Chip organization of bloch line memory with thermomagnetically written domain patterns

H. Asada; Kimihide Matsuyama; M. Gamachi; H. Miyoshi; K. Taniguchi

doi:10.1109/20.280950

Chip organization of bloch line memory with thermomagnetically written domain patterns

H. Asada, Kimihide Matsuyama, M. Gamachi, H. Miyoshi, K. Taniguchi

Electronic Devices

Research output: Contribution to journal › Conference article › peer-review

Abstract

A novel stripe domain stabilization method for Bloch line memory is proposed to simplify the stripe initiation procedure and facilitate the chip fabrication process. In this method, stripe domains are stabilized by stray magnetic fields from thermomagnetically written domain patterns (WDPs) in a perpendicular magnetization film with high coercivity, deposited on a layer supporting stripe domains. Chip organization has been studied by experiments and numerical simulation using a 5 μm bubble material. The stripe domain heads were stretched using the conductor current with the optimized WDP of 3.5 μm width and 12 μm period. Bit by bit propagation of vertical Bloch line pairs was confirmed by numerical simulations for the chip with the WDP having a fish-bone shape, which can perform both stripe stabilization and bit confinement.

Original language	English
Pages (from-to)	2572-2574
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	29
Issue number	6 pt 1
DOIs	https://doi.org/10.1109/20.280950
Publication status	Published - Nov 1 1993
Event	Proceedings of the International Magnetics Conference - Stockholm, Swed Duration: Apr 13 1993 → Apr 16 1993

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/20.280950

Cite this

@article{ef1ec8f2ac84444398ff51a8ec304952,

title = "Chip organization of bloch line memory with thermomagnetically written domain patterns",

abstract = "A novel stripe domain stabilization method for Bloch line memory is proposed to simplify the stripe initiation procedure and facilitate the chip fabrication process. In this method, stripe domains are stabilized by stray magnetic fields from thermomagnetically written domain patterns (WDPs) in a perpendicular magnetization film with high coercivity, deposited on a layer supporting stripe domains. Chip organization has been studied by experiments and numerical simulation using a 5 μm bubble material. The stripe domain heads were stretched using the conductor current with the optimized WDP of 3.5 μm width and 12 μm period. Bit by bit propagation of vertical Bloch line pairs was confirmed by numerical simulations for the chip with the WDP having a fish-bone shape, which can perform both stripe stabilization and bit confinement.",

author = "H. Asada and Kimihide Matsuyama and M. Gamachi and H. Miyoshi and K. Taniguchi",

year = "1993",

month = nov,

day = "1",

doi = "10.1109/20.280950",

language = "English",

volume = "29",

pages = "2572--2574",

journal = "IEEE Transactions on Magnetics",

issn = "0018-9464",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

number = "6 pt 1",

note = "Proceedings of the International Magnetics Conference ; Conference date: 13-04-1993 Through 16-04-1993",

}

TY - JOUR

T1 - Chip organization of bloch line memory with thermomagnetically written domain patterns

AU - Asada, H.

AU - Matsuyama, Kimihide

AU - Gamachi, M.

AU - Miyoshi, H.

AU - Taniguchi, K.

PY - 1993/11/1

Y1 - 1993/11/1

N2 - A novel stripe domain stabilization method for Bloch line memory is proposed to simplify the stripe initiation procedure and facilitate the chip fabrication process. In this method, stripe domains are stabilized by stray magnetic fields from thermomagnetically written domain patterns (WDPs) in a perpendicular magnetization film with high coercivity, deposited on a layer supporting stripe domains. Chip organization has been studied by experiments and numerical simulation using a 5 μm bubble material. The stripe domain heads were stretched using the conductor current with the optimized WDP of 3.5 μm width and 12 μm period. Bit by bit propagation of vertical Bloch line pairs was confirmed by numerical simulations for the chip with the WDP having a fish-bone shape, which can perform both stripe stabilization and bit confinement.

AB - A novel stripe domain stabilization method for Bloch line memory is proposed to simplify the stripe initiation procedure and facilitate the chip fabrication process. In this method, stripe domains are stabilized by stray magnetic fields from thermomagnetically written domain patterns (WDPs) in a perpendicular magnetization film with high coercivity, deposited on a layer supporting stripe domains. Chip organization has been studied by experiments and numerical simulation using a 5 μm bubble material. The stripe domain heads were stretched using the conductor current with the optimized WDP of 3.5 μm width and 12 μm period. Bit by bit propagation of vertical Bloch line pairs was confirmed by numerical simulations for the chip with the WDP having a fish-bone shape, which can perform both stripe stabilization and bit confinement.

UR - http://www.scopus.com/inward/record.url?scp=0027695298&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0027695298&partnerID=8YFLogxK

U2 - 10.1109/20.280950

DO - 10.1109/20.280950

M3 - Conference article

AN - SCOPUS:0027695298

SN - 0018-9464

VL - 29

SP - 2572

EP - 2574

JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

IS - 6 pt 1

T2 - Proceedings of the International Magnetics Conference

Y2 - 13 April 1993 through 16 April 1993

ER -

Chip organization of bloch line memory with thermomagnetically written domain patterns

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this