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We present Scanning Tunneling Spectroscopy measurements at 0.1 K using tips made of Al. At zero field, the atomic lattice and charge density wave of 2HNbSe2 are observed, and under magnetic fields the peculiar electronic surface properties…

Superconductivity · Physics 2008-05-30 I. Guillamon , H. Suderow , S. Vieira , P. Rodiere

We describe a fully ultra-high vacuum compatible scanning tunneling microscope (STM) optimized for radio-frequency signals. It includes in-situ exchangeable tips adapted to high frequency cabling and a standard sample holder, which offer…

Mesoscale and Nanoscale Physics · Physics 2013-02-27 Christian Saunus , Jan Raphael Bindel , Marco Pratzer , Markus Morgenstern

A series of measurements using a technique called electrostatic-manipulation scanning tunneling microscopy (EM-STM) were performed on a highly-oriented pyrolytic graphite surface. The electrostatic interaction between the STM tip and the…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 P. Xu , Y. Yang , D. Qi , S. D. Barber , J. K. Schoelz , M. L. Ackerman , L. Bellaiche , P. M. Thibado

In this study, we describe a new experimental approach based on constant-current scanning tunneling spectroscopy to controllably and reversibly pull freestanding graphene membranes up to 35 nm from their equilibrium height. In addition, we…

Mesoscale and Nanoscale Physics · Physics 2015-02-09 P. Xu , Y. Yang , S. D. Barber , M. L. Ackerman , J. K. Schoelz , D. Qi , I. A. Kornev , L. Dong , L. Bellaiche , S. Barraza-Lopez , P. M. Thibado

Leveraging scanning tunneling microscopy (STM) for atomic-scale fabrication has led to many advancements such as the creation of atomic electron-spin qubit structures on surfaces. However, the time-consuming and tedious nature of this…

Mesoscale and Nanoscale Physics · Physics 2024-10-18 Angéline Lafleur , Soo-hyon Phark

Recent scanning tunneling spectroscopy (STM) experiments display images with star and ellipsoidal like features resulting from unique geometrical arrangements of a few adsorbed hydrogen atoms on graphite. Based on first-principles STM…

A scanning tunneling microscope (STM) with a magnetic tip that has a sufficiently strong spin-polarization can be used to map the sample's spin structure down to the atomic scale but usually lacks the possibility to absolutely determine the…

Superconductivity · Physics 2021-04-26 Lucas Schneider , Philip Beck , Jens Wiebe , Roland Wiesendanger

We propose a new method for atomic-scale imaging of spatial current patterns in nanoscopic quantum networks by using scanning tunneling microscopy (STM). By measuring the current flowing from the STM tip into one of the leads attached to…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Tankut Can , Dirk K. Morr

Structured metallic tips are increasingly important for optical spectroscopies such as tip-enhanced Raman spectroscopy (TERS), with plasmonic resonances frequently cited as a mechanism for electric field enhancement. We probe the local…

Achieving a high intensity in inelastic scanning tunneling spectroscopy (IETS) is important for precise measurements. The intensity of the IETS signal can vary up to a factor three for various tips without an apparent reason accessible by…

Mesoscale and Nanoscale Physics · Physics 2016-04-15 Norio Okabayashi , Alexander Gustafsson , Angelo Peronio , Magnus Paulsson , Toyoko Arai , Franz J. Giessibl

A carbon nanotube (CNT) tip was fabricated at the apex of an etched tungsten wire by chemical vapor deposition and used for scanning tunneling microscopy. The honeycomb lattice of graphite in the STM images was resolved with a CNT tip at…

Mesoscale and Nanoscale Physics · Physics 2013-03-05 Jeehoon Kim , Junwei Huang , Alex de Lozanne

We report the fabrication and the characterization of carbon fibre tips for their use in combined scanning tunnelling and force microscopy based on piezoelectric quartz tuning fork force sensors. We find that the use of carbon fibre tips…

Mesoscale and Nanoscale Physics · Physics 2010-03-15 Andres Castellanos-Gomez , Nicolas Agraït , Gabino Rubio-Bollinger

Electron tomography is a widely used technique for 3D structural analysis of nanomaterials, but it can cause damage to samples due to high electron doses and long exposure times. To minimize such damage, researchers often reduce beam…

Image and Video Processing · Electrical Eng. & Systems 2023-04-05 Timothy M. Craig , Ajinkya A Kadu , Kees Joost Batenburg , Sara Bals

Scanning tunnelling microscopy (STM) with a functionalized tip apex reveals the geometric and electronic structure of a sample within the same experiment. However, the complex nature of the signal makes images difficult to interpret and has…

Materials Science · Physics 2023-12-18 Lauri Kurki , Niko Oinonen , Adam S. Foster

Scanning transmission electron microscopy is a common tool used to study the atomic structure of materials. It is an inherently multimodal tool allowing for the simultaneous acquisition of multiple information channels. Despite its…

Scanning tunneling luminescence microscopy (STLM) along with scanning tunneling spectroscopy (STS) is applied to a step-bunched, oxidized 4H-SiC surface prepared on the silicon face of a commercial, n-type SiC wafer using a silicon melt…

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

We investigate atomistic details of a single atom extraction process realized by using scanning tunneling microscope (STM) tip-cluster interaction on a Ag(111) surface at 6 K. Single atoms are extracted from a silver cluster one atom at a…

Materials Science · Physics 2015-06-25 A. Deshpande , H. Yildirim , A. Kara , D. P. Acharya , J. Vaughn , T. S. Rahman , S. -W. Hla

A series of measurements using a novel technique called electrostatic-manipulation scanning tunneling microscopy were performed on a highly-oriented pyrolytic graphite (HOPG) surface. The electrostatic interaction between the STM tip and…

Mesoscale and Nanoscale Physics · Physics 2015-01-30 P. Xu , Y. Yang , S. D. Barber , J. K. Schoelz , D. Qi , M. L. Ackerman , L. Bellaiche , P. M. Thibado