Articles tagged with Scanning Tunneling Microscopy
A team of researchers used low-temperature STM to investigate image potential states on Bi(111), a material with higher-order topological character. They observed a strikingly unexpected splitting feature, which they propose is related to a monopole-like topological magnetoelectric response.
Researchers at the Institute for Basic Science have developed a new strategy for electrically controlling molecular quantum systems, enabling precise control of individual molecular spins. This breakthrough offers a practical approach to building future molecular quantum technologies.
Scientists have created a way to hear a single molecule 'sing' using infrared-integrated STM. This technique combines infrared excitation with scanning tunneling microscopy, allowing for the detection of individual molecular vibrations.
Researchers overcome spatial resolution limit of sum-frequency generation (SFG) spectroscopy by utilizing plasmonic near-field confinement. This breakthrough enables direct visualization of nanoscale orientation heterogeneity in interfacial molecular domains.
Researchers have developed a new approach to overcome limitations in single-atom catalysts by creating one-dimensional organic polymers capable of selectively binding metal atoms. The platform marks a major advance in single atom catalysis, enabling stronger gas binding compared to other structures.
Researchers from Delft University of Technology have successfully measured the nuclear spin of an on-surface atom in real time, achieving 'single-shot readout'. This breakthrough enables control over the magnetic nucleus and opens up possibilities for quantum sensing at the atomic scale.
Scientists have developed a new method for scanning tunnelling microscopy that enables the investigation of buried interfaces and atomic-scale structures. The technique allows for high-spatial resolution analysis of both surface and subsurface layers, revealing local magnetic properties and stacking sequences.
Researchers at Rice University have developed a new method to fabricate ultrapure diamond films for quantum and electronic applications. By growing an extra layer of diamond on top of the substrate after ion implantation, they can bypass high-temperature annealing and generate higher-purity films.
Recent study on 2M-WS2 reveals coexistence of striped surface charge order with superconductivity, modifying spatial distribution of Majorana bound states. Experimental results demonstrate that surface charge order does not destroy bulk topology but can modify MBS positions.
Scientists have successfully imaged the dynamic assembly of bilayer covalent organic frameworks in solution, providing new insights into controlled stacking and moiré superlattice formation. The breakthrough enables the creation of large-area two-layer 2D COFs with unique electronic properties.
Researchers at TU Graz are developing a self-learning AI system to position individual molecules quickly and autonomously, enabling the construction of highly complex molecular structures. The goal is to build logic circuits in the nanometre range using quantum corrals made from complex-shaped molecules.
Scientists at Lund University and Hokkaido University have successfully synthesized 2D gold monolayers with remarkable thermal stability and potential catalytic utility. The team used a novel bottom-up approach combined with high-performance computations to create macroscopically large gold monolayers with unique nanostructured patterns.
Researchers achieved control over competing reaction outcomes by selectively manipulating charge states and specific resonances through targeted energy injection. This breakthrough has profound implications for pharmaceutical research, potentially improving efficiency and sustainability.
Researchers from Delft University of Technology initiated a controlled movement in an atom's nucleus, interacting with an electron and reading it out using a scanning tunneling microscope. This interaction enables the storage of quantum information inside the nucleus, protected from external disturbances.
Physicists at Michigan State University have developed a new approach that combines high-resolution microscopy with ultrafast lasers to detect misfit atoms in semiconductors. The technique enables researchers to spot defects with unparalleled precision, which is critical for the performance of modern electronics.
Researchers visualize chiral interface state at atomic scale for the first time, allowing on-demand creation of conducting channels. The technique has promise for building tunable networks of electron channels and advancing quantum computing.
A team of scientists developed a technique to modify individual molecule units in a controlled manner, achieving structural isomerization and synthesizing reactive diradicals. This breakthrough enables the creation of novel carbon nanostructures with designer molecular units.
Physicists have directly observed the Kondo effect in a single artificial atom using a scanning tunnelling microscope. The team confirmed a decades-old prediction by validating their experimental data against theoretical models. This breakthrough paves the way for investigating exotic phenomena in magnetic wires.
Researchers at IBS Center for Quantum Nanoscience created a novel electron-spin qubit platform assembled atom-by-atom on a surface, demonstrating ability to control multiple qubits. This breakthrough enables application of single-, two-, and three-qubit gates.
A team of researchers from Boston College has observed electronic nematic order as a stand-alone phase in a titanium-based Kagome metal. The study revealed the presence of electronic unidirectionality without charge density waves, which challenges current understanding of this phenomenon.
