Charge-ordered states in (La,Sr)2NiO4 for hole concentrations nh=1/3 and 1/2

S. W. Cheong; H. Y. Hwang; C. H. Chen; B. Batlogg; L. W. Rupp; S. A. Carter

doi:10.1103/PhysRevB.49.7088

Charge-ordered states in (La,Sr)2NiO4 for hole concentrations nh=1/3 and 1/2

S. W. Cheong, H. Y. Hwang, C. H. Chen, B. Batlogg, L. W. Rupp, S. A. Carter

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233 Scopus citations

Abstract

Real-space ordering of doped holes in La2-xSrxNiO4 is revealed in magnetic and electronic-transport anomalies at low temperatures. The ordering is most pronounced for a hole concentration nh of 1/3 below 235 K where a superlattice with a modulation wave vector δ of 1/3 has been found. For nh=1/2, another charge-ordered state with δ=0 is also indicated below ∼340 K. Our results are, furthermore, suggestive of mesoscopic hole segregation for 0.2≤x≤0.4 forming the nh=1/3 and δ=1/3 state below 235 K.

Original language	English (US)
Pages (from-to)	7088-7091
Number of pages	4
Journal	Physical Review B
Volume	49
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.49.7088
State	Published - 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.49.7088

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title = "Charge-ordered states in (La,Sr)2NiO4 for hole concentrations nh=1/3 and 1/2",

abstract = "Real-space ordering of doped holes in La2-xSrxNiO4 is revealed in magnetic and electronic-transport anomalies at low temperatures. The ordering is most pronounced for a hole concentration nh of 1/3 below 235 K where a superlattice with a modulation wave vector δ of 1/3 has been found. For nh=1/2, another charge-ordered state with δ=0 is also indicated below ∼340 K. Our results are, furthermore, suggestive of mesoscopic hole segregation for 0.2≤x≤0.4 forming the nh=1/3 and δ=1/3 state below 235 K.",

author = "Cheong, {S. W.} and Hwang, {H. Y.} and Chen, {C. H.} and B. Batlogg and Rupp, {L. W.} and Carter, {S. A.}",

year = "1994",

doi = "10.1103/PhysRevB.49.7088",

language = "English (US)",

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journal = "Physical Review B-Condensed Matter",

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T1 - Charge-ordered states in (La,Sr)2NiO4 for hole concentrations nh=1/3 and 1/2

AU - Cheong, S. W.

AU - Hwang, H. Y.

AU - Chen, C. H.

AU - Batlogg, B.

AU - Rupp, L. W.

AU - Carter, S. A.

PY - 1994

Y1 - 1994

N2 - Real-space ordering of doped holes in La2-xSrxNiO4 is revealed in magnetic and electronic-transport anomalies at low temperatures. The ordering is most pronounced for a hole concentration nh of 1/3 below 235 K where a superlattice with a modulation wave vector δ of 1/3 has been found. For nh=1/2, another charge-ordered state with δ=0 is also indicated below ∼340 K. Our results are, furthermore, suggestive of mesoscopic hole segregation for 0.2≤x≤0.4 forming the nh=1/3 and δ=1/3 state below 235 K.

AB - Real-space ordering of doped holes in La2-xSrxNiO4 is revealed in magnetic and electronic-transport anomalies at low temperatures. The ordering is most pronounced for a hole concentration nh of 1/3 below 235 K where a superlattice with a modulation wave vector δ of 1/3 has been found. For nh=1/2, another charge-ordered state with δ=0 is also indicated below ∼340 K. Our results are, furthermore, suggestive of mesoscopic hole segregation for 0.2≤x≤0.4 forming the nh=1/3 and δ=1/3 state below 235 K.

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JF - Physical Review B-Condensed Matter

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Charge-ordered states in (La,Sr)2NiO4 for hole concentrations nh=1/3 and 1/2

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