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On-chip SQUID measurements in the presence of high magnetic fields
Published 21 Jul 2010 in cond-mat.mes-hall, cond-mat.supr-con, and quant-ph | (1007.3752v2)
Abstract: We report a low temperature measurement technique and magnetization data of a quantum molecular spin, by implementing an on-chip SQUID technique. This technique enables the SQUID magnetometery in high magnetic fields, up to 7 Tesla. The main challenges and the calibration process are detailed. The measurement protocol is used to observe quantum tunneling jumps of the S=10 molecular magnet, Mn12-tBuAc. The effect of transverse field on the tunneling splitting for this molecular system is addressed as well.
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