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| Open AccessEfficient multimode Wigner tomography
Standard ways of characterising quantum states incur exponential overhead. Here, the authors consider the task of reconstructing density matrices of multimode continuous variable systems, and demonstrate a method which scales polynomially with the system size, provided the state lies in a polynomial dimensional subspace.
- Kevin He
- , Ming Yuan
- & David I. Schuster
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Article
| Open AccessSustainable thermal regulation improves stability and efficiency in all-perovskite tandem solar cells
Mixed Sn-Pb perovskites have emerged as promising photovoltaic materials for both single- and multi-junction solar cells. Here, authors reveal the thermal degradation mechanism and incorporate carboranes for thermal regulation, resulting in stable all-perovskite tandems with efficiency of over 27%.
- Shuchen Tan
- , Chongwen Li
- & Zhongmin Zhou
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Article
| Open AccessE-cardiac patch to sense and repair infarcted myocardium
Infarted myocardium hampers the synchronous electroactivity of the cardiac tissue. Here, the authors showcase a battery-free conductive cardiac patch made of reduced graphene and its therapeutic efficacy for cardiac repair.
- Renjie Qiu
- , Xingying Zhang
- & Leyu Wang
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Article
| Open AccessMechanical-scan-free multicolor super-resolution imaging with diffractive spot array illumination
Here, the authors use spot array illumination to enable mechanical-scan-free super-resolution microscopy with adjustable resolution and good effective field of view, demonstrating a platform for studying molecular interactions at the nanoscale.
- Ning Xu
- , Sarah E. Bohndiek
- & Qiaofeng Tan
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Article
| Open AccessHigh-performance piezoelectric energy harvesting in amorphous perovskite thin films deposited directly on a plastic substrate
Traditional methods to incorporate polycrystalline thin film into flexible systems are often complicated and limited by their sizes. Here, the authors introduce flexible amorphous thin film energy harvester, based on perovskite oxides, on a plastic substrate for electromechanical energy harvesting.
- Ju Han
- , Sung Hyun Park
- & Yong Soo Cho
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Article
| Open AccessBenchmarking of methods for DNA methylome deconvolution
Determining the different cell types that contribute to a mixture of DNA is key for research and diagnostic applications. Here, authors comprehensively benchmark DNA methylation-based deconvolution methods, evaluating their performance and robustness to technical bias.
- Kobe De Ridder
- , Huiwen Che
- & Bernard Thienpont
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Article
| Open AccessIntroduction of the difluoromethyl group at the meta- or para-position of pyridines through regioselectivity switch
The direct C−H-difluoromethylation of pyridines represents a highly efficient economic way to access azines. However, the direct meta-difluoromethylation of pyridines remains elusive. Here, the authors demonstrate switchable meta- as well as para-C−H difluoromethylation of pyridines through radical processes by using oxazino pyridine intermediates.
- Pengwei Xu
- , Zhe Wang
- & Armido Studer
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Article
| Open AccessRedox-induced controllable engineering of MnO2-MnxCo3-xO4 interface to boost catalytic oxidation of ethane
The exploration of heterogeneous interfaces between metal oxides has received limited attention. Here the authors demonstrated the creation of MnO2-MnxCo3-xO4 interfaces through controlled chemical reduction processes, effectively altering electron distribution and yielding a superior catalyst for ethane oxidation.
- Haiyan Wang
- , Shuang Wang
- & Xinwen Guo
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Article
| Open AccessStretchable phosphorescent polymers by multiphase engineering
Stretchable phosphorescent materials have potential in applications such as wearable electronics, but achieving a suitable balance of emission and stretchability is challenging. Here, the authors report the use of microphase separation to show stretchability with emission lifetimes maintained.
- Nan Gan
- , Xin Zou
- & Wei Huang
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Article
| Open AccessLate-stage benzenoid-to-troponoid skeletal modification of the cephalotanes exemplified by the total synthesis of harringtonolide
Many natural products exist as families of structurally similar molecules, and therefore developing skeletal modifications of common intermediates offers flexible and powerful approaches for target synthesis. Here, the authors report a single-atom insertion into the framework of the benzenoid subfamily, providing access to the troponoid congeners.
