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A spectroscopic imaging-scanning tunneling microscope (SI-STM) allows the atomic scale visualization of surface electronic and magnetic structure of novel quantum materials with high energy resolution. To achieve the optimal performance,…

The Scanning Tunneling Microscope (STM) is a powerful instrument to study electronic density of states at surfaces down to atomic scale. Many interesting samples require studying variations as a function of the magnetic field, which is most…

Scanning tunneling microscope (STM) is a powerful tool for studying the structural and electronic properties of materials at the atomic scale. The combination of low temperature and high magnetic field for STM and related spectroscopy…

Materials Science · Physics 2018-11-13 Syu-You Guan , Hsien-Shun Liao , Bo-Jing Juang , Shu-Cheng Chin , Tien-Ming Chuang , Chia-Seng Chang

Time resolution is one of the most severe limitations of scanning probe microscopies (SPMs), since the typical image acquisition times are in the order of several seconds or even few minutes. As a consequence, the characterization of…

We describe the construction and performance of a scanning tunneling microscope (STM) capable of taking maps of the tunneling density of states with sub-atomic spatial resolution at dilution refrigerator temperatures and high (14 T)…

Instrumentation and Detectors · Physics 2013-10-04 Shashank Misra , Brian B. Zhou , Ilya K. Drozdov , Jungpil Seo , Andras Gyenis , Simon C. J. Kingsley , Howard Jones , Ali Yazdani

We describe a compact ultra-high vacuum (UHV) scanning tunneling microscope (STM) system that does not need any external supply of cooling liquids. It achieves temperatures down to 1.5 K and a z-noise down to 300 fmRMS for the frequency…

Spin-polarized scanning tunneling microscopy (SP-STM) experiments on ultrathin films with non-collinear spin textures demonstrate that resonant tunneling allows for atomic-scale spin-sensitive imaging in real space at tip-sample distances…

Applied Physics · Physics 2020-03-30 Anika Schlenhoff , Stepan Kovarik , Stefan Krause , Roland Wiesendanger

We have constructed a scanning tunneling potentiometry system capable of simultaneously mapping the transport-related electrochemical potential of a biased sample along with its surface topography. Combining a novel sample biasing technique…

Other Condensed Matter · Physics 2009-11-13 M. Rozler , M. R. Beasley

Spectroscopic-imaging scanning tunneling microscopy is a powerful technique to study quantum materials, with the ability to provide information about the local electronic structure with subatomic resolution. However, as most spectroscopic…

Applied Physics · Physics 2021-01-14 Irene Battisti , Gijsbert Verdoes , Kees van Oosten , Koen M. Bastiaans , Milan P. Allan

Scanning tunnelling microscopy (STM) is a powerful technique for imaging surfaces with atomic resolution, providing insight into physical and chemical processes at the level of single atoms and molecules. A regular task of STM image…

We present a probe-type scanning tunneling microscope (STM) with atomic resolution that is designed to be directly inserted and work in a harsh vibrational cryogen-free superconducting magnet system. When a commercial variable temperature…

Instrumentation and Detectors · Physics 2018-06-01 Wenjie Meng , Jihao Wang , Yubin Hou , Mengqiao Sui , Junting Wang , Gang Wu , Junyun Li , Qingyou Lu

Lightwave-driven scanning tunnelling microscopy (STM) at near-IR frequencies promises an unprecedented combination of atomic spatial resolution and temporal resolution approaching the attosecond range. To achieve this goal, high-sensitivity…

A Scanning Tunneling Microscope (STM) is one of the most important scanning probe tools available to study and manipulate matter at the nanoscale. In a STM, a tip is scanned on top of a surface with a separation of a few \AA. Often, the…

We present the design, fabrication and discuss the performance of a new combined high-resolution Scanning Tunneling and thermopower Microscope (STM/SThEM). We also describe the development of the electronic control, the user interface, the…

Scanning Tunneling Microscopy (STM) has revolutionized our atomic scale understanding of surfaces and accelerated progress in nanotechnology. This technique, however, is restricted to metal or semiconducting samples, as it requires a tiny…

Instrumentation and Detectors · Physics 2026-04-16 M. J. Rost

The miniaturization of semiconductor devices to the scales where small numbers of dopants can control device properties requires the development of new techniques capable of characterizing their dynamics. Investigating single dopants…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Mohammad Rashidi , Wyatt Vine , Jacob A. J. Burgess , Marco Taucer , Roshan Achal , Jason L. Pitters , Sebastian Loth , Robert A. Wolkow

Atomic resolution imaging is demonstrated using a hybrid scanning tunneling/near-field microwave microscope (microwave-STM). The microwave channels of the microscope correspond to the resonant frequency and quality factor of a coaxial…

Mesoscale and Nanoscale Physics · Physics 2011-08-16 Jonghee Lee , Christian J. Long , Haitao Yang , Xiao-Dong Xiang , Ichiro Takeuchi

Scanning transmission X-ray microscopy (STXM) is a nanoscale imaging technique that can utilize several powerful contrast mechanisms for the quantitative mapping of chemical and physical materials properties. Spatial resolutions down to…

Instrumentation and Detectors · Physics 2026-05-27 Simone Finizio , Benjamin Watts , Benedikt Rösner , Tim A. Butcher , Sebastian Wintz , Markus Weigand , Jörg Raabe

We introduce a novel control mode for Scanning Tunneling Microscopy (STM) that leverages di/dz feedback. By superimposing a high-frequency sinusoidal modulation on the control signal, we extract the amplitude of the resulting tunneling…

Systems and Control · Electrical Eng. & Systems 2024-12-10 Richa Mishra , S. O. Reza Moheimani

We report the achievement of the first atomically resolved scanning tunneling microscope (STM) imaging in a water-cooled magnet (WM), where the extremely harsh vibrations and noises have been the major challenge. This homebuilt WM-STM…

Mesoscale and Nanoscale Physics · Physics 2015-05-15 Wenjie Meng , Ying Guo , Yubin Hou , Qingyou Lu
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