Search Results - "MacLaren, Donald A"
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Magnetite pollution nanoparticles in the human brain
Published in Proceedings of the National Academy of Sciences - PNAS (27-09-2016)“…Biologically formed nanoparticles of the strongly magnetic mineral, magnetite, were first detected in the human brain over 20 y ago [Kirschvink JL,…”
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Influence of Thickness and Interface on the Low-Temperature Enhancement of the Spin Seebeck Effect in YIG Films
Published in Physical review. X (27-07-2016)“…The temperature-dependent longitudinal spin Seebeck effect (LSSE) in heavy metal(HM)/Y3Fe5O12(YIG) hybrid structures is investigated as a function of YIG film…”
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3
Beating the Stoner criterion using molecular interfaces
Published in Nature (London) (06-08-2015)“…By harnessing the charge transfer that takes place at the interface between a metal and a layer of molecules, the usually non-magnetic materials copper and…”
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4
Superferromagnetism and Domain-Wall Topologies in Artificial “Pinwheel” Spin Ice
Published in ACS nano (15-01-2019)“…For over ten years, arrays of interacting single-domain nanomagnets, referred to as artificial spin ices, have been engineered with the aim to study…”
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5
Grain-by-Grain Compositional Variations and Interstitial MetalsA New Route toward Achieving High Performance in Half-Heusler Thermoelectrics
Published in ACS applied materials & interfaces (07-02-2018)“…Half-Heusler alloys based on TiNiSn are promising thermoelectric materials characterized by large power factors and good mechanical and thermal stabilities,…”
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6
Controlling the symmetry of inorganic ionic nanofilms with optical chirality
Published in Nature communications (14-10-2020)“…Manipulating symmetry environments of metal ions to control functional properties is a fundamental concept of chemistry. For example, lattice strain enables…”
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7
One dimensional transport in silicon nanowire junction-less field effect transistors
Published in Scientific reports (07-06-2017)“…Junction-less nanowire transistors are being investigated to solve short channel effects in future CMOS technology. Here we demonstrate 8 nm diameter silicon…”
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8
Understanding variations of thermal hysteresis in barocaloric plastic crystal neopentyl glycol using correlative microscopy and calorimetry
Published in JPhys Energy (01-04-2024)“…Abstract Plastic crystals (PCs) exhibit solid–solid order-disorder first-order phase transitions that are accompanied by large correlated thermal and volume…”
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Symmetry Reduction and Shape Effects in Concave Chiral Plasmonic Structures
Published in Journal of physical chemistry. C (08-03-2018)“…Chiral metamaterials have shown a number of interesting properties which result from the interaction of the chiral near-field they produce with light and…”
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10
Supramolecular Silver Polyoxometalate Architectures Direct the Growth of Composite Semiconducting Nanostructures
Published in Angewandte Chemie International Edition (01-01-2009)“…Nanosilver on a string: Crystalline silver polyoxovanadate supramolecular architectures are employed as precursors for the synthesis of composite nanowires…”
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Nanoscale Mapping of the Magnetic Properties of (111)-Oriented La0.67Sr0.33MnO3
Published in Nano letters (09-09-2015)“…Spatially resolved analysis of magnetic properties on the nanoscale remains challenging, yet strain and defects on this length-scale can profoundly affect a…”
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12
Selective phase growth and precise-layer control in MoTe2
Published in Communications materials (24-07-2020)“…Minor structural changes in transition metal dichalcogenides can have dramatic effects on their electronic properties. This makes the quest for key parameters…”
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13
Spinterface Effects in Hybrid La0.7Sr0.3MnO3/SrTiO3/C60/Co Magnetic Tunnel Junctions
Published in ACS applied electronic materials (27-09-2022)“…Orbital hybridization at the Co/C60 interface been has proved to strongly enhance the magnetic anisotropy of the cobalt layer, promoting such hybrid systems as…”
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14
Active Chiral Plasmonics: Flexoelectric Control of Nanoscale Chirality
Published in Advanced photonics research (01-01-2021)“…The ability to electrically control the optical properties of metamaterials is an essential capability required for technological innovation. The creation of…”
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15
Spectroscopic Indications of Tunnel Barrier Charging as the Switching Mechanism in Memristive Devices
Published in Advanced functional materials (01-12-2017)“…Resistive random access memory is a promising, energy‐efficient, low‐power “storage class memory” technology that has the potential to replace both flash…”
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Spatial Control of 2D Nanomaterial Electronic Properties Using Chiral Light Beams
Published in ACS nano (29-07-2024)“…Single-layer two-dimensional (2D) nanomaterials exhibit physical and chemical properties which can be dynamically modulated through out-of-plane deformations…”
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17
1.5 μm Epitaxially Regrown Photonic Crystal Surface Emitting Laser Diode
Published in IEEE photonics technology letters (15-12-2020)“…We present an InP-based epitaxially regrown photonic crystal surface emitting laser diode, operating under pulsed electrical drive at room temperature, and…”
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18
Oxygen Impurities Link Bistability and Magnetoresistance in Organic Spin Valves
Published in ACS applied materials & interfaces (07-03-2018)“…Vertical crossbar devices based on manganite and cobalt injecting electrodes and a metal-quinoline molecular transport layer are known to manifest both…”
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19
Toward High Selectivity Aniline Synthesis Catalysis at Elevated Temperatures
Published in Industrial & engineering chemistry research (15-12-2021)“…In connection with an initiative to enhance heat recovery from the large-scale operation of a heterogeneously catalyzed nitrobenzene hydrogenation process to…”
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Metal Distributions, Efficient n‑Type Doping, and Evidence for in-Gap States in TiNiM y Sn (M = Co, Ni, Cu) half-Heusler Nanocomposites
Published in Chemistry of materials (14-04-2015)“…XNi1+y Sn nanocomposites consisting of a XNiSn half-Heusler (HH) matrix with segregated XNi2Sn Full Heusler (FH) inclusions promise improvements in…”
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