Interface-modified random circuit breaker network model applicable to both bipolar and unipolar resistance switching

S. B. Lee; J. S. Lee; S. H. Chang; H. K. Yoo; B. S. Kang; B. Kahng; M. J. Lee; C. J. Kim; T. W. Noh

doi:10.1063/1.3543776

Interface-modified random circuit breaker network model applicable to both bipolar and unipolar resistance switching

S. B. Lee
, J. S. Lee
, S. H. Chang
, H. K. Yoo
, B. S. Kang
, B. Kahng
, M. J. Lee
, C. J. Kim
, T. W. Noh

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

44 Scopus citations

Abstract

We observed reversible-type changes between bipolar (BRS) and unipolar resistance switching (URS) in one Pt/ SrTiO_x /Pt capacitor. To explain both BRS and URS in a unified scheme, we introduce the "interface-modified random circuit breaker network model," in which the bulk medium is represented by a percolating network of circuit breakers. To consider interface effects in BRS, we introduce circuit breakers to investigate resistance states near the interface. This percolation model explains the reversible-type changes in terms of connectivity changes in the circuit breakers and provides insights into many experimental observations of BRS which are under debate by earlier theoretical models.

Original language	English
Article number	033502
Journal	Applied Physics Letters
Volume	98
Issue number	3
DOIs	https://doi.org/10.1063/1.3543776
State	Published - 17 Jan 2011

Bibliographical note

Funding Information:
S.B.L. and J.S.L. contributed equally to this work. This research was supported by National Research Foundation of Korea grants funded by the Korean Ministry of Education, Science and Technology (Grant Nos. 2009-0080567 and 2010-0020416, (B.K. and J.S.L.) 2010-0015066, and (B.S.K.) 2010-0011608). S.B.L. acknowledges support from the Seoam Fellowship.

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title = "Interface-modified random circuit breaker network model applicable to both bipolar and unipolar resistance switching",

abstract = "We observed reversible-type changes between bipolar (BRS) and unipolar resistance switching (URS) in one Pt/ SrTiOx /Pt capacitor. To explain both BRS and URS in a unified scheme, we introduce the {"}interface-modified random circuit breaker network model,{"} in which the bulk medium is represented by a percolating network of circuit breakers. To consider interface effects in BRS, we introduce circuit breakers to investigate resistance states near the interface. This percolation model explains the reversible-type changes in terms of connectivity changes in the circuit breakers and provides insights into many experimental observations of BRS which are under debate by earlier theoretical models.",

author = "Lee, \{S. B.\} and Lee, \{J. S.\} and Chang, \{S. H.\} and Yoo, \{H. K.\} and Kang, \{B. S.\} and B. Kahng and Lee, \{M. J.\} and Kim, \{C. J.\} and Noh, \{T. W.\}",

note = "Funding Information: S.B.L. and J.S.L. contributed equally to this work. This research was supported by National Research Foundation of Korea grants funded by the Korean Ministry of Education, Science and Technology (Grant Nos. 2009-0080567 and 2010-0020416, (B.K. and J.S.L.) 2010-0015066, and (B.S.K.) 2010-0011608). S.B.L. acknowledges support from the Seoam Fellowship.",

year = "2011",

month = jan,

day = "17",

doi = "10.1063/1.3543776",

language = "English",

volume = "98",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

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TY - JOUR

T1 - Interface-modified random circuit breaker network model applicable to both bipolar and unipolar resistance switching

AU - Lee, S. B.

AU - Lee, J. S.

AU - Chang, S. H.

AU - Yoo, H. K.

AU - Kang, B. S.

AU - Kahng, B.

AU - Lee, M. J.

AU - Kim, C. J.

AU - Noh, T. W.

N1 - Funding Information: S.B.L. and J.S.L. contributed equally to this work. This research was supported by National Research Foundation of Korea grants funded by the Korean Ministry of Education, Science and Technology (Grant Nos. 2009-0080567 and 2010-0020416, (B.K. and J.S.L.) 2010-0015066, and (B.S.K.) 2010-0011608). S.B.L. acknowledges support from the Seoam Fellowship.

PY - 2011/1/17

Y1 - 2011/1/17

N2 - We observed reversible-type changes between bipolar (BRS) and unipolar resistance switching (URS) in one Pt/ SrTiOx /Pt capacitor. To explain both BRS and URS in a unified scheme, we introduce the "interface-modified random circuit breaker network model," in which the bulk medium is represented by a percolating network of circuit breakers. To consider interface effects in BRS, we introduce circuit breakers to investigate resistance states near the interface. This percolation model explains the reversible-type changes in terms of connectivity changes in the circuit breakers and provides insights into many experimental observations of BRS which are under debate by earlier theoretical models.

AB - We observed reversible-type changes between bipolar (BRS) and unipolar resistance switching (URS) in one Pt/ SrTiOx /Pt capacitor. To explain both BRS and URS in a unified scheme, we introduce the "interface-modified random circuit breaker network model," in which the bulk medium is represented by a percolating network of circuit breakers. To consider interface effects in BRS, we introduce circuit breakers to investigate resistance states near the interface. This percolation model explains the reversible-type changes in terms of connectivity changes in the circuit breakers and provides insights into many experimental observations of BRS which are under debate by earlier theoretical models.

UR - https://www.scopus.com/pages/publications/79251557831

U2 - 10.1063/1.3543776

DO - 10.1063/1.3543776

M3 - Article

AN - SCOPUS:79251557831

SN - 0003-6951

VL - 98

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 3

M1 - 033502

ER -

Interface-modified random circuit breaker network model applicable to both bipolar and unipolar resistance switching

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