- Stefan Wiesler
- , Goh Sennari
- & Richmond Sarpong
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Article
| Open AccessSwitchable supramolecular helices for asymmetric stereodivergent catalysis
Controlling multiple stereogenic centers in a single molecular scaffold represents a challenge for current switchable asymmetric catalysts. Here, the authors achieve asymmetric stereodivergency by means of a switchable supramolecular helical catalyst allowing all stereoisomers to be obtained with high and similar enantioselectivities.
- Ran Chen
- , Ahmad Hammoud
- & Matthieu Raynal
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Article
| Open AccessMolecular fingerprinting of biological nanoparticles with a label-free optofluidic platform
Biosensing tools to detect multiple analytes in a high-throughput manner are still hindered by many limitations. Here, the authors present a label-free optofluidic platform integrating digital holography and microfluidics for analyte detection, allowing for the fingerprinting of heterogenous biological samples.
- Alexia Stollmann
- , Jose Garcia-Guirado
- & Romain Quidant
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Article
| Open AccessThe origin of exceptionally large ductility in molybdenum alloys dispersed with irregular-shaped La2O3 nano-particles
Application of Molybdenum alloys is hindered by reduced ductility at lower temperatures. Here, the author shows improved ductility in a Mo alloy with irregular-shaped rare-earth La2O3 nanoparticles achieved via rotary-swaging, attributed to the amorphization of the oxide-matrix interface.
- Yujie Chen
- , Yan Fang
- & Qian Yu
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Article
| Open AccessTask-oriented machine learning surrogates for tipping points of agent-based models
Detecting tipping points and predicting extreme events from data remains a challenging problem in complex systems related to climate, ecology and finance. The authors propose a data-driven approach to estimate probabilities of rare events in complex systems, and detect tipping points/catastrophic shifts.
- Gianluca Fabiani
- , Nikolaos Evangelou
- & Ioannis G. Kevrekidis
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Article
| Open AccessExperimental demonstration of an on-chip p-bit core based on stochastic magnetic tunnel junctions and 2D MoS2 transistors
Probabilistic bits (p-bits) are the base units of probabilistic computing, a computing scheme offering a more efficient approach than conventional binary logic in various applications. Here, the authors report the realization of a p-bit core device by combining stochastic magnetic tunnel junctions and 2D MoS2 transistors on the same chip.
- John Daniel
- , Zheng Sun
- & Joerg Appenzeller
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Article
| Open AccessInverted device architecture for high efficiency single-layer organic light-emitting diodes with imbalanced charge transport
Efficient organic light-emitting diodes require a multilayer architecture to confine charge recombination to the emissive layer. Here, authors demonstrate efficient single-layer devices for emitters with imbalanced charge transport without the need of additional charge transport or blocking layers.
- Xiao Tan
- , Dehai Dou
- & Gert-Jan A. H. Wetzelaer
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Comment
| Open AccessA critical discussion of the current availability of lithium and zinc for use in batteries
Aqueous zinc batteries are currently being explored as potential alternatives to non-aqueous lithium-ion batteries. In this comment, the authors highlight zinc’s global supply chain resilience and lower material costs yet caution about its higher mass requirement for comparable charge storage.
- Alessandro Innocenti
- , Dominic Bresser
- & Stefano Passerini
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| Open AccessAsymmetric C–H Dehydrogenative Alkenylation via a Photo-induced Chiral α‑Imino Radical Intermediate
The direct alkenylation with simple alkenes stands out as the most ideal yet challenging strategy for obtaining high-valued desaturated alkanes. Herein, the authors present a direct asymmetric dehydrogenative α-C(sp3)-H alkenylation of carbonyls based on synergistic photoredox-cobalt-chiral primary amine catalysis under visible light.
- Zongbin Jia
- , Liang Cheng
- & Sanzhong Luo
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Article
| Open AccessTracking nuclear motion in single-molecule magnets using femtosecond X-ray absorption spectroscopy
The authors use femtosecond K-edge X-ray absorption spectroscopy to follow nuclear motion in a manganese-based tri-nuclear single-molecule magnet, and resolve changes in bond lengths on the order of hundreds of ångströms and on sub-picosecond timescales.
- Kyle Barlow
- , Ryan Phelps
- & J. Olof Johansson
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| Open AccessSustainable upcycling of mixed spent cathodes to a high-voltage polyanionic cathode material
Direct recycling of critical battery materials bring promise but a challenge for the mixed cathode chemistries. Here, the authors report a sustainable upcycling approach, transforming degraded LiFePO4 and Mn-rich cathodes into a high-voltage polyanionic material with an increased energy density and economic value.
