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Phys. Rev. B 84, 174428 (2011) - Simulation of spin-polarized.
Noise spectroscopy of a single spin with spin-polarized STM.
Spin-Polarized STM Overview and Issues for Next Developments.
Physical Review Letters.
Phys. Rev. Research 2, 023197 (2020) - Physical Review Journals.
Spin-polarized STM Study of the Antiferromagnetic Mn_3N 2 (010) Surface.
Noise spectroscopy of a single spin with spin polarized STM.
Cyclophane with eclipsed pyrene units enables construction of spin.
PDF Atomic-Scale Spin-Polarized Scanning Tunneling Microscopy and Atomic.
PDF Theory of spin-polarized STM a short introduction - UPV/EHU.
02_Spin Polarized STM (SP-STM)_ODewey - YouTube.
Spin-polarized scanning tunneling microscopy of the room-temperature.
Experimental identification of two distinct skyrmion collapse.

Phys. Rev. B 84, 174428 (2011) - Simulation of spin-polarized.

We demonstrate a new method for the detection of the spin-chemical potential in topological insulators using spin-polarized four-probe scanning tunneling microscopy on in situ cleaved Bi 2 Te 2 Se surfaces. Two-dimensional (2D) surface and 3D bulk conductions are separated quantitatively via variable probe-spacing measurements, enabling the isolation of the nonvanishing spin-dependent. Spin-polarized STM. STM and non-contact AFM measurements are carried out using a Createc LT-STM/AFM system, which was primarily funded by FY2014 ARO-DURIP award (Award #W911NF-14-1-0457). The instrument is being managed jointly by Prof. Kawakami and Prof. Gupta. The instrument is customized for spin-polarized STM measurements, with operation at.

Noise spectroscopy of a single spin with spin-polarized STM.

. These predictions are based on {ital ab} {ital initio}, spin-polarized, electronic-structure calculations within the framework of the local-spin-density approximation.... Scanning tunneling. The spin-polarized scanning tunneling microscope (SP-STM) has served as a versatile tool for probing and manipulating the spintronic properties of atomic and molecular devices with high precision. The interplay between the local spin state and its surrounding magnetic environment significantly affects the transport behavior of the device. Particularly, in the contact regime, the strong.

Spin-Polarized STM Overview and Issues for Next Developments.

Spin excitation spectra, dI/dV versus V, of Mn atoms recorded at 7 T magnetic field with (a) a normal metal spin-averaging STM tip, (b) a spin-polarized STM tip produced in the manner shown in figure 3 and (c) a spin-polarized tip that showed inverse spin polarization after attaching multiple atoms to the tip apex. The features of our targeting STM are as follows. 1. Tip characteristics are well defined, especially elec- tron spin-polarization of the tips. 2. The tips are non-magnetic so that a magnetic field from the tips cannot affect the spin configuration of the samples. 3. One is able to separate the spin polarization image from the topographic image. 4. Contributions of Scanning Probe Microscopy and Spectroscopy to the Investigation of Microstructures and Their Physical Properties. R. Wiesendanger, Solid State Phenomena 35-36 281-286 (1993) abstract (HTML) full text (PDF) Magnetic imaging of surfaces on the atomic scale by spin‐polarized scanning tunneling microscopy.

Physical Review Letters.

The dream of graphene modified to have a spin-polarized semiconducting band structure has remained elusive for over a decade. This study uses spin-polarized scanning tunneling microscopy to reveal that the strong interaction between graphene and Ni(111) substrate generates a large gap in graphene, and simultaneously leads to a relative shift of majority- and minority-spin bands. We performed spin-polarized STM (SP-STM) measurements of self-assembled Fe chains by using Fe-coated Cr tips, which, although ferromagnetic at their apex, do not have strong enough magnetic fields to disrupt the superconductivity of the Pb(110) substrate [Fig. 1A, fig. S1, and section 1 of ]. Before making measurements in zero applied magnetic. Experimental investigations of spin-polarized electron confinement in nanostructures by scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS) are reviewed. To appreciate the experimental results on the electronic level, the physical basis of STM is elucidated with special emphasis on the correlation between differential.

