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Tunable self-assembled Casimir microcavities and polaritons
Gold nanoflake pairs form by self-assembly in an aqueous ligand solution and offer stable and tunable microcavities by virtue of equilibrium between attractive Casimir forces and repulsive electrostatic forces.
- Battulga Munkhbat
- , Adriana Canales
- & Timur O. Shegai
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Actively variable-spectrum optoelectronics with black phosphorus
High-performance optoelectronic devices that operate in the infrared regime at room temperature exhibit wide-range, active and reversible tunability of the operating wavelengths with black phosphorus.
- Hyungjin Kim
- , Shiekh Zia Uddin
- & Ali Javey
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A natively flexible 32-bit Arm microprocessor
Flexible electronic platforms would enable the integration of functional electronic circuitry with many everyday objects; here, a low-cost and fully flexible 32-bit microprocessor is produced.
- John Biggs
- , James Myers
- & Scott White
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| Open AccessExponential suppression of bit or phase errors with cyclic error correction
Repetition codes running many cycles of quantum error correction achieve exponential suppression of errors with increasing numbers of qubits.
- Zijun Chen
- , Kevin J. Satzinger
- & Julian Kelly
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A catalysis-driven artificial molecular pump
A molecular-scale pump whose operation is driven by a catalytic process when in the presence of chemical fuel is autonomous, within an operating window, as long as the fuel lasts.
- Shuntaro Amano
- , Stephen D. P. Fielden
- & David A. Leigh
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Fizeau drag in graphene plasmonics
Direct infrared nano-imaging of plasmonic waves in graphene carrying high current density reveals the Fizeau drag of plasmon polaritons by fast-moving quasi-relativistic electrons.
- Y. Dong
- , L. Xiong
- & D. N. Basov
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Ultralow contact resistance between semimetal and monolayer semiconductors
Electric contacts of semimetallic bismuth on monolayer semiconductors are shown to suppress metal-induced gap states and thus have very low contact resistance and a zero Schottky barrier height.
- Pin-Chun Shen
- , Cong Su
- & Jing Kong
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Parallel convolutional processing using an integrated photonic tensor core
An integrated photonic processor, based on phase-change-material memory arrays and chip-based optical frequency combs, which can operate at speeds of trillions of multiply-accumulate (MAC) operations per second, is demonstrated.
- J. Feldmann
- , N. Youngblood
- & H. Bhaskaran
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Superconducting qubit to optical photon transduction
A chip-scale platform is developed for the conversion of a single microwave excitation of a superconducting qubit into optical photons, with potential uses in quantum computer networks.
- Mohammad Mirhosseini
- , Alp Sipahigil
- & Oskar Painter
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Capillary condensation under atomic-scale confinement
In the tiniest of capillaries, barely larger than a water molecule, condensation is surprisingly predictable from the macroscopic Kelvin condensation equation, a coincidence partially owing to elastic deformation of the capillary walls.
- Qian Yang
- , P. Z. Sun
- & A. K. Geim
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Logic-in-memory based on an atomically thin semiconductor
Logic operations and reconfigurable circuits are demonstrated that can be directly implemented using memory elements based on floating-gate field-effect transistors with monolayer MoS2 as the active channel material.
- Guilherme Migliato Marega
- , Yanfei Zhao
- & Andras Kis
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Graphene-based Josephson junction microwave bolometer
An ultimately thin microwave bolometric sensor based on a superconductor–graphene–superconductor Josephson junction with monolayer graphene has a sensitivity approaching the fundamental limit imposed by intrinsic thermal fluctuations.
- Gil-Ho Lee
- , Dmitri K. Efetov
- & Kin Chung Fong
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The superconducting quasicharge qubit
A fundamental superconducting qubit is introduced: ‘blochnium’ is dual to the transmon, relies on a circuit element called hyperinductance, and its fundamental physical variable is the quasicharge of the Josephson junction.
