Miao, Guo-Xing Chang, Joonyeon Assaf, Badih A. Heiman, Donald Moodera, Jagadeesh S. 2024-01-20T10:03:05Z 2024-01-20T10:03:05Z 2021-09-05 2014-04 2041-1723 https://pubs.kist.re.kr/handle/201004/126946 Magnetic insulators are known to provide large effective Zeeman fields that are confined at an interface, making them especially powerful in modifying adjacent one-or two-dimensional electronic structures. Utilizing this phenomenon and the other important property of magnetic insulators-spin filtering-here we report the generation and subsequent detection of a large interface field, as large as tens of tesla in EuS/Al/EuS heterostructures with metallic coulomb islands confined within a magnetic insulator barrier. The unique energy profile across this sandwich structure produces spin-assisted charge transfer across the device, generating a spontaneous spin current and voltage. These unique properties can be practical for controlling spin flows in electronic devices and for energy harvesting. English NATURE PUBLISHING GROUP NUCLEAR-MAGNETIC-RESONANCE ELECTRONIC MEASUREMENT ELECTROMOTIVE-FORCE FIELD-EMISSION SUPERCONDUCTOR POLARIZATION INJECTION MAGNETORESISTANCE JUNCTIONS SILICON Spin regulation in composite spin-filter barrier devices Article 10.1038/ncomms4682 1 NATURE COMMUNICATIONS, v.5 NATURE COMMUNICATIONS 5 scie scopus 000335221900001 2-s2.0-84899475364 Multidisciplinary Sciences Science & Technology - Other Topics Article NUCLEAR-MAGNETIC-RESONANCE ELECTRONIC MEASUREMENT ELECTROMOTIVE-FORCE FIELD-EMISSION SUPERCONDUCTOR POLARIZATION INJECTION MAGNETORESISTANCE JUNCTIONS SILICON spin filter spin regulation EuS tunneling magnetoresistance magnetic insulator