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Ion bombardment has been shown to be capable of enhancing the interlayer exchange coupling in a trilayer system that exhibits giant magnetoresistance. We demonstrate that this phenomenon can be derived from the phase coherence among…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Ching-Hao Chang , Tzay-Ming Hong

The manipulation of the antiferromagnetic interlayer coupling in the epitaxial Fe/Cr/Fe(001) trilayer system by moderate 5 keV He ion beam irradiation has been investigated experimentally. It is shown that even for irradiation with very low…

Graphene and other two-dimensional crystals can be combined to form various hybrids and heterostructures, creating materials on demand, in which the interlayer coupling at the interface leads to modified physical properties as compared to…

A general model for treating the effects of three dimensional interface roughness (IFR) in layered semiconductor structures has been derived and experimentally verified. Configurational averaging of the IFR potential produces an effective…

Materials Science · Physics 2017-10-10 Alex Y. Song , Rajaram Bhat , Pierre Bouzi , Chung-En Zah , Claire F. Gmachl

We have considered the effects of non magnetic impurities and interface roughness on the interlayer coupling between magnetic layers in metallic multilayers. The two types of defects alter the interlayer coupling in quite different ways.…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Peter M. Levy , Sadamichi Maekawa , Patrick Bruno

Molecular dynamics simulations have been used to study a collective atomic transport phenomenon by repeated Ar$^+$ irradiations in the Ti/Pt interfacial system. The ion-induced injection of surface atoms to the bulk, the ejection of bulk…

Materials Science · Physics 2009-11-10 P. Süle , M. Menyhárd , K. Nordlund

We describe the effect of the Fe layer thickness on the antiferromagnetic interlayer exchange coupling in [Fe/MgO]$_N$ superlattices. An increase in coupling strength with increasing Fe layer thickness is observed, which highlights the need…

Materials Science · Physics 2024-06-04 Anna L. Ravensburg , Matías P. Grassi , Björgvin Hjövarsson , Vassilios Kapaklis

Shapes of colloids matter at liquid interfaces. We explore the interactions between rough-surfaced nanocolloids at the air--water interface through the compaction of monolayers experimentally and numerically. Sufficiently rough systems…

Soft Condensed Matter · Physics 2023-05-17 Airi N. Kato , Yujie Jiang , Wei Chen , Ryohei Seto , Tao Li

The interlayer exchange coupling confers specific properties to Synthetic Antiferromagnets that make them suitable for several applications of spintronics. The efficient use of this magnetic configuration requires an in-depth understanding…

Materials Science · Physics 2022-11-07 A. Mouhoub , F. Millo , C. Chappert , J. -V. Kim , J. Létang , A. Solignac , T. Devolder

We investigate the interlayer coupling between two thin ferromagnetic (F) films mediated by an antiferromagnetic (AF) spacer in F*/AF/F trilayers and show how it transitions between different regimes on changing the AF thickness. Employing…

Interlayer coupling effects between high mobility two-dimensional superconductors are studied in bilayer delta-doped SrTiO3 heterostructures. By tuning the undoped SrTiO3 spacer layer between the dopant planes, clear tunable coupling is…

Superconductivity · Physics 2013-12-24 Hisashi Inoue , Minu Kim , Christopher Bell , Yasuyuki Hikita , Srinivas Raghu , Harold Y. Hwang

A more extended low density region of coexisting uniform antiferromagnetism and d-wave superconductivity has been reported in multilayer cuprates, when compared to single or bilayer cuprates. This coexistence could be due to the enhanced…

Strongly Correlated Electrons · Physics 2012-07-10 Wei-Qiang Chen , J. Y. Gan , T. M. Rice , F. C. Zhang

Interfaces play a substantial role for the functional properties of structured magnetic materials and magnetic multilayers. Modeling the functional behavior of magnetic materials requires the treatment of the relevant phenomena at the…

We present an exact treatment of layered many-body electronic systems in the presence of interlayer coupling within the Schwinger functional derivative approach on the Keldysh contour. Our transparent approach allows us to clarify the…

Strongly Correlated Electrons · Physics 2020-07-01 Christopher Lane

We introduce new models that incorporate layer corrugation and interface roughness into standard approaches for measuring interface stress in nanomultilayers (NMLs). Applied to Cu/W NMLs, these models show that ignoring such features can…

Materials Science · Physics 2025-01-31 Yang Hu , Aleksandr Druzhinin , Claudia Cancellieri , Vladyslav Turlo

We study the thermal conductance across solid-solid interfaces as the composition of an intermediate matching layer is varied. In absence of phonon-phonon interactions, an added layer can make the interfacial conductance increase or…

Mesoscale and Nanoscale Physics · Physics 2017-05-10 Carlos A. Polanco , Rouzbeh Rastgarkafshgarkolaei , Jingjie Zhang , Nam Le , Pamela M. Norris , Avik W. Ghosh

Understanding the mechanism of interfacial thermal transport is crucial for thermal management of electronics. Recent experiments have shown the strong impact of interfacial roughness on inelastic phonon scattering and interfacial thermal…

Mesoscale and Nanoscale Physics · Physics 2025-04-08 Jinyuan Xu , Yangyu Guo

The paper addresses the problem of a Mode III interfacial crack advancing quasi-statically in a heterogeneous composite material, that is a two-phase material containing elastic inclusions, both soft and stiff, and defects, such as…

Mathematical Physics · Physics 2011-10-25 Andrea Piccolroaz , Gennady Mishuris , Alexander Movchan , Natasha Movchan

Twisted stacked few layer black phosphorus heterostructures were successfully fabricated in this work. Abnormal blue shifts in their Ag1 and Ag2 Raman peaks and unique optical reflections were observed in these samples. The phonon behavior…

Materials Science · Physics 2018-05-04 Tao Fang , Teren Liu , Zenan Jiang , Rui Yang , Peyman Servati , Guangrui , Xia

Vertically stacked atomic layers from different layered crystals can be held together by van der Waals forces, which can be used for building novel heterostructures, offering a platform for developing a new generation of atomically thin,…

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