- Guanjun Ji
- , Di Tang
- & Hui-Ming Cheng
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Article
| Open AccessAtomically dispersed asymmetric cobalt electrocatalyst for efficient hydrogen peroxide production in neutral media
The relationship between the structural configurations of M-N-C electrocatalysts and their performances in neutral environments has been insufficiently investigated. Here the authors demonstrate that an ultralow metal-loaded Co-N-C electrocatalyst, featuring the asymmetric Co-C/N/O configuration, exhibit exceptional efficiency in electrochemically producing hydrogen peroxide under neutral conditions.
- Longxiang Liu
- , Liqun Kang
- & Guanjie He
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Article
| Open AccessDynamics of growing carbon nanotube interfaces probed by machine learning-enabled molecular simulations
There is a lack of atomic level insight on the role of defects on carbon nanotubes' growth. Here, authors present a machine learning force field to drive near-microsecond simulations the entire growth process of this material, unveiling mechanisms of defect formation and healing.
- Daniel Hedman
- , Ben McLean
- & Feng Ding
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Article
| Open AccessSpin-orbit torque manipulation of sub-terahertz magnons in antiferromagnetic α-Fe2O3
Antiferromagnetic spintronics offer high speed operations, and reduced issues with stray fields compared to ferromagnetic systems, however, antiferromagnets are typically more challenging to manipulate electrically. Here, Yang, Kim, and coauthors demonstrate electrical control of magnon dispersion and frequency in an α-Fe2O3/Pt heterostructure.
- Dongsheng Yang
- , Taeheon Kim
- & Hyunsoo Yang
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| Open AccessUltrastrong magnon-magnon coupling and chiral spin-texture control in a dipolar 3D multilayered artificial spin-vortex ice
Extending magnetic nanostructures into three dimensions offers a vast increase in potential functionalities, but this typically comes at the expense of ease of fabrication and measurement. Here, Dion et al. demonstrate an approach to creating three dimensional magnetic nanostructures while retaining easy fabrication and readout of established two dimensional approaches.
- Troy Dion
- , Kilian D. Stenning
- & Jack C. Gartside
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Article
| Open AccessElectric-field tunable Type-I to Type-II band alignment transition in MoSe2/WS2 heterobilayers
Photoluminescence and photocurrent measurements indicate that MoSe2/WS2 hetero-bilayers can be switched from type-I to type-II band alignment by applying a vertical electric field.
- Jed Kistner-Morris
- , Ao Shi
- & Nathaniel Gabor
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Article
| Open AccessCrown ether decorated silicon photonics for safeguarding against lead poisoning
Lead toxification in society is a public health crisis. The exposure to lead poisoning gives rise to a multitude of health issues. In this work, a chip-scale photonic platform that enables the highly quantitative detection of lead is demonstrated.
- Luigi Ranno
- , Yong Zen Tan
- & Jia Xu Brian Sia
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Article
| Open AccessThree-dimensional liquid metal-based neuro-interfaces for human hippocampal organoids
Providing a suitable multi-electrode array (MEA) for free-floating neural organoids is a great challenge. Here, authors present a mesh soft stretchable MEA for recording neural signals in human hippocampal organoids derived from induced pluripotent stem cells.
- Yan Wu
- , Jinhao Cheng
- & Xingyu Jiang
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Article
| Open AccessEnabling 3D CT-scanning of cultural heritage objects using only in-house 2D X-ray equipment in museums
Visualising the structure of museum objects is a crucial step in understanding the origin, state, and composition of cultural heritage artifacts. Here the authors present an approach for creating computed tomography reconstructions using only standard 2D radiography equipment already available in most larger museums.
- Francien G. Bossema
- , Willem Jan Palenstijn
- & K. Joost Batenburg
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Article
| Open AccessOptical vectorial-mode parity Hall effect: a case study with cylindrical vector beams
This study uses a customized metasurface to unveil a distinct parity Hall effect in degenerate optical vectorial modes. This work realizes the advances in meta-devices and showcases new possibilities for manipulating optical fields based on parity.
