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Nature Nanotechnology

Read the latest science news from A*STAR, the Agency for Science, Technology and Research, Singapore's leading research organization

Recent stories:
Lithography: A bright idea for on-demand nanopatterns  Nanoparticles: Let liquid fingers point the way 
High-resolution printing: Floating nanostructures for better color 

May 2018 Volume 13, Issue 5

Research Highlights
News & Views
In the Classroom

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Things molecules can do    p353

Genius in science, genius in teaching    p353



Is Cherenkov luminescence bright enough for photodynamic therapy?    p354
Guillem Pratx & Daniel S. Kapp

Reply to 'Is Cherenkov luminescence bright enough for photodynamic therapy?'    pp354 - 355
Nalinikanth Kotagiri, Richard Laforest & Samuel Achilefu

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Research Highlights


Stand up to stand out    p356
Olga Bubnova

Telecom single photons thaw    p356
Benjamin Heinrich

Sensing cellular cues    p356
Chiara Pastore

Energy from quiescent water    p356
Wenjie Sun

News & Views


A longer-lasting memory in layered semiconductors    p357
Thomas Szkopek

Believe in the force    pp358 - 359
Ingmar Swart

When radionuclides meet nanoparticles    pp359 - 360
Gang Niu & Xiaoyuan Chen

Reorganization takes energy    pp360 - 361
Alexander L. Shluger & Peter Grutter



Current polarity-dependent manipulation of antiferromagnetic domains    pp362 - 365
Peter Wadley, Sonka Reimers, Michal J. Grzybowski, Carl Andrews, Mu Wang et al.

Switching of antiferromagnetic domains by the propagation of domain walls is demonstrated using electrical current-induced torques.


Selective control of multiple ferroelectric switching pathways using a trailing flexoelectric field    pp366 - 370
Sung Min Park, Bo Wang, Saikat Das, Seung Chul Chae, Jin-Seok Chung et al.

A trailing flexoelectric field induced by SPM tip motion enables the selective control of multiple domain switching pathways in ferroelectric materials.


Quantitative assessment of intermolecular interactions by atomic force microscopy imaging using copper oxide tips    pp371 - 375
Harry Mönig, Saeed Amirjalayer, Alexander Timmer, Zhixin Hu, Lacheng Liu et al.

Using a rigid tip removes artefacts associated with imaging the strongly varying tip–sample potential of intermolecular sites by atomic force microscopy.


Reorganization energy upon charging a single molecule on an insulator measured by atomic force microscopy    pp376 - 380
Shadi Fatayer, Bruno Schuler, Wolfram Steurer, Ivan Scivetti, Jascha Repp et al.

An atomic force microscope is used as an ultralow current sensor to measure the reorganization energy of a single naphthalocyanine molecule during a redox reaction on a NaCl film.


An artificial molecular machine that builds an asymmetric catalyst    pp381 - 385
Guillaume De Bo, Malcolm A. Y. Gall, Sonja Kuschel, Julien De Winter, Pascal Gerbaux et al.

The ring of a rotaxane molecule traverses a polymer track picking up leucine amino acids and synthesizing a homo-leucine oligomer, which in turn folds into an alpha helix and catalyses a chemical reaction.


Kinesin expands and stabilizes the GDP-microtubule lattice    pp386 - 391
Daniel R. Peet, Nigel J. Burroughs & Robert A. Cross

Kinesins, natural nanometre-scale stepper motors, can feed back on the structure and dynamics of their microtubule tracks.




Large tunable valley splitting in edge-free graphene quantum dots on boron nitride    pp392 - 397
Nils M. Freitag, Tobias Reisch, Larisa A. Chizhova, Péter Nemes-Incze, Christian Holl et al.

The valley splitting in a stack of graphene and boron nitride can be controlled through a quantum dot induced by a scanning tunnelling microscope.


Spin–photon interface and spin-controlled photon switching in a nanobeam waveguide    pp398 - 403
Alisa Javadi, Dapeng Ding, Martin Hayhurst Appel, Sahand Mahmoodian, Matthias Christian Löbl et al.

The spin state of a single electron is shown to control the transmission of single photons through a nanophotonic waveguide, thus realizing a spin-based photonic switch.


A semi-floating gate memory based on van der Waals heterostructures for quasi-non-volatile applications    pp404 - 410
Chunsen Liu, Xiao Yan, Xiongfei Song, Shijin Ding, David Wei Zhang et al.

A new quasi-non-volatile 2D semi-floating gate memory with high speed and long refresh time could bridge the gap between volatile and non-volatile memory technologies.


Synergetic interaction between neighbouring platinum monomers in CO2 hydrogenation    pp411 - 417
Hongliang Li, Liangbing Wang, Yizhou Dai, Zhengtian Pu, Zhuohan Lao et al.

Neighbouring Pt monomers work in synergy, leading to a distinct CO2 hydrogenation pathway and enhanced activity.


Nanoparticles as multimodal photon transducers of ionizing radiation    pp418 - 426


A detailed mechanistic study between nanoparticles and radionuclides reveals the roles of β particles and ? radiation in observed light and the possibility of generating X-rays, expanding the radionuclides available for biomedical applications and offering a multicolour nuclear imaging modality.


Nanoparticle-induced neuronal toxicity across placental barriers is mediated by autophagy and dependent on astrocytes    pp427 - 433
Simon J. Hawkins, Lucy A. Crompton, Aman Sood, Margaret Saunders, Noreen T. Boyle et al.

Exposure to nanoparticles induces indirect autophagy-mediated signalling events, leading to neuron damage via astrocytes in a human model of the placenta and to DNA damage in the neonatal hippocampus in vivo.


In the Classroom


The social scientist    p434
Jennifer A. Dionne

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