Spin Switching in Single Wall Carbon Nanotubes Quantized Conduction Resolved Objective: Long coherence lengths in SWCNTs offer unique opportunities for.

Slides:



Advertisements
Similar presentations
1 X 2  : NO C 2  : z z  = 3/2  = 1/2 Spin-orbit interaction Orbit-rot. interaction z  = 3/2  = 1/2 Spin-orbit interaction Orbit-rot. interaction.
Advertisements

ECE : Nanoelectronics Prof. Virginia Ayres Electrical & Computer Engineering Michigan State University
SPIN
If you re-use any material in this presentation, please credit: Michael S. Fuhrer, University of Maryland.
Multi-terminal spin dependent transport in carbon nanotubes Chéryl FEUILLET-PALMA Laboratoire Pierre Aigrain Ecole Normale Supérieure, Paris France Co-workers.
Silvano De Franceschi Laboratorio Nazionale TASC INFM-CNR, Trieste, Italy Orbital Kondo effect in carbon nanotube quantum dots
Colin Mann, Physics Professor Philip Collins ABSTRACT The use of carbon nanotube field-effect transistors (CNTFETs) as chemical or biological sensors is.
Opportunities and Barrier Issues in Carbon Nanocomposites R. Byron Pipes, NAE, IVA Goodyear Endowed Professor University of Akron National Science Foundation.
Kondo Effects in Carbon Nanotubes
BOSTON UNIVERSITY PHYSICS DEPARTMENT Nano-spectroscopy of Individual Single Walled Carbon Nanotubes AFM image 1um Measure single, unperturbed nanotube.
1 Motivation: Embracing Quantum Mechanics Feature Size Transistor Density Chip Size Transistors/Chip Clock Frequency Power Dissipation Fab Cost WW IC Revenue.
Defects and metallic contacts involving carbon nanotubes Jisoon Ihm School of Physics, Seoul National University, Korea.
1 A Multi-scale Electro-Thermo-Mechanical Analysis of Single Walled Carbon Nanotubes PhD defense Tarek Ragab Electronic Packaging Laboratory CSEE department,
Lesson 5, Part 2: Electric field induced transport in nanostructures.
Quantum Numbers How to find your atom’s address in the Periodic Table Hotel.
Explaining the Periodic Table (6.7) If elements are the building blocks of all other matter, what are they made of? There are three particles that make.
Conclusions The spin density surfaces of the antiferromagnetic ground states demonstrate opposite spins at the ends, and alternating spins along the length.
Atoms. Particles of an Atom Atom: smallest amount of an element ParticleRelative Mass ChargeLocationOther Info Proton nucleusIdentifies the element.
Spintronics and Graphene  Spin Valves and Giant Magnetoresistance  Graphene spin valves  Coherent spin valves with graphene.
Insert Figure 1 approximately here. Bismuth nanowires or bismuth nanotubes? -Bismuth nanowires are a vehicle for the study of size- dependent electronic.
More than a decade ago: Accelerator development enabled visionary science probe-before-destroy Haidu et al. soft x-ray magnetic holography Wang, et al.
G. S. Diniz and S. E. Ulloa Spin-orbit coupling and electronic transport in carbon nanotubes in external fields Department of Physics and Astronomy, Ohio.
Technical Training. 1 Configuration: 2558 Analog Input Module 1. Select voltage or current input mode for each channel 3. Select digital filtering, offset.
