Nature Materials
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The processes of metallic asperities moving across each other, which are decisive in most machinery, have been visualized at the atomic scale, revealing unexpected behaviour especially when under tensile stress.
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#1Yang He (University of Pittsburgh)H-Index: 32
#2Dingshun She (China University of Geosciences (Beijing))
Last. Scott X. Mao (University of Pittsburgh)H-Index: 66
view all 8 authors...
The field of nanotribology has long suffered from the inability to directly observe what takes place at a sliding interface. Although techniques based on atomic force microscopy have identified many friction phenomena at the nanoscale, many interpretative pitfalls still result from the indirect or ex situ characterization of contacting surfaces. Here we combined in situ high-resolution transmission electron microscopy and atomic force microscopy measurements to provide direct real-time observati...
1 CitationsSource
#1Gianluca MilanoH-Index: 9
#2Giacomo Pedretti (Polytechnic University of Milan)H-Index: 14
Last. Carlo Ricciardi (Polytechnic University of Turin)H-Index: 24
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Neuromorphic computing aims at the realization of intelligent systems able to process information similarly to our brain. Brain-inspired computing paradigms have been implemented in crossbar arrays of memristive devices; however, this approach does not emulate the topology and the emergent behaviour of biological neuronal circuits, where the principle of self-organization regulates both structure and function. Here, we report on in materia reservoir computing in a fully memristive architecture b...
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#1Qiangfei Xia (UMass: University of Massachusetts Amherst)H-Index: 48
#2J. Joshua Yang (SC: University of Southern California)H-Index: 70
Last. Rivu Midya (UMass: University of Massachusetts Amherst)H-Index: 10
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A seemingly disordered network of nanowires governed by thermodynamics is used as the physical ‘reservoir’ in a memristive implementation of reservoir computing to process spatiotemporal information.
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#1Sajna Hameed (UMN: University of Minnesota)H-Index: 4
#2Damjan Pelc (UMN: University of Minnesota)H-Index: 10
Last. Yaohua Liu (ORNL: Oak Ridge National Laboratory)H-Index: 26
view all 16 authors...
The properties of quantum materials are commonly tuned using experimental variables such as pressure, magnetic field and doping. Here we explore a different approach using irreversible, plastic deformation of single crystals. We show that compressive plastic deformation induces low-dimensional superconductivity well above the superconducting transition temperature (Tc) of undeformed SrTiO3, with evidence of possible superconducting correlations at temperatures two orders of magnitude above the b...
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#1Byungmin Sohn (SNU: Seoul National University)H-Index: 4
#2Eunwoo Lee (SNU: Seoul National University)H-Index: 10
Last. Hanyoung Ryu (SNU: Seoul National University)H-Index: 2
view all 19 authors...
Magnetism and spin–orbit coupling are two quintessential ingredients underlying topological transport phenomena in itinerant ferromagnets. When spin-polarized bands support nodal points/lines with band degeneracy that can be lifted by spin–orbit coupling, the nodal structures become a source of Berry curvature, leading to a large anomalous Hall effect. However, two-dimensional systems can possess stable nodal structures only when proper crystalline symmetry exists. Here we show that two-dimensio...
1 CitationsSource
#1Su-Yang Xu (Harvard University)H-Index: 74
#2Qiong Ma (BC: Boston College)H-Index: 23
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#1Matthew Bogyo (Stanford University)H-Index: 88
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#1Erik van Heumen (UvA: University of Amsterdam)H-Index: 6
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