- Changyu Zhou
- , Weili Liang
- & Xiaocong Yuan
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Article
| Open AccessLead-free dual-frequency ultrasound implants for wireless, biphasic deep brain stimulation
Ultrasound-driven bioelectronics offer a wireless scheme for implants. Here, the authors reported a lead-free dual-frequency ultrasound implants for wireless, biphasic deep brain stimulation.
- Qian Wang
- , Yusheng Zhang
- & Jiagang Wu
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Article
| Open AccessPlasma electron acceleration driven by a long-wave-infrared laser
The laser pulses that drive most laser wakefield accelerators have wavelengths near 1 micrometer and peak power > 100 terawatts. Here, the authors drive plasma wakes with 10 micrometer, 2-terawatt pulses, yielding relativistic electron beams with a collimated, narrow-energy-bandwidth component.
- R. Zgadzaj
- , J. Welch
- & M. C. Downer
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Article
| Open AccessSynergistic growth of nickel and platinum nanoparticles via exsolution and surface reaction
Utilizing “Chemistry at a point”, Ni is exsolved from a perovskite lattice under deposited Pt nanoparticles. This yields even smaller Ni Pt alloy nanoparticles on a perovskite nanofiber structure, exhibiting high catalytic activity.
- Min Xu
- , Yukwon Jeon
- & John T. S. Irvine
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Article
| Open AccessMechanically controlled multifaceted dynamic transformations in twisted organic crystal waveguides
Crystals with mechanical responses are of interest, but often only one or two dynamic motions can be achieved with one crystal. Here, the authors report a combination of dynamic movements in naturally twisted optical waveguiding microcrystals.
- Mehdi Rohullah
- , Vuppu Vinay Pradeep
- & Rajadurai Chandrasekar
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| Open AccessRapid and scalable photocatalytic C(sp2)–C(sp3) Suzuki−Miyaura cross-coupling of aryl bromides with alkyl boranes
In recent years a growing demand for drug design approaches that incorporate a higher number of sp3-hybridized carbons fuelled the development of innovative cross-coupling strategies to reliably introduce aliphatic fragments. Here, the authors present a powerful approach for the light-mediated B-alkyl Suzuki−Miyaura crosscoupling between alkyl boranes and aryl bromides.
- Ting Wan
- , Luca Capaldo
- & Timothy Noël
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Article
| Open AccessRapid and on-site wireless immunoassay of respiratory virus aerosols via hydrogel-modulated resonators
Infectious respiratory viruses have been an everlasting threaten to public health. Here, authors report a wireless immunoassay technology based on immuno-responsive hydrogel-modulated resonant sensors, which facilitate on-site respiratory virus surveillance.
- Xin Li
- , Rujing Sun
- & Qingjun Liu
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| Open AccessElectrochemical-repaired porous graphene membranes for precise ion-ion separation
The preparation of atom-thick lattices with Å-scale pores is desirable for achieving ion selectivity and high ion flux. Here authors present a cm-scale membrane made of atom-thick graphene film hosting zero-dimensional pores spanning only a few Å, repaired using an in situ electrochemical strategy, yielding high Li+/Mg2+ separation performance.
- Zongyao Zhou
- , Kangning Zhao
- & Kumar Varoon Agrawal
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Article
| Open AccessIdentifying regions of importance in wall-bounded turbulence through explainable deep learning
Understanding the role of coherent structures in the dynamics of turbulent flows is of high relevance for fluid dynamics, climate systems, and aerodynamics. The authors propose a deep learning approach to evaluate the importance of various types of coherent structure in the flow, to uncover main mechanisms of wall-bounded turbulence and develop techniques for its control.
- Andrés Cremades
- , Sergio Hoyas
- & Ricardo Vinuesa
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Article
| Open AccessCoherent electric field control of orbital state of a neutral nitrogen-vacancy center
Color centers in diamond have been proposed as a link between remote superconducting units in hybrid quantum systems, where their orbital degree of freedom is utilized. Here the authors report coherent electric-field control of the orbital state of a neutral NV center in diamond.
- Hodaka Kurokawa
- , Keidai Wakamatsu
- & Hideo Kosaka
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Article
| Open AccessTailoring amorphous boron nitride for high-performance two-dimensional electronics
Here, the authors demonstrate a wafer-scale, low-temperature process using atomic layer deposition, for the synthesis of uniform, conformal amorphous boron nitride (aBN) thin films. They further fabricate aBN-encapsulated monolayer MoS2 field-effect transistors.
