Scanning Tunneling Microscopy Measurements
Graphene formation on metal surfaces investigated by in-situ scanning tunneling microscopy
... In-situ scanning tunneling microscopy measurements, under various growth conditions and at temperatures up to 1100 K, were carried out, revealing the processes of graphene formation at the ...
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Imaging Anyons with Scanning Tunneling Microscopy
... However, direct experimental evidence of anyons and tests that can distinguish between Abelian and non- Abelian quantum ground states with such excitations have remained elusive. Here, we propose a new experimental ...
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Scanning tunneling microscopy in the superconductor LaSb2
... the tunneling conductance curves measured here present strong ...other measurements, T c = ...STM tunneling conductance are more robust than in macroscopic resistance and susceptibility ...
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Simultaneous scanning tunneling microscopy and synchrotron X-ray measurements in a gas environment
... Figure 5: a) High-speed separation scheme for the topgraphic tunneling current and the X-ray-induced current. b) Electronic circuit for the topo/photo separator, generating the input for the STM control system ...
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Scanning-tunneling microscopy/spectroscopy and break-junction tunneling spectroscopy of FeSe₁–xTex
... STM measurements, we confirmed the sur- face electronic cleanliness by measuring the dependence of tunneling current I on the tip-sample distance z, ...STM measurements, the sample bias voltage V = ± ...
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Spin-polarized scanning tunneling microscopy with quantitative insights into magnetic probes
... dV in spin-STM corresponds to a P configuration, while a low signal corresponds to an AP configuration [47– 49]. However, the results presented in Fig. 4 show that only in connection with a field sweep, a reliable deduc- ...
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Field dependence of the vortex core size probed by scanning tunneling microscopy
... Superconducting parameters of the compounds are given in Table I, and their zero-field tunneling conductance curves are shown in Fig. 1. Note that the critical temperatures of the three compounds are similar, ...
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Sensing Dipole Fields at Atomic Steps with Combined Scanning Tunneling and Force Microscopy
... height measurements and 2 times larger than the ...work-function measurements on stepped ...the measurements, the discrepancy could be related to the very different methods used, tunneling ...
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Investigating Structure Property Relationships in Electroactive Molecules via Scanning Tunneling Microscopy
... I-V measurements over a Hg/- SC 16 /C 16 S-/Au junction a comparison of Hg/-SC 12 /C 12 S-/Au to Hg/-SC 12 /FcC 11 S- /Au was ...with tunneling through a molecule with a smaller tunneling ...resonant ...
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Scanning Tunneling Microscopy and Spectroscopy of Metal-Organic Interfaces for Electronics and Spintronic Applications.
... attempted to create a spin valve with Fe and Co electrodes found absolutely no magneto- resistance through thick films of Alq3 7 . Theoretically, there is no consensus on the explanation of GMR effects in Alq3 spin ...
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Scanning Tunneling Microscopy Studies of Topological Insulators Grown by Molecular Beam Epitaxy
... < 0.22）alloy, the surface states of the Bi 2 Se 3 family a For correspondence, contact: [email protected] contain only a single Dirac cone, making it easier to be studied. Also, these materials are stoichiometric ...
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Investigations of photoswitchable platform molecules on Au(111) surfaces by scanning tunneling microscopy
... XPS. The XPS and NEXAFS measurements were performed at the BESSY II synchrotron radiation facility using the PREVAC endstation at the beam- line HE-SGM. The experimental station is equipped with a hemispherical VG ...
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Scanning Tunneling Microscopy Studies of Superconducting Single Layer Iron Selenide on Strontium Titanate
... junction measurements 18,19 , which have revealed d-wave pairing in YBa 2 Cu 3 O 7-δ ...interference measurements using STM can provide phase sensitive information, however, if the atomic impurities are ...
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Scanning tunneling microscopy on low dimensional systems: dinickel molecular complexes and iron nanostructures
... 5 Dinickel molecular complexes on Au(111) 69 the selective contact of the 2ClO 4 solution with only the gold crystal, avoiding possible contaminations from the sample holder made of tungsten. The liquid dichloromethane ...
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Scanning tunneling optical resonance microscopy applied to indium arsenide quantum dot structures
... STORM measurements on different samples, once the illumination photons reach sufficient energy, a continuous absorption occurs as would be expected for the ...photo-enhanced tunneling current increased ...
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Covalent Molecular Architectures and Dithienylethene Switches on Metal Surfaces: a Scanning Tunneling Microscopy Study
... The goal of ch. 2 is the electronic characterization of long molecular chains that might serve as wires. To that end, the realization of a novel configuration is attempted, in which the molecule is partly decoupled from ...
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A stiff scanning tunneling microscopy head for measurement at low temperatures and in high magnetic fields
... Figure 3 shows an in situ measurement of the response of the STM head to vibrational excitation via one of the piezo stacks. The measurements were performed on the fully as- sembled STM head (as shown in Fig. ...
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Poor electronic screening in lightly doped Mott insulators observed with scanning tunneling microscopy
... and that, at doping concentrations of x 4%, it causes the measured energy gap in the sample density of states to be bigger than the one measured with other techniques. We develop a model able to retrieve the intrinsic ...
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Combined scanning tunneling microscopy (STM) & surface stress measurements (SSM) of chemical reactions on semiconductor surfaces : oxidation of the Si(111) (7x7)surface
... The solid black line represents the change in surface stress calculated using the kinetic stress model described in the text, (b) Change in capacitance measured between the sample and [r] ...
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INTRODUCTION TO SCANNING TUNNELING MICROSCOPY
... 14.1 Electronics for scanning tunneling spectroscopy 331 14.2 Nature of the observed tunneling spectra 332 14.3 Tip treatment for spectroscopy studies 334.[r] ...
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