08-2011 Through 24-08-2011",
}