scholarly journals Sensitive measurement of phase shift of an AC magnetic field by quantum sensing with multiple-pulse decoupling sequences

2019 ◽  
Vol 126 (6) ◽  
pp. 064504
Author(s):  
Toyofumi Ishikawa ◽  
Akio Yoshizawa ◽  
Yasunori Mawatari ◽  
Satoshi Kashiwaya ◽  
Hideyuki Watanabe
Keyword(s):  
Magnetic Field ◽  
Phase Shift ◽  
Multiple Pulse ◽  
Ac Magnetic Field ◽  
Quantum Sensing

Magnetoelectric anisotropy in laminate composite for detecting magnetic field

2019 ◽  
Vol 12 (01) ◽  
pp. 1850098 ◽  
Author(s):  
Li Lv ◽  
Xi Yao ◽  
Lin Gan ◽  
Xiaoli Zhang ◽  
Jian-Ping Zhou
Keyword(s):  
Magnetic Field ◽  
Phase Shift ◽  
Laminate Composite ◽  
Magnetoelectric Effect ◽  
Bias Magnetic Field ◽  
Magnetic Signal ◽  
Two Phase ◽  
Ac Magnetic Field ◽  
Dc Bias ◽  
Magnetoelectric Coefficient

Magnetoelectric anisotropy was researched in a disc laminate composite. The magnetoelectric coefficient exhibits a cosine characteristic with the angle between the direction of dc bias magnetic field [Formula: see text] and small ac sine magnetic signal [Formula: see text], no matter how [Formula: see text] rotates. Correspondingly, there are only two values of phase shift when the angle varies from 0 to 360[Formula: see text]. These two phase shifts only depend on [Formula: see text] mapping on [Formula: see text], i.e., sign of dot product of [Formula: see text] and [Formula: see text] [Sgn([Formula: see text])], implying that [Formula: see text]cos[Formula: see text] produces charge through the magnetoelectric effect. Then, a simple device was proposed to detect the magnitude and direction of ac magnetic field.

Effect of Magnetic Fields on the Resistance and Microstructure of Al-Cu Alloy during Solidification Processing

2011 ◽  
Vol 287-290 ◽  
pp. 2916-2920
Author(s):  
Chun Yan Ban ◽  
Peng Qian ◽  
Xu Zhang ◽  
Qi Xian Ba ◽  
Jian Zhong Cui
Keyword(s):  
Magnetic Field ◽  
Magnetic Fields ◽  
Turning Points ◽  
Probe Method ◽  
Solidification Processing ◽  
Ac Magnetic Field ◽  
Dc Magnetic Field ◽  
Cu Alloy ◽  
The Difference ◽  
Good Agreement

The resistance of Al-21%Cu alloy under no magnetic field, DC magnetic field and AC magnetic field from liquid to solid was measured by a four-probe method. The difference of resistance versus temperature curves (R-T curves) was analyzed. It is found that the R-T curves of Al-21%Cu alloy are monotone decreasing and have two obvious turning points. Under DC magnetic field, the liquidus and solidus temperatures of the alloy both decrease, while under AC magnetic field, the liquidus and solidus temperatures both increase. There is a good agreement between the microstructure of quenching sample and R-T curves. The mechanism of the effect of magnetic fields was discussed.

AC-magnetic field controlled drug release from magnetoliposomes: design of a method for site-specific chemotherapy

2002 ◽  
Vol 55 (1-2) ◽  
pp. 17-19 ◽  
Author(s):  
M Babincová ◽  
P Čičmanec ◽  
V Altanerová ◽  
Č Altaner ◽  
P Babinec
Keyword(s):  
Magnetic Field ◽  
Drug Release ◽  
Controlled Drug Release ◽  
Site Specific ◽  
Ac Magnetic Field

On the in Vitro Hyperthermia of Magnetic Fluid in AC Magnetic Field

2009 ◽  
Author(s):  
Junfeng Jiang ◽  
Ruoyu Hong ◽  
Xiaohui Zhang ◽  
Hongzhong Li
Keyword(s):  
Magnetic Field ◽  
Magnetic Fluid ◽  
Volume Fraction ◽  
Maximum Temperature ◽  
Magnetic Fluid Hyperthermia ◽  
Ac Magnetic Field ◽  
Hyperthermia Therapy ◽  
Good Biocompatibility ◽  
High Chemical Stability

Hyperthermia therapy for cancer has attracted much attention nowadays. The study on the heat transfer in the magnetic fluid and the tumor is crucial for the successful application of magnetic fluid hyperthermia (MFH). Water-based Fe3O4 magnetic fluid is expected to be a most appropriate candidate for MFH due to the good biocompatibility, high saturation magnetization, super-paramagnetization and high chemical stability. In this paper, we explore the heat generation and transfer in magnetic fluid which is placed under an AC magnetic field. It is found that the amplitude and the frequency of alternating magnetic field, particle size and volume fraction have a pronounce influence on maximum temperature of hyperthermia.

Enhancement of cumulative photoirradiated and ac magnetic-field induced cancer (HeLa) cell killing efficacy of mixed α and γ-Fe2O3 magnetic nanoparticles

2012 ◽  
Vol 36 (5) ◽  
pp. 1201 ◽  
Author(s):  
Md. Shariful Islam ◽  
Yoshihumi Kusumoto ◽  
Md. Abdulla-Al-Mamun ◽  
Yuji Horie ◽  
Hirotaka Manaka
Keyword(s):  
Magnetic Field ◽  
Magnetic Nanoparticles ◽  
Hela Cell ◽  
Cell Killing ◽  
Ac Magnetic Field

Formation and evolution of giant dynamic domains in an ac magnetic field

2003 ◽  
Vol 45 (6) ◽  
pp. 1081-1086
Author(s):  
M. V. Logunov ◽  
M. V. Gerasimov
Keyword(s):  
Magnetic Field ◽  
Ac Magnetic Field ◽  
Formation And Evolution
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