A miniature magnetometer based on the superconducting quantum interference device with direct readout electronics

Autor:	A. Matthews, J.M. Lumley, V. Polushkin, D. Glowacka, M. Wallis
Rok vydání:	1997
Předmět:	Physics Magnetic moment Condensed matter physics Magnetometer business.industry Magnetic resonance force microscopy Flux law.invention SQUID Magnetization law Magnetic flux quantum Spin echo Optoelectronics business Instrumentation
Zdroj:	Review of Scientific Instruments. 68:1461-1464
ISSN:	1089-7623 0034-6748
DOI:	10.1063/1.1147633
Popis:	A novel miniature superconducting quantum interference device magnetometer with direct readout electronics has been developed. A high flux-to-voltage transfer factor of up to 2500 μV/Φ0 is achieved without additional positive feedback (Φ0 is the flux quantum). A flux resolution of 8×10−7 Φ0/Hz1/2, corresponding to a magnetic moment sensitivity of approximately 2×10−20 A m2/Hz1/2, has been measured. This magnetometer can be used to study the dynamic magnetization properties (including nuclear magnetic resonance and magnetic resonance imaging) of micron and submicron size particles and for high-resolution surface magnetometry.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b7a9b77ee8d42129cac23594dc322f4f https://doi.org/10.1063/1.1147633 Zobrazit plný text záznamu