Effects of interfacial roughness on the GMR of Ta/Co/Ta multilayers studied by neutron reflectometer

Mao, Min; Shen, Juan; Li, Xinxi; Wang, Yan; Dai, Bo; Ren, Yong

doi:10.1007/s10854-021-05811-y

Cited by 3 publications

(1 citation statement)

References 47 publications

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“…Large atomically smooth solid surfaces are required to resolve the nanoscale compositional differences of a liquid perpendicular to the solid surface. Developing such large smooth surfaces benefits systems commonly studied with NR such as polymer films and other buried interfaces. − If smooth enough, the interfacial structure of electrolytes (referred to as the electrochemical double layer) can be probed. Of specific interest is the double layer structure of ionic liquids (ILs).…”

Section: Introductionmentioning

confidence: 99%

Smooth Modified Surfaces of Silicon for the Study of Ionic Liquid Interfaces by Neutron Reflectometry

Klein

Sacci

Gurkan

2022

ACS Appl. Electron. Mater.

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Silicon surfaces with termination of hydrogen (H−Si), quartz, native silicon (native-Si), and chemically deposited (Au−Si) cd and sputtered gold (Au−Si) s were fabricated with roughness less than 6 Å to study the solid−liquid interface of the ionic liquid (IL) methyltrioctylammonium bis(trifluoromethylsulfonyl)imide, [N 1888 ][TFSI], by neutron reflectometry (NR). The modifications made to the silicon surface were to obtain a native positive or negative charge similar to a charged surface in electrochemical systems. The differences in scattering length density (SLD) based on mass density and composition of IL were examined. Perpendicular to the substrate surface, a distinct transition between the first ion layer and the bulk liquid is resolved out of the reflectivity data for the gold surfaces and in particular the chemically deposited Au−Si. Other interfaces are best described by a diffuse transition between regions of different SLDs. The diffuse transitions between SLDs observed here suggest that the interfacial structure of IL, while ordered, is best described by a continuous variation in composition as opposed to distinct layers of ions.

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Section: Introductionmentioning

confidence: 99%

Smooth Modified Surfaces of Silicon for the Study of Ionic Liquid Interfaces by Neutron Reflectometry

Klein

Sacci

Gurkan

2022

ACS Appl. Electron. Mater.

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Contribution of surface scattering to the GMR effect in the magnetic multilayer films

Elsafi

2024

Indian J Phys

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Interfacial random roughness effects on the magnetoresistance of Co–Cu metallic superlattices

Elsafi

2024

Physica B: Condensed Matter

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Effects of interfacial roughness on the GMR of Ta/Co/Ta multilayers studied by neutron reflectometer

Cited by 3 publications

References 47 publications

Smooth Modified Surfaces of Silicon for the Study of Ionic Liquid Interfaces by Neutron Reflectometry

Smooth Modified Surfaces of Silicon for the Study of Ionic Liquid Interfaces by Neutron Reflectometry

Contribution of surface scattering to the GMR effect in the magnetic multilayer films

Interfacial random roughness effects on the magnetoresistance of Co–Cu metallic superlattices

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