Articles tagged with Scanning Tunneling Microscopy
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.
Researchers at Kiel University have successfully switched the magnetism of individual molecules using electrons, paving the way for molecular data storage. The study, published in Angewandte Chemie, demonstrates the technical feasibility of storing information in a single molecule.
Researchers from IBM and CFEL built a nanometre data storage unit with 96 atoms, storing a byte in as few as 8 pairs of atom rows. The device uses antiferromagnetism to pack bits closer together, enabling higher storage density.
Researchers Patricia Thiel and James Evans have discovered a general principle behind additive-enhanced coarsening, a process that transforms smaller objects into larger ones. This breakthrough could lead to the development of more durable nanoscale technologies and structures.
Researchers at Juelich have developed a method to study the inner structure of molecules using a scanning tunneling microscope, revealing detailed information on atomic irregularities and charge distribution. The technique uses a small molecule with deuterium atoms to enhance sensitivity for organic molecules.
Scientists from Jülich and Göttingen have successfully visualized bulk Fermi surfaces using scanning tunnelling microscopes. This breakthrough enables direct insight into the properties of metals.
A physicist has developed a novel technique to speed up scanning tunneling microscopy, enabling it to image individual atoms on a surface at least 100 times faster. The new method uses radio frequency waves to detect changes in distance between the probe and sample surface, reducing measurement times by several orders of magnitude.
Researchers access interaction between single magnetic adatoms on a metal surface by comparing experimental results with detailed theoretical analysis. They observe novel magnetic state for chain of three cobalt adatoms and improve understanding of fundamental interactions between single spins.
UCR researchers Ludwig Bartels and team advance nanoscale electronics development by controlling chemical reactions one molecule at a time. They use an STM to guide individual molecules through step-by-step reactions, enabling fine-tuning of reactivity and optimizing atomic-scale construction of complex molecules.
Carbon nanotubes' electronic and mechanical properties are highly dependent on the presence of defects, which alter their vibrational modes and affect electrical conductivity and heat transport. The study demonstrates the importance of understanding these effects for optimizing nanoscale devices.
Guohua Yang and Gang-yu Liu used scanning tunneling microscopy to study the behavior of thiols on gold surfaces, revealing up to 15 different structural phases. These findings shed light on the interaction between thiol molecules and the gold surface, potentially enabling the creation of patterns with other molecules.
Physicists have developed a technique to measure magnetism at the atomic scale using a scanning tunneling microscope, enabling potential applications in futuristic electronic and magnetic devices. This breakthrough could lead to advancements in spintronics, quantum computing, and more powerful hard drives.
The new microscope employs a scanning metal tip and infrared wave absorption to identify chemical composition on a nanoscale. The technique has potential for high-resolution imaging with 100 nm or better resolution, expanding its applications in electronics, materials, and biology.
Researchers at Cornell University have developed an array of microscopic scanning tunneling microscopes (STMs) to speed up data storage. By depositing small bumps on a surface, the array can store up to 12 terabytes of data in a square centimeter, exceeding modern computer hard disk storage capabilities.