- Cindy Y. Chen
- , Zheng Sun
- & Joshua A. Robinson
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Article
| Open AccessIntegrated and DC-powered superconducting microcomb
Here the authors have developed a superconducting microwave frequency comb that is fully integrated, easy to manufacture, and operates with ultra-low power consumption, and could significantly advance microwave photonics and quantum processor integration.
- Chen-Guang Wang
- , Wuyue Xu
- & Peiheng Wu
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Article
| Open AccessSnail-inspired water-enhanced soft sliding suction for climbing robots
By mimicking the strong adhesive locomotion ability of snails, the authors present a sliding suction method to allow robots to climb with high adhesive force and low energy consumption up walls and on ceilings.
- Tianqi Yue
- , Hermes Bloomfield-Gadêlha
- & Jonathan Rossiter
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Article
| Open AccessTuning instability in suspended monolayer 2D materials
Tuning the instabilities of 2D materials can control their wrinkling behavior for interesting physical properties, but still challenging. Here, the authors report a push-to-shear experimental approach to control the wrinkling patterns of monolayer 2D materials and measure their bending stiffness.
- Yuan Hou
- , Jingzhuo Zhou
- & Yang Lu
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Article
| Open AccessUltra-narrowband and rainbow-free mid-infrared thermal emitters enabled by a flat band design in distorted photonic lattices
Narrowband thermal emitters realized with photonic nanostructures usually suffer from the rainbow effect. Here, the authors demonstrate rainbow-free thermal emissions with high temporal coherence through harnessing flatband high-Q resonances.
- Kaili Sun
- , Yangjian Cai
- & Zhanghua Han
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Article
| Open AccessA multifunctional smart field-programmable radio frequency surface
A field-programmable radio frequency surface (FPRFS) is proposed that can implement arbitrary antennas and impedance matching networks. An asymmetric excitation scheme is demonstrated to ensure radiation efficiency independent of the number of FPRFS switches.
- Tianzhi Li
- , Yang Yu
- & Efstratios Skafidas
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Article
| Open AccessOxidative photocatalysis on membranes triggers non-canonical pyroptosis
Oxidative damage to intracellular membrane proteins is critical to cells. Here, the authors use a water-oxidizing photocatalyst, generating ∙OH even under hypoxia, to show that membrane-specific protein oxidation triggers pyroptosis via non-canonical inflammasomes.
- Chaiheon Lee
- , Mingyu Park
- & Tae-Hyuk Kwon
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Article
| Open AccessDynamic microvilli sculpt bristles at nanometric scale
Bristleworms possess dedicated cells that can synthesize highly stereotypical bristles with sub-micrometric precision. Here, Ikeda and colleagues shed light on the underlying dynamics of cellular protrusions, revealing an extension-disassembly cycle that resembles a 3D printer.
- Kyojiro N. Ikeda
- , Ilya Belevich
- & Florian Raible
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Article
| Open AccessA cell-free nutrient-supplemented perfusate allows four-day ex vivo metabolic preservation of human kidneys
As demand for organ transplants exceeds availability there has been an unmet need to extend preservation of deceased donor kidneys. Here, the authors show that a cell-free nutrient-supplemented perfusate allows 4-day preservation of human kidneys using spatially resolved lipidomics and metabolomics.
- Marlon J. A. de Haan
- , Marleen E. Jacobs
- & Ton J. Rabelink
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Comment
| Open AccessThe roll-to-roll revolution to tackle the industrial leap for perovskite solar cells
Roll-to-Roll (R2R) coating is a technology that potentially enhances throughput, reduces costs, and accommodates flexible substrates for fabricating various types of solar cells and modules. Here, authors discuss the R2R revolution to tackle the industrial leap for perovskite photovoltaic devices.
- Ershad Parvazian
- & Trystan Watson
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Article
| Open AccessGiant magneto-photoluminescence at ultralow field in organic microcrystal arrays for on-chip optical magnetometer
The optical detection of magnetic fields is difficult for low field strengths. Here, the authors show how strong magneto-photoluminescence can be achieved in rubrene microcrystals and demonstrate its application in a magnetometer.
- Hong Wang
- , Baipeng Yin
- & Chuang Zhang