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We present the design and performance of a cryogenic scanning tunneling microscope (STM) which operates inside a water-cooled Bitter magnet, which can attain a magnetic field of up to 38 T. Due to the high vibration environment generated by…

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…

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

We present the construction and performance of an ultra-low temperature scanning tunneling microscope (STM), working in ultra-high vacuum conditions (UHV) and in high magnetic fields up to 9 T. The cryogenic environment of the STM is…

Strongly Correlated Electrons · Physics 2018-06-12 C. Salazar , D. Baumann , T. Hänke , M. Scheffler , T. Kühne , M. Kaiser , R. Voigtländer , D. Lindackers , B. Büchner , C. Hess

We report the construction and performance of a low temperature, high field scanning tunneling microscope (STM) operating down to 350mK and in magnetic fields up to 9T, with thin film deposition and in-situ cleaving capabilities. The main…

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…

Multi-tip scanning tunneling microscopy (STM) is a powerful method to perform charge transport measurements at the nanoscale. With four STM tips positioned on the surface of a sample, four-point resistance measurements can be performed in…

Mesoscale and Nanoscale Physics · Physics 2022-01-28 A. Leis , V. Cherepanov , B. Voigtländer , F. S. Tautz

We describe the design, construction, and performance of an ultra-low temperature, high-field scanning tunneling microscope (STM) with two independent tips. The STM is mounted on a dilution refrigerator and operates at a base temperature of…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 A. Roychowdhury , M. A. Gubrud , R. Dana , J. R. Anderson , C. J. Lobb , F. C. Wellstood , M. Dreyer

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

To meet changing research demands, new scanning tunneling microscope (STM) features must constantly evolve. We describe the design, development, and performance of a modular plugin STM which is compact and stable. The STM head is equipped…

Mesoscale and Nanoscale Physics · Physics 2024-03-05 Angela M. Coe , Guohong Li , Eva Y. Andrei

We describe the design and performance of a scanning tunneling microscope (STM) which operates at a base temperature of 30 mK in a vector magnetic field. The cryogenics is based on an ultra-high vacuum (UHV) top-loading wet dilution…

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…

We have designed and built a scanning tunneling microscope (STM) setup for operation at millikelvin temperatures in ultra high vacuum. A compact cryostat with an integrated dilution refrigerator has been built, that allows measurements at a…

Instrumentation and Detectors · Physics 2018-12-05 Timofey Balashov , Michael Meyer , Wulf Wulfhekel

We present the design and operation of a very-low temperature Scanning Tunneling Microscope (STM) working at $60 mK$ in a dilution refrigerator. The STM features both atomic resolution and micron-sized scanning range at low temperature.…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 N. Moussy , H. Courtois , B. Pannetier

A low-temperature ultra-high vacuum scanning probe microscopy (SPM) system with molecular beam epitaxy capability and optical access was conceived, built, and tested in our lab. The design of the whole system is discussed here, with special…

Instrumentation and Detectors · Physics 2021-03-09 Ze-Bin Wu , Zhao-Yan Gao , Xi-Ya Chen , Yu-Qing Xing , Huan Yang , Geng Li , Ruisong Ma , Aiwei Wang , Jiahao Yan , Chengmin Shen , Shixuan Du , Qing Huan , Hong-Jun Gao

We introduce a statistical correlation analysis method to obtain information on the local geometry and orientation of the tip used in scanning tunneling microscopy (STM) experiments based on large scale simulations. The key quantity is the…

Materials Science · Physics 2015-03-17 Gábor Mándi , Gilberto Teobaldi , Krisztián Palotás

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…

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

Scanning Tunneling Microscopy (STM) is a powerful technique that utilizes quantum tunneling to visualize atomic surfaces with high precision. This study presents detailed topographic maps and evaluates the local density of states (LDOS) for…

Mesoscale and Nanoscale Physics · Physics 2024-02-19 Dhananjay Saikumar

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
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