Search Results - "Assaad, Mohamad"
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The Age of Incorrect Information: A New Performance Metric for Status Updates
Published in IEEE/ACM transactions on networking (01-10-2020)“…In this paper, we introduce a new performance metric in the framework of status updates that we will refer to as the Age of Incorrect Information (AoII). This…”
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On the Age of Information in a CSMA Environment
Published in IEEE/ACM transactions on networking (01-04-2020)“…In this paper, we investigate a network where <inline-formula> <tex-math notation="LaTeX">N </tex-math></inline-formula> links contend for the channel using…”
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Strain‐Modulated Ferromagnetism at an Intrinsic van der Waals Heterojunction
Published in Advanced functional materials (01-09-2024)“…The van der Waals interaction enables atomically thin layers of exfoliated 2D materials to be interfaced in heterostructures with relaxed epitaxy conditions,…”
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Observation of room-temperature magnetic skyrmions and their current-driven dynamics in ultrathin metallic ferromagnets
Published in Nature materials (01-05-2016)“…Generation of stable skyrmion lattices and displacement of trains of individual skyrmions along a magnetic racetrack by short current pulses are demonstrated…”
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Experimental Observation of Exchange-Driven Chiral Effects in Curvilinear Magnetism
Published in Physical review letters (16-08-2019)“…The main origin of the chiral symmetry breaking and, thus, for the magnetochiral effects in magnetic materials is associated with an antisymmetric exchange…”
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Skyrmions in synthetic antiferromagnets and their nucleation via electrical current and ultra-fast laser illumination
Published in Nature communications (16-08-2022)“…Magnetic skyrmions are topological spin textures that hold great promise as nanoscale information carriers in non-volatile memory and logic devices. While…”
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A Framework of Topological Interference Management and Clustering for D2D Networks
Published in IEEE transactions on communications (01-11-2019)“…In this paper, we develop a joint clustering and topological interference management (TIM) framework for a device-to-device (D2D) network. This scheme divides…”
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Age of information in a decentralized network of parallel queues with routing and packets losses
Published in Journal of communications and networks (01-02-2022)“…The paper deals with age of information (AoI)in a network of multiple sources and parallel queues withbuffering capabilities, preemption in service and losses…”
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Enhancement of Ti3C2 MXene Pseudocapacitance after Urea Intercalation Studied by Soft X‑ray Absorption Spectroscopy
Published in Journal of physical chemistry. C (05-03-2020)“…MXenes have shown outstanding properties due to their highly active hydrophilic surfaces coupled with high metallic conductivity. Many applications rely on the…”
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Three-dimensional magnetic nanotextures with high-order vorticity in soft magnetic wireframes
Published in Nature communications (11-03-2024)“…Additive nanotechnology enable curvilinear and three-dimensional (3D) magnetic architectures with tunable topology and functionalities surpassing their planar…”
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Asymptotically optimal delay-aware scheduling in queueing systems
Published in Journal of communications and networks (01-06-2024)“…In this paper, we investigate a delay-aware channel allocation problem where the number of channels is less than thatof users. Due to the proliferation of…”
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Experimental and Theoretical Study of Curvature Effects in Parabolic Nanostripes
Published in Physica status solidi. PSS-RRL. Rapid research letters (01-01-2019)“…Curvature effects in magnetism offer appealing possibilities to obtain new magnetic textures at the nanoscale due to the interplay between exchange and…”
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Coordinated Multicell Beamforming for Massive MIMO: A Random Matrix Approach
Published in IEEE transactions on information theory (01-06-2015)“…We consider the problem of coordinated multicell downlink beamforming in massive multiple input multiple output (MIMO) systems consisting of N cells, N t…”
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Spatially resolved X-ray absorption spectroscopy investigation of individual cation-intercalated multi-layered Ti3C2Tx MXene particles
Published in Applied surface science (15-11-2020)“…•Ti L- and O K-edge of Li, Na, K, and Mg-intercalated multi-layered Ti3C2Tx particles.•Ti oxidation state of multi-layered cation-Ti3C2Tx…”
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Joint Scheduling and Resource Allocation in the OFDMA Downlink: Utility Maximization Under Imperfect Channel-State Information
Published in IEEE transactions on signal processing (01-11-2011)“…We consider the problem of simultaneous user-scheduling, power-allocation, and rate-selection in an orthogonal frequency division multiple access (OFDMA)…”
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Synchronous precessional motion of multiple domain walls in a ferromagnetic nanowire by perpendicular field pulses
Published in Nature communications (24-03-2014)“…Magnetic storage and logic devices based on magnetic domain wall motion rely on the precise and synchronous displacement of multiple domain walls. The…”
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Toward Optimal DoF Maximization with Interference Categorization using TIM and SIC
Published in IEEE access (01-01-2023)“…In this paper, a novel topological interference management (TIM) framework, combined with the successive interference cancellation (SIC) technique, is proposed…”
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Sample cartridge with built-in miniature molecule evaporator for in-situ measurement with a photoemission electron microscope
Published in Ultramicroscopy (01-05-2019)“…We present a new sample holder that is compatible with Photoemission Electron Microscopes (PEEMs) and contains a molecule evaporator. With the integrated low…”
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Spatially resolved investigation of all optical magnetization switching in TbFe alloys
Published in Scientific reports (25-08-2017)“…Optical control of magnetization using femtosecond laser without applying any external magnetic field offers the advantage of switching magnetic states at…”
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Size-Dependence and High Temperature Stability of Radial Vortex Magnetic Textures Imprinted by Superconductor Stray Fields
Published in ACS applied materials & interfaces (17-04-2024)“…Swirling spin textures, including topologically nontrivial states, such as skyrmions, chiral domain walls, and magnetic vortices, have garnered significant…”
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