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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 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 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 the design, construction, and performance of an ultra-high vacuum (UHV) scanning tunneling microscope (STM) capable of imaging at dilution-refrigerator temperatures and equipped with a vector magnet. The primary objective of our…

Instrumentation and Detectors · Physics 2020-02-07 Dillon Wong , Sangjun Jeon , Kevin P. Nuckolls , Myungchul Oh , Simon C. J. Kingsley , Ali Yazdani

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 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

We present the design and performance of an ultra-high vacuum (UHV) scanning tunneling microscope (STM) that uses adiabatic demagnetization of electron magnetic moments for controlling its operating temperature in the range between 30 mK…

Instrumentation and Detectors · Physics 2024-01-30 Taner Esat , Peter Borgens , Xiaosheng Yang , Peter Coenen , Vasily Cherepanov , Andrea Raccanelli , F. Stefan Tautz , Ruslan Temirov

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

One of the daunting challenges in modern low temperature scanning tunneling microscopy (STM) is the difficulty of combining atomic resolution with cryogen free cooling. Further functionality needs, such as ultra-high vacuum (UHV), high…

Mesoscale and Nanoscale Physics · Physics 2024-04-09 Angela M. Coe , Guohong Li , Eva Y. Andrei

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…

We describe the development and performance of an ultra-high vacuum scanning tunneling microscope working under combined extreme conditions of ultra-low temperatures and high magnetic fields. We combined a top-loading dilution refrigerator…

Instrumentation and Detectors · Physics 2018-10-17 T. Machida , Y. Kohsaka , T. Hanaguri

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 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…

We have developed low temperature part of an ultra high vacuum scanning probe microscope (UHV-SPM) working at variable temperature within the range from 20 K to 700 K. To achieve the required temperature range, a flow cooling system using…

Instrumentation and Detectors · Physics 2016-10-04 Jiri Frolec , Jakub Vonka , Pavel Hanzelka , Tomas Kralik , Vera Musilova , Pavel Urban

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

We employ a scanning tunnelling microscope (STM) cooled to millikelvin temperatures by an adiabatic demagnetization refrigerator (ADR) to perform scanning tunnelling spectroscopy (STS) on an atomically clean surface of Al(100) in a…

Mesoscale and Nanoscale Physics · Physics 2023-07-11 Taner Esat , Xiaosheng Yang , Farhad Mustafayev , Helmut Soltner , F. Stefan Tautz , Ruslan Temirov

Ultra-low temperature scanning tunnelling microscopy and spectroscopy (STM/STS) achieved by dilution refrigeration can provide unrivalled insight into the local electronic structure of quantum materials and atomic-scale quantum systems.…

Recent advances in increasing the spectroscopic energy resolution in scanning tunneling microscopy (STM) have been achieved by integrating electron spin resonance (ESR) with STM. Here, we demonstrate the design and performance of a…

We have built a variable temperature scanning probe microscope (SPM) that covers 4.6 K - 180 K and up to 7 Tesla whose SPM head fits in a 52 mm bore magnet. It features a temperature-controlled sample stage thermally well isolated from the…

Instrumentation and Detectors · Physics 2017-11-22 Jin-Oh Jung , Seokhwan Choi , Yeonghoon Lee , Jinwoo Kim , Donghyun Son , Jhinhwan Lee
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