Planar Hall ring sensor for ultra-low magnetic moment sensing

Tran Quang Hung; Ferial Terki; Souleymanne Kamara; Kunwoo Kim; Salam Charar; Cheolgi Kim

doi:10.1063/1.4918534

Planar Hall ring sensor for ultra-low magnetic moment sensing

Tran Quang Hung, Ferial Terki, Souleymanne Kamara, Kunwoo Kim, Salam Charar, Cheolgi Kim

Department of Physics and Chemistry

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

The field sensitivity of a planar Hall effect (PHE) micro-ring type biosensor has been investigated as a function of magnetizing angle of the sensor material, for the sensing of low magnetic moment superparamagnetic labels. The field sensitivity is maximal at a magnetizing angle of α=20°. At this optimized magnetizing angle, the field sensitivity of a PHE sensor is about 3.6 times higher than that measured at the conventional configuration, α=90°. This optimization enables the PHE-ring sensor to detect superparamagnetic biolabels with ultra-low magnetic moments down to 4×10^-13emu.

Original language	English
Article number	154505
Journal	Journal of Applied Physics
Volume	117
Issue number	15
DOIs	https://doi.org/10.1063/1.4918534
State	Published - 21 Apr 2015

Bibliographical note

Publisher Copyright:
© 2015 AIP Publishing LLC.

Access to Document

10.1063/1.4918534

Cite this

@article{a1ea4cde958741a5b5c497302d27da17,

title = "Planar Hall ring sensor for ultra-low magnetic moment sensing",

abstract = "The field sensitivity of a planar Hall effect (PHE) micro-ring type biosensor has been investigated as a function of magnetizing angle of the sensor material, for the sensing of low magnetic moment superparamagnetic labels. The field sensitivity is maximal at a magnetizing angle of α=20°. At this optimized magnetizing angle, the field sensitivity of a PHE sensor is about 3.6 times higher than that measured at the conventional configuration, α=90°. This optimization enables the PHE-ring sensor to detect superparamagnetic biolabels with ultra-low magnetic moments down to 4×10-13emu.",

author = "Hung, {Tran Quang} and Ferial Terki and Souleymanne Kamara and Kunwoo Kim and Salam Charar and Cheolgi Kim",

note = "Publisher Copyright: {\textcopyright} 2015 AIP Publishing LLC.",

year = "2015",

month = apr,

day = "21",

doi = "10.1063/1.4918534",

language = "English",

volume = "117",

journal = "Journal of Applied Physics",

issn = "0021-8979",

publisher = "American Institute of Physics",

number = "15",

}

TY - JOUR

T1 - Planar Hall ring sensor for ultra-low magnetic moment sensing

AU - Hung, Tran Quang

AU - Terki, Ferial

AU - Kamara, Souleymanne

AU - Kim, Kunwoo

AU - Charar, Salam

AU - Kim, Cheolgi

PY - 2015/4/21

Y1 - 2015/4/21

N2 - The field sensitivity of a planar Hall effect (PHE) micro-ring type biosensor has been investigated as a function of magnetizing angle of the sensor material, for the sensing of low magnetic moment superparamagnetic labels. The field sensitivity is maximal at a magnetizing angle of α=20°. At this optimized magnetizing angle, the field sensitivity of a PHE sensor is about 3.6 times higher than that measured at the conventional configuration, α=90°. This optimization enables the PHE-ring sensor to detect superparamagnetic biolabels with ultra-low magnetic moments down to 4×10-13emu.

AB - The field sensitivity of a planar Hall effect (PHE) micro-ring type biosensor has been investigated as a function of magnetizing angle of the sensor material, for the sensing of low magnetic moment superparamagnetic labels. The field sensitivity is maximal at a magnetizing angle of α=20°. At this optimized magnetizing angle, the field sensitivity of a PHE sensor is about 3.6 times higher than that measured at the conventional configuration, α=90°. This optimization enables the PHE-ring sensor to detect superparamagnetic biolabels with ultra-low magnetic moments down to 4×10-13emu.

UR - http://www.scopus.com/inward/record.url?scp=84928138562&partnerID=8YFLogxK

U2 - 10.1063/1.4918534

DO - 10.1063/1.4918534

M3 - Article

AN - SCOPUS:84928138562

SN - 0021-8979

VL - 117

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 15

M1 - 154505

ER -

Planar Hall ring sensor for ultra-low magnetic moment sensing

Abstract

Bibliographical note

Access to Document

Other files and links

Fingerprint

Cite this