A Princeton University-led team has captured the precise microscopic behavior of interacting electrons that give rise to insulating quantum phase in magic-angle twisted bilayer graphene. The study uses scanning tunneling microscopy and achieves pristine samples, allowing for high-resolution images of materials.
Researchers used a terahertz scanning near-field optical microscope to visualize the interface and connectivity of a nano Josephson Junction. The tool revealed a defective boundary in the junction that causes disruption in conductivity, posing a challenge for producing long coherence times needed for quantum computation.
Scientists have observed the direct visualization of a zero-field pair density wave in an iron-based superconductor, EuRbFe4As4, without a magnetic field. This discovery paves the way for further research into room-temperature superconductivity and its potential applications.
Researchers use spectroscopic imaging scanning tunneling microscope to map atomic positions and measure electric charge, revealing link between electron density and atomic arrangements. The discovery sheds light on the emergence of a 'charge density wave' that distorts lattice vibrations and locks atoms in place.
A research team at NIMS successfully synthesized a two-dimensional silicon-integrated covalent organic framework film on a metal surface. The technique may be applied to develop new materials in a bottom-up manner, with potential applications in battery materials and catalysts.
Researchers discover individual gold atoms can target specific C-H bonds in organic molecules, enabling a low-energy reaction at room temperature. This breakthrough addresses two significant challenges and paves the way for the synthesis of novel organic and metal-organic nanomaterials.
A team of physicists and chemists has successfully formed a charged rare earth molecule on a metal surface and rotated it using scanning tunneling microscopy. The researchers achieved 100% directional control over the rotation of the complexes, opening new possibilities for research in quantum computing and consumer electronics.
Researchers at University of Göttingen develop a new method to convert CO2 into chemical substances by confining molecules in nano-sized environments. The team demonstrates the ability to break individual chemical bonds and restore them in single molecules under controlled conditions.
Scientists from the University of Tsukuba created a scanning tunneling microscopy system that captures images as fast as 30 femtoseconds, allowing for faster study of rapid processes in materials. This advancement enables researchers to understand ultrafast dynamics and behavior of materials more accurately.
Scientists have developed a method to control chemical reactions in a single molecule by applying voltage pulses, resulting in unprecedented selectivity. By fine-tuning the voltage, researchers can interconvert different products formed during the reaction.
Researchers at Forschungszentrum Jülich have discovered how the topological properties of multilayer WTe2 systems can be changed by studying them under a scanning tunneling microscope. The study found that twisting the layers creates a moiré lattice that modulates electrical conductivity.
Physicists at UCI have developed a technique to measure electrostatic properties of materials with unprecedented resolution. By using a hydrogen molecule as a quantum sensor, researchers can detect changes in its quantum states and create atomic-scale images of samples.
Researchers at Swiss Federal Laboratories for Materials Science and Technology have discovered a new chemical synthesis method that forms stable benzene rings on a gold surface. This method, called the 'dry' method, avoids toxic byproducts and allows for the observation of molecular reactions in real-time.
Researchers visualize ethylene polymerization on ordered iron carbide surface using in situ technology, revealing molecular insertion mechanism and chain initiation process. The study clarifies the scientific debate regarding chain initiation over Phillips catalysts and provides a method for controlling product chain length distribution.
Researchers create large molecular rings that self-assemble into a sheet-like structure on surfaces, allowing for adjustable mesh size and attachment of bulky molecules. This technology has the potential to enable novel catalysts and measure nanomechanical properties of proteins.
A team of Boston College researchers has discovered a dramatic re-arrangement of magnetic domains with thermal cycling in a Mott insulator. They used spin-polarized scanning tunneling microscopy to map the local strength of antiferromagnetic ordering on nanometer length scales.
Researchers successfully manipulated a single molecule into an upright position and measured its stability, gaining insights towards fabricating electrical components and circuits at the atomic level. The findings have potential applications in creating ultrasensitive sensors, quantum dots, and quantum computers.
Researchers have successfully imaged the spin of an individual molecule using electron spin resonance in a scanning tunneling microscope. This achievement allows for precise control of spin states and investigation of magnetic interactions between molecules.
Researchers at Berkeley Lab and UC Berkeley capture the first direct image of quantum spin liquid particles, called spinons and chargons. The discovery advances research on quantum computing and exotic superconductivity.
Researchers at Nara Institute of Science and Technology have developed a means to visualize snapshots of ultrasmall gear trains in action. They created molecular cogwheels with tailored electronic properties using scanning tunneling microscopy images.
