Al-impurity-induced magnetic excitations in heavily over-doped La $_{1.7}$ Sr $_{0.3}$ Cu $_{0.95}$ Al $_{0.05}$ O $_{4}$

Ikeuchi, Kazuhiko*; Nakajima, Kenji ; Kawamura, Seiko ; Kajimoto, Ryoichi ; Wakimoto, Shuichi ; Suzuki, Kensuke*; Fujita, Masaki*

By means of inelastic neutron scattering, we measured magnetic excitations in a sizable single crystal of La $_{1.7}$ Sr $_{0.3}$ Cu $_{0.95}$ Al $_{0.05}$ O $_{4}$ , which is an Al-substituted system of the heavily hole-doped cuprate system La $_{2-x}$ Sr $_{x}$ CuO $_{4}$ with an effective concentration of holes of $X_{rm eff}$ = 0.25.

Language	:	English
Journal	:	AIP Advances (Internet)
Volume	:	8
Number	:	10
Pages	:	p.101318_1 - 101318_5
Publication Year/Month	:	2018/10
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Paper URL	:	https://doi.org/10.1063/1.5043077
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Keywords	:	J-PARC; 超伝導; 磁気励起
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : AA20180356
JAEA Abstracts No. : 46000923
Paper Submission No. : 20491

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Al-impurity-induced magnetic excitations in heavily over-doped LaSrCuAlO

Al-impurity-induced magnetic excitations in heavily over-doped La $_{1.7}$ Sr $_{0.3}$ Cu $_{0.95}$ Al $_{0.05}$ O $_{4}$