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Tomoya Nakatani
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Improvement in CPP-GMR read head sensor performance using [001]-oriented polycrystalline half-metallic Heusler alloy Co <sub>2</sub> FeGa <sub>0.5</sub> Ge <sub>0.5</sub> and CoFe bilayer electrode
Description/Abstract:
A current-perpendicular-to-plane giant magnetoresistive (CPP-GMR) device with a half-metallic electrode is one of the most promising cand...
Keyword:
CPP-GMR
,
HDD
,
Heusler alloy
,
half-metal
, and
read head
Resource Type:
Article
Author:
Dolly Taparia
,
Taisuke Sasaki
,
Tomoya Nakatani
,
Hirofumi Suto
,
Yoshio Miura
,
Zehao Li
,
Varun Kumar Kushwaha
,
Kazuumi Inubushi
,
Shinto Ichikawa
,
Katsuyuki Nakada
,
Tomoyuki Sasaki
,
Seiji Mitani
, and
Yuya Sakuraba
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
07/01/2025
Effects of layer thickness and annealing process on low-frequency noise and detectivity in tunnel magnetoresistive sensors with CoFeSiB soft magnetic layers
Description/Abstract:
We investigated the effects of the CoFeSiB soft magnetic layer thickness and annealing process on the magnetic field sensing and low-freq...
Keyword:
1/f noise
,
magnetic sensor
,
noise
,
soft magnetic
, and
tunnel magnetoresistance
Resource Type:
Article
Author:
Murali Krishnan Manikketh
,
Prabhanjan D. Kulkarni
,
Tomoya Nakatani
,
Hirofumi Suto
, and
Yuya Sakuraba
Journal:
Journal of Applied Physics
Date Uploaded:
28/11/2024
Tunnel magnetoresistive sensors with non-hysteretic resistance-magnetic field curves using noncollinear interlayer exchange coupling through RuFe spacers
Description/Abstract:
Magnetic stabilization of the ferromagnetic layers of magnetoresistive elements is a key technological requirement for highly sensitive a...
Keyword:
interlayer exchange coupling
,
magnetic hysteresis
,
magnetic sensor
, and
tunnel magnetoresistance
Resource Type:
Article
Author:
Prabhanjan D. Kulkarni
and
Tomoya Nakatani
Journal:
APPLIED PHYSICS LETTERS
Date Uploaded:
13/11/2024
Growth of [001]-oriented polycrystalline Heusler alloy thin films using [001]-textured Ag buffer layer on thermally oxidized Si substrate for spintronics applications
Description/Abstract:
To utilize highly spin-polarized Heusler alloys in practical spintronic devices, the realization of highly textured and structurally orde...
Keyword:
Heusler alloy
,
giant magnetoresistance
,
magnetic recording
,
read head
,
surfactant
,
textured growth
, and
thin film
Resource Type:
Article
Author:
Dolly Taparia
,
Taisuke T. Sasaki
,
Tomoya Nakatani
,
Hirofumi Suto
,
Seiji Mitani
, and
Yuya Sakuraba
Journal:
Journal of Applied Physics
Date Uploaded:
12/11/2024
Analysis of an all-in-plane spin-torque oscillator using injection locking to an external microwave magnetic field
Description/Abstract:
We experimentally study the magnetization dynamics of an all-in-plane spin-torque oscillator (AIP-STO) by using injection locking to an e...
Keyword:
injection locking
,
micro magnetic simulation
,
microwave-assisted magnetic recording
,
spin-torque oscillator
, and
spin-transfer torque
Resource Type:
Article
Author:
Hirofumi Suto
,
Hossein Sepehri-Amin
,
Nagarjuna Asam
,
Weinan Zhou
,
Anton Bolyachkin
,
Masayuki Takagishi
,
Naoyuki Narita
,
Shingo Tamaru
,
Tomoya Nakatani
, and
Yuya Sakuraba
Journal:
Applied Physics Express
Date Uploaded:
28/06/2024
Perspective on nanoscale magnetic sensors using giant anomalous Hall effect in topological magnetic materials for read head application in magnetic recording
Description/Abstract:
Recent advances in the study of materials with topological electronic band structures have revealed magnetic materials exhibiting giant a...
Keyword:
Weyl semimetal
,
anomalous Hall effect
,
magnetic recording
,
magnetic sensors
,
read head
, and
topological materials
Resource Type:
Article
Author:
Tomoya Nakatani
,
Prabhanjan D. Kulkarni
,
Hirofumi Suto
,
Keisuke Masuda
,
Hitoshi Iwasaki
, and
Yuya Sakuraba
Journal:
Applied Physics Letters
Date Uploaded:
26/02/2024
Improvement of magnetic field detectivity in electrical 1/f noise-dominated tunnel magnetoresistive sensors by AC magnetic field modulation technique
Description/Abstract:
Suppression of 1/f noise in tunnel magnetoresistance (TMR) sensors is a central issue in the realization of magnetic field sensors with u...
Keyword:
1/f noise
,
magnetic sensor
,
noise
, and
tunnel magnetoresistance
Resource Type:
Article
Author:
Tomoya Nakatani
,
Hirofumi Suto
,
Prabhanjan D. Kulkarni
,
Hitoshi Iwasaki
, and
Yuya Sakuraba
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
23/01/2024
Date Modified:
16/02/2024
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magnetic sensor
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7
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4
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3
Creative Commons BY Attribution 4.0 International
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Author
Tomoya Nakatani
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Japan Society for the Promotion of Science
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Ministry of Education, Culture, Sports, Science and Technology
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Core Research for Evolutional Science and Technology
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Journal of Applied Physics
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