Phys. Rev. Research 2, 023197 (2020) - Physical Review Journals.

Experimental investigations of spin-polarized electron confinement in nanostructures by scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS) are reviewed. To appreciate the experimental results on the electronic level, the physical basis of STM is elucidated with special emphasis on the correlation between differential conductance, as measured by STS, and the electron.

Spin-polarized STM Study of the Antiferromagnetic Mn_3N 2 (010) Surface.

Made available by U.S. Department of Energy Office of Scientific and Technical Information.

Noise spectroscopy of a single spin with spin polarized STM.

The spin waves polarized along c have a smaller gap than those polarized in-plane, suggesting that it costs more energy to rotate spins in the ab-plane than perpendicular to it [206].... That work reports the observation of individual paramagnetic spins using the scanning tunneling microscopy (STM) technique. This is not a resonance technique. We investigate spin-polarized scanning tunneling microscopy (SP-STM)(Heinze et al.), Science 288, 1805 (2000). in the case of Mn_3N<SUB>2</SUB> (010). The sample is prepared using molecular beam epitaxy and studied in-situ. Normal STM images of the (010) surface reveal rows of Mn atoms of equal height.(Yang et al.), Appl. Phys. Lett. 78, 3860 (2001). By using antiferromagnetic (AFM)-coated.

Cyclophane with eclipsed pyrene units enables construction of spin.

The spin-polarized component isnormallyzerointhecaseofnonmagneticSTMtipson nonmagnetic surfaces, but it becomes either negative or positiveforamagnetictiponamagneticsurface.Interms of the spin local density of states (LDOS), the tunneling currentiswrittenas:15 16 I t∼g V E 1 2 ntns+mmscos dE(2) whereg VE=fE− F FeV S,fbeingthe Fermi function andV. Both spin dependent electronic properties and nano magnetism aspects of the samples investigated down to the nanoscale. The thesis is organized as follows. Chapter 2illustrates introductory basic theoretical concepts of spin-polarized scanning tunneling microscopy (sp-STM) and spectroscopy (sp-STS). Chapter 3describes the low temperature STM op.

PDF Atomic-Scale Spin-Polarized Scanning Tunneling Microscopy and Atomic.

Spin-polarized STM of cyclophane 2 on Co(111) islands We mapped the spin-polarized conductance of cyclophane 2 on Co(111) islands using an antiferromagnetic Cr tip at a low bias voltage of V b = −0.5 V (I t = 1.0 nA, ±1 T). Under these conditions, the molecules were sufficiently stable for us to measure SP-STM conductance maps with.

PDF Theory of spin-polarized STM a short introduction - UPV/EHU.

In zero field , the spin-polarized scanning tunneling microscopy (SP-STM) image reveals a spin spiral ground state with a period of 6 to 7 nm. When the magnetic field is increased to B = +1 T ( Fig. 1E ), skyrmions can be observed coexisting with remaining areas of spiral ordering.

02_Spin Polarized STM (SP-STM)_ODewey - YouTube.

Spin-polarized scanning tunneling microscopy of the room-temperature.

Spin-polarized STM is a powerful tool to visualize not only 1-nm-size single molecular topology, but also the spin polarization distribution. However, the use of differential conductance (dI/dV) includes uncertainty to obtain quantitative spin polarization due to spin-dependent tunneling probability functions. Methods to generate spin-polarized electronic states in non-magnetic solids are strongly desired to enable all-electrical manipulation of electron spins for new quantum devices 1.This is generally. In the latter, the minority states are transmitted more effectively due to a spin-dependent energy matching with the spin polarized graphene bands induced by the interaction with Ni. Conversely, in the lateral direction, it is the perturbation of Ni(111) surface states by the strong interaction with graphene which plays the major role.

Experimental identification of two distinct skyrmion collapse.

Detection of the Spin-Chemical Potential in Topological Insulators Using Spin-Polarized Four-Probe STM Saban M. Hus,1 X.-G. Zhang,2 Giang D. Nguyen,1 Wonhee Ko,1 Arthur P. Baddorf,1 Yong P. Chen,3 and An-Ping Li1,* 1Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA 2Department of Physics and the Quantum Theory Project, University of Florida..