Table of contents



Solid qubits p205


Reliable and consistent technological achievements are required for the development of quantum technologies.

Controlling an invisible order p205


Although undetectable by macroscopic magnetic probes, antiferromagnetic order could be used in future spintronic devices.



Long-term monitoring for nanomedicine implants and drugs pp206 - 210

Michaela Kendall & Iseult Lynch


Increasing globalization means that traditional occupational epidemiological approaches may no longer apply, suggesting a need for an alternative model to assess the long-term impact of nanomaterial exposure on health.



Correction p210




Navigating the risk landscape pp211 - 212

Andrew D. Maynard


The potential risks surrounding nanotechnology can often appear complex and confusing. But with some basic guideposts, argues Andrew D. Maynard, navigating them can become a little easier.


Research Highlights

Our choice from the recent literature p213



News and Views

Cancer immunotherapy: A vaccine from plant virus proteins pp214 - 215

Pier Paolo Peruzzi & E. Antonio Chiocca


Cowpea mosaic virus nanoparticles can induce the immune system to clear metastatic cancers.

See also: Article by Lizotte et al.

Quantum metrology: The sensitive side of a spin pp215 - 216

Stephen D. Bartlett


With fast, adaptive control over the spin of a single electron, magnetic fields can now be measured at the very limits allowed by quantum physics.

See also: Letter by Bonato et al.

Quantum information: Violation of Bell's inequality in Si pp216 - 217

Susan Coppersmith


An entangled state of two spin qubits in silicon has been prepared and measured, yielding a violation of Bell's inequality that is the largest achieved in the solid state so far.

See also: Letter by Dehollain et al.



Catalysis with two-dimensional materials and their heterostructures pp218 - 230

Dehui Deng, K. S. Novoselov, Qiang Fu, Nanfeng Zheng, Zhongqun Tian & Xinhe Bao


This article reviews recent progress in the use of graphene and other two-dimensional atomic crystals in catalytic applications, highlighting the activity and potential of heterogeneous systems such as van der Waals heterostructures.

Antiferromagnetic spintronics pp231 - 241

T. Jungwirth, X. Marti, P. Wadley & J. Wunderlich


This article reviews efforts to control and monitor the magnetization in antiferromagnetic materials, as well as the prospects for antiferromagnetic spintronics applications.



Bell's inequality violation with spins in silicon pp242 - 246

Juan P. Dehollain, Stephanie Simmons, Juha T. Muhonen, Rachpon Kalra, Arne Laucht, Fay Hudson, Kohei M. Itoh, David N. Jamieson, Jeffrey C. McCallum, Andrew S. Dzurak & Andrea Morello


A violation of Bell's inequality, which is a direct proof of entanglement, can be observed in the solid state using the electron and nuclear spins of a single phosphorus atom in silicon.

See also: News and Views by Coppersmith

Optimized quantum sensing with a single electron spin using real-time adaptive measurements pp247 - 252

C. Bonato, M. S. Blok, H. T. Dinani, D. W. Berry, M. L. Markham, D. J. Twitchen & R. Hanson


Quantum sensing based on solid-state spins can be improved with the use of adaptive strategies.

See also: News and Views by Bartlett

Reaching the quantum limit of sensitivity in electron spin resonance pp253 - 257

A. Bienfait, J. J. Pla, Y. Kubo, M. Stern, X. Zhou, C. C. Lo, C. D. Weis, T. Schenkel, M. L. W. Thewalt, D. Vion, D. Esteve, B. Julsgaard, K. Mølmer, J. J. L. Morton & P. Bertet


The sensitivity of electron spin resonance has been improved up to the quantum limit through the use of a Josephson parametric microwave amplifier combined with high-quality-factor superconducting microresonators cooled at millikelvin temperatures.

Nanoscale phase engineering of thermal transport with a Josephson heat modulator pp258 - 262

Antonio Fornieri, Christophe Blanc, Riccardo Bosisio, Sophie D'Ambrosio & Francesco Giazotto


A heat modulator designed to control the phase-coherent component of the thermal current at the nanoscale can be realized with a superconducting quantum interference device.

A flexoelectric microelectromechanical system on silicon pp263 - 266

Umesh Kumar Bhaskar, Nirupam Banerjee, Amir Abdollahi, Zhe Wang, Darrell G. Schlom, Guus Rijnders & Gustau Catalan


Cantilevers made of SrTiO3 grown on silicon use the flexoelectric effect to achieve electromechanical performances similar to piezoelectric bimorph cantilevers.

Ultralow effective work function surfaces using diamondoid monolayers pp267 - 272

Karthik Thimmavajjula Narasimha, Chenhao Ge, Jason D. Fabbri, William Clay, Boryslav A. Tkachenko, Andrey A. Fokin, Peter R. Schreiner, Jeremy E. Dahl, Robert M. K. Carlson, Z. X. Shen & Nicholas A. Melosh


Air-stable monolayers of diamondoids can rival cesium's work-function-lowering ability and can dramatically increase field emission current through a radical cation mechanism.



An ultrabright and monochromatic electron point source made of a LaB6 nanowire pp273 - 279

Han Zhang, Jie Tang, Jinshi Yuan, Yasushi Yamauchi, Taku T. Suzuki, Norio Shinya, Kiyomi Nakajima & Lu-Chang Qin


A single layer of La atoms placed on the tip of a LaB6 nanowire suppresses chemical reactions and promotes emission of free electrons, creating an electron source with very low noise and high stability.

Spin-wave-beam driven synchronization of nanocontact spin-torque oscillators pp280 - 286

A. Houshang, E. Iacocca, P. Dürrenfeld, S. R. Sani, J. Åkerman & R. K. Dumas


The synchronization between nanocontact oscillators can be promoted by purposefully taking advantage of Oersted field-induced spin-wave beams, thus allowing synchronization of at least five oscillators.

Computing in mammalian cells with nucleic acid strand exchange pp287 - 294

Benjamin Groves, Yuan-Jyue Chen, Chiara Zurla, Sergii Pochekailov, Jonathan L. Kirschman, Philip J. Santangelo & Georg Seelig


By adapting DNA strand displacement and exchange reactions to mammalian cells, DNA circuitry is developed that can directly interact with a native mRNA.

In situ vaccination with cowpea mosaic virus nanoparticles suppresses metastatic cancer pp295 - 303

P. H. Lizotte, A. M. Wen, M. R. Sheen, J. Fields, P. Rojanasopondist, N. F. Steinmetz & S. Fiering


Virus-like nanoparticles such as the cowpea mosaic virus, known to have inherent immunogenic properties, are now used to suppress metastatic cancer in various mouse models.

See also: News and Views by Peruzzi & Chiocca


In The Classroom

Academia and industry united p304

Diana Nanova


A joint research platform is a great playground for young researchers to combine fundamental and applied research, says Diana Nanova.


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