Researchers at the University of Tsukuba have developed a technique to visualize ultrafast electron motion with sub-nanoscale spatial resolution, enabling the study of semiconductor device operation and potential defect control. This breakthrough may lead to more efficient electronic devices.
Scientists from Jülich researchers found an alternative cause for the dip in energy spectrum attributed to the Kondo effect. They propose new experiments based on their predictions, suggesting that much of what was thought about the Kondo effect needs re-examination.
Scientists have developed an artificial intelligence system that autonomously learns how to grip and move individual molecules, overcoming the complexity of nanoscale manipulation. The system uses reinforcement learning to find optimal movement patterns, enabling targeted assembly and separation of molecules.
Scientists have developed a new method to image surface structures in combination with their magnetic properties at the atomic level. By using a scanning tunneling microscope with a nickel-containing molecule as an active sensor, they were able to detect magnetic moments with unprecedented spatial resolution.
A research team at the Fritz-Haber Institute in Berlin demonstrated manipulation of nanolight spectrum by shaping plasmonic gold tips with a focused ion beam milling technique. The spectral response was investigated using scanning tunneling luminescence, revealing precise control over Fabry-Pérot type interference of surface plasmon po...
Scientists have found that local fluctuations on a solid-state catalyst's surface create opportunities for reactant molecules to diffuse and undergo desired reactions. The findings, published in Science, reveal that even with densely packed adsorbed particles, molecular mobility is possible due to periodic changes in particle density.
Researchers from Empa successfully synthesized chain-shaped molecules between two microscopically small gold tips. The properties of the resulting molecule can be monitored in real time during synthesis, enabling the creation of electrically conductive molecules with atomic precision.
Researchers from Japan have developed a way to better measure and manipulate conductive materials through scanning tunneling microscopy. The team designed a custom terahertz pulse cycle that quickly oscillates between near and far fields within the desired electrical current.
A research team led by the University of Tsukuba has successfully imaged single Li+@C60 molecules using scanning tunneling microscopy. The study provides valuable insights into the electronic properties of lithium-doped fullerenes, which can be used to optimize their performance in optoelectronic and switching devices.
Researchers developed a new type of quantum dot allowing for highly tunable energy levels of confined electrons, enabling potential applications in valleytronics. The discovery uses a combination of graphene and hexagonal boron nitride materials.
A UT Dallas team has addressed a long-standing problem in scanning tunneling microscopes, preventing tip crashes that can damage samples and forfeit valuable time. The breakthrough enables atomically precise manufacturing, leading to innovations in materials science, medicine, and computing.
Chemists at Ruhr-Universität Bochum tracked individual water molecules attaching to an organic molecule, exploring hydrophilicity and hydrophobicity. The study uses low-temperature scanning tunneling microscopy, providing insights into solvation processes.
Researchers successfully demonstrated a reliable and reproducible single molecule switch, enabling electric current to flow between electrodes through the molecule or not. The breakthrough could lead to advancements in molecular electronics.
Researchers have captured images of terahertz electron dynamics of a semiconductor surface on the atomic scale, unlocking a new window into the nanoworld. The breakthrough allows for ultrafast observation of atomic processes with unprecedented precision.
At temperatures near absolute zero, electrons exhibit their quantum nature and form a granular medium, consisting of individual particles that trickle through a conductor. This phenomenon can be explained by quantum electrodynamics.
Scientists can now track and see individual phosphorus atoms in a silicon crystal, confirming quantum computing capability. This discovery has potential use in nano detection devices and is a world-first in atomic-resolution imaging.
Roland Wiesendanger receives the award for his pioneering work on spin-polarized scanning tunneling microscopy, allowing the study of magnetism at the atomic level. Xiang Zhang is recognized for his discoveries in optical metamaterials and nanophotonics, including the far-field optical super lens.
A team of scientists from Seoul National University and the Center for Correlated Electron Systems has made the first-ever observation of Cooper-pair density waves at an atomic level. The detection was achieved using Scanning Josephson Tunneling Microscopy, allowing researchers to directly measure Cooper-pairs in atomic resolution.
Scientists from Forschungszentrum Jülich and the Academy of Sciences of the Czech Republic used computer simulations to gain deeper insights into scanning tunneling microscopy. The results show excellent agreement between experimental results and simulations, enabling the analysis of images with unprecedented accuracy.
University of Oregon chemists use special microscope to visualize traps that disrupt energy flow in carbon nanotubes. The study provides a detailed view of internal structures of electronic waves trapped by external electrostatic charges.