- Ivan V. Pechenezhskiy
- , Raymond A. Mencia
- & Vladimir E. Manucharyan
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Electronically integrated, mass-manufactured, microscopic robots
A new class of voltage-controllable electrochemical actuators that are compatible with silicon processing are used to produce over one million sub-hundred-micrometre walking robots on a single four-inch wafer.
- Marc Z. Miskin
- , Alejandro J. Cortese
- & Itai Cohen
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A biomimetic eye with a hemispherical perovskite nanowire array retina
A biomimetic electrochemical eye is presented that has a hemispherical retina made from a high-density array of perovskite nanowires that are sensitive to light, mimicking the photoreceptors of a biological retina.
- Leilei Gu
- , Swapnadeep Poddar
- & Zhiyong Fan
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Electrical manipulation of a topological antiferromagnetic state
Room-temperature electrical switching of a topological antiferromagnetic state in polycrystalline Mn3Sn thin films is demonstrated using the same protocol as that used for conventional ferromagnetic metals.
- Hanshen Tsai
- , Tomoya Higo
- & Satoru Nakatsuji
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Universal quantum logic in hot silicon qubits
Lithographically defined qubits are shown to support full two-qubit logic at temperatures above one kelvin by using electron spin states in silicon quantum dots.
- L. Petit
- , H. G. J. Eenink
- & M. Veldhorst
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Operation of a silicon quantum processor unit cell above one kelvin
A scalable silicon quantum processor unit cell made of two qubits confined to quantum dots operates at about 1.5 K, achieving 98.6% single-qubit gate fidelities and a 2 μs coherence time.
- C. H. Yang
- , R. C. C. Leon
- & A. S. Dzurak
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Control and single-shot readout of an ion embedded in a nanophotonic cavity
Single ytterbium ion qubits in nanophotonic cavities have long coherence times and can be optically read out in a single shot, establishing them as excellent candidates for optical quantum networks.
- Jonathan M. Kindem
- , Andrei Ruskuc
- & Andrei Faraon
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Nanoplasma-enabled picosecond switches for ultrafast electronics
An on-chip, all-electronic device based on the formation of a nanoplasma provides ultrafast electron transfer, enabling picosecond switching of electric signals and the generation of high-power terahertz pulses.
- Mohammad Samizadeh Nikoo
- , Armin Jafari
- & Elison Matioli
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Coherent electrical control of a single high-spin nucleus in silicon
Coherent quantum control of a single 123Sb nucleus using electric fields produced within a silicon nanoelectronic device is demonstrated experimentally, validating a concept predicted theoretically in 1961.
- Serwan Asaad
- , Vincent Mourik
- & Andrea Morello
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Current-driven magnetic domain-wall logic
Chiral coupling between neighbouring magnetic domains is used in domain-wall racetracks to realize various all-electric logic operations by cascading the gates.
- Zhaochu Luo
- , Aleš Hrabec
- & Laura J. Heyderman
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Observation of the Kondo screening cloud
The existence of the Kondo cloud is revealed by the spatially resolved characterization of the oscillations of the Kondo temperature in a Fabry–Pérot interferometer and its extent is shown to be several micrometres.
- Ivan V. Borzenets
- , Jeongmin Shim
- & Michihisa Yamamoto
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Spontaneous gyrotropic electronic order in a transition-metal dichalcogenide
Optical chiral induction and spontaneous gyrotropic electronic order are realized in the transition-metal chalcogenide 1T-TiSe2 by using illumination with mid-infrared circularly polarized light and simultaneous cooling below the critical temperature.
- Su-Yang Xu
- , Qiong Ma
- & Nuh Gedik
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Heterogeneous integration of single-crystalline complex-oxide membranes
A universal mechanical exfoliation method of creating freestanding membranes of complex-oxide materials with different crystal structures and orientations and stacking them to produce a range of artificial heterostructures with hybridized physical properties is described.
- Hyun S. Kum
- , Hyungwoo Lee
- & Jeehwan Kim
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Fully hardware-implemented memristor convolutional neural network
A fully hardware-based memristor convolutional neural network using a hybrid training method achieves an energy efficiency more than two orders of magnitude greater than that of graphics-processing units.
- Peng Yao
- , Huaqiang Wu
- & He Qian
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Classification with a disordered dopant-atom network in silicon
The nonlinearity of hopping conduction in a disordered network of boron dopant atoms in silicon is used to perform nonlinear classification and feature extraction.
- Tao Chen
- , Jeroen van Gelder
- & Wilfred G. van der Wiel
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Fast two-qubit logic with holes in germanium
Spin qubits based on hole states in strained germanium could offer the most scalable platform for quantum computation.
- N. W. Hendrickx
- , D. P. Franke
- & M. Veldhorst
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Resonant microwave-mediated interactions between distant electron spins
Microwave-mediated coupling of electron spins separated by more than 4 mm is demonstrated, suggesting the possibility of using photons at microwave frequencies to create long-range two-qubit gates between distant spins.
- F. Borjans
- , X. G. Croot
- & J. R. Petta
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Visualizing Poiseuille flow of hydrodynamic electrons
The emergence of a liquid-like electronic flow from ballistic flow in graphene is imaged, and an almost-ideal viscous hydrodynamic fluid of electrons exhibiting a parabolic Poiseuille flow profile is observed.
- Joseph A. Sulpizio
- , Lior Ella
- & Shahal Ilani
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Nanomagnetic encoding of shape-morphing micromachines
A micromachine less than 100 micrometres across, made of arrays of nanomagnets on hinged panels, is encoded with multiple shape transformations and actuated with a magnetic field.
- Jizhai Cui
- , Tian-Yun Huang
- & Laura J. Heyderman
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Letter |
Coherent spin-state transfer via Heisenberg exchange
Transmission of single-spin and entangled quantum states without the physical displacement of electrons is demonstrated in a quadruple quantum dot array using the Heisenberg exchange interaction and coherent SWAP gates.
- Yadav P. Kandel
- , Haifeng Qiao
- & John M. Nichol
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Letter |
Integer factorization using stochastic magnetic tunnel junctions
A probabilistic computer utilizing probabilistic bits, or p-bits, is implemented with stochastic nanomagnetic devices in a neural-network-inspired electrical circuit operating at room temperature and demonstrates integer factorization up to 945.
- William A. Borders
- , Ahmed Z. Pervaiz
- & Supriyo Datta
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Modern microprocessor built from complementary carbon nanotube transistors
A 16-bit microprocessor built from over 14,000 carbon nanotube transistors may enable energy efficiency advances in electronics technologies beyond silicon.
- Gage Hills
- , Christian Lau
- & Max M. Shulaker
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Letter |
Towards artificial general intelligence with hybrid Tianjic chip architecture
The ‘Tianjic’ hybrid electronic chip combines neuroscience-oriented and computer-science-oriented approaches to artificial general intelligence, demonstrated by controlling an unmanned bicycle.
- Jing Pei
- , Lei Deng
- & Luping Shi
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Letter |
Resolving the energy levels of a nanomechanical oscillator
A hybrid platform comprising a microwave superconducting qubit and a nanomechanical piezoelectric oscillator is used to resolve the phonon number states of the oscillator.
- Patricio Arrangoiz-Arriola
- , E. Alex Wollack
- & Amir H. Safavi-Naeini
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Letter |
A two-qubit gate between phosphorus donor electrons in silicon
A fast, high-fidelity two-qubit exchange gate between phosphorus donor electron spin qubits in silicon is demonstrated by creating a tunable exchange interaction between two electrons bound to phosphorus atom qubits.
- Y. He
- , S. K. Gorman
- & M. Y. Simmons
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Letter |
Thermal conductance of single-molecule junctions
The thermal conductance of single-molecule junctions is measured using picowatt-resolution calorimetric scanning probes and is found to be nearly independent of the length of the alkanedithiol molecules studied.
- Longji Cui
- , Sunghoon Hur
- & Edgar Meyhofer
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All-optical spiking neurosynaptic networks with self-learning capabilities
An optical version of a brain-inspired neurosynaptic system, using wavelength division multiplexing techniques, is presented that is capable of supervised and unsupervised learning.
- J. Feldmann
- , N. Youngblood
- & W. H. P. Pernice
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Letter |
Topological superconductivity in a phase-controlled Josephson junction
Majorana bound states are created in a two-dimensional architecture by confining Majorana channels within a planar Josephson junction, using the phase difference across the junction and an in-plane magnetic field.
- Hechen Ren
- , Falko Pientka
- & Amir Yacoby
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Letter |
Van der Waals contacts between three-dimensional metals and two-dimensional semiconductors
Ultraclean van der Waals bonds between gold-capped indium and a monolayer of the two-dimensional transition-metal dichalcogenide molybdenum disulfide show desirably low contact resistance at the interface, enabling high-performance field-effect transistors.
- Yan Wang
- , Jong Chan Kim
- & Manish Chhowalla
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Perspective |
Van der Waals integration before and beyond two-dimensional materials
Recent advances and future directions in the use of van der Waals integration beyond two-dimensional materials are reviewed.
- Yuan Liu
- , Yu Huang
- & Xiangfeng Duan
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Letter |
Broadband electro-optic frequency comb generation in a lithium niobate microring resonator
Using a thin-film lithium niobate photonic platform, an electro-optic frequency comb generator is realized that is capable of producing wide and stable spectra, spanning more frequencies than the entire telecommunications L-band.
- Mian Zhang
- , Brandon Buscaino
- & Marko Lončar
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Near-field photonic cooling through control of the chemical potential of photons
The ‘negative luminescence’ of a reverse-biased photodiode is harnessed to draw thermal energy from a nearby solid object, thereby realizing photonic cooling without the use of coherent laser radiation.
- Linxiao Zhu
- , Anthony Fiorino
- & Pramod Reddy
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Two-dimensional MoS2-enabled flexible rectenna for Wi-Fi-band wireless energy harvesting
Integration of an ultrafast flexible rectifier made from a two-dimensional material with a flexible antenna achieves wireless energy harvesting of Wi-Fi radiation, which could power future flexible electronic systems.
- Xu Zhang
- , Jesús Grajal
- & Tomás Palacios
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Observation of the nonlinear Hall effect under time-reversal-symmetric conditions
The nonlinear Hall effect is observed in bilayer WTe2 in the absence of a magnetic field, providing a direct measure of the dipole moment of the Berry curvature.
- Qiong Ma
- , Su-Yang Xu
- & Pablo Jarillo-Herrero
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Experimental realization of on-chip topological nanoelectromechanical metamaterials
Topological nanoelectromechanical metamaterials are realized at the micrometre scale, using silicon nitride nanomembranes, opening the way for on-chip integrated acoustic components in high-frequency signal-processing applications.
- Jinwoong Cha
- , Kun Woo Kim
- & Chiara Daraio
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Scalable energy-efficient magnetoelectric spin–orbit logic
A scalable spintronic device operating via spin–orbit transduction and magnetoelectric switching and using advanced quantum materials shows non-volatility and improved performance and energy efficiency compared with CMOS devices.
- Sasikanth Manipatruni
- , Dmitri E. Nikonov
- & Ian A. Young
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Perspective |
Structural superlubricity and ultralow friction across the length scales
The phenomenon of ultralow friction between sliding incommensurate crystal surfaces—structural superlubricity—is examined, and the challenges and opportunities involved in its extension to the macroscale are assessed.
- Oded Hod
- , Ernst Meyer
- & Michael Urbakh