NMR evidence for spin fluctuations in the bilayer nickelate La3Ni2O6

被引：10

作者：

ApRoberts-Warren, N. ^{[1
]}

Crocker, J. ^{[1
]}

Dioguardi, A. P. ^{[1
]}

Shirer, K. R. ^{[1
]}

Poltavets, V. V. ^{[2
]}

Greenblatt, M. ^{[3
]}

Klavins, P. ^{[1
]}

Curro, N. J. ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

[2] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA

[3] Rutgers State Univ, Dept Chem & Chem Biol, Piscataway, NJ 08854 USA

来源：

PHYSICAL REVIEW B | 2013年 / 88卷 / 07期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.88.075124

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report nuclear magnetic resonance data in the bilayer nickelate La3Ni2O6. This material belongs to a family of low valence nickel oxides with square planar coordination of the Ni ions and is isoelectronic to the high temperature superconducting cuprates. Although the three layer nickelate compound exhibits a spin-state transition accompanied by antiferromagnetic order, the bilayer material shows no phase transition. The NMR data in the bilayer La3Ni2O6 reveal the presence of antiferromagnetic spin fluctuations down to 5K that are surprisingly similar to those present in the magnetically ordered trilayer La4Ni3O8, suggesting a similar electronic structure in the paramagnetic phase of both compounds.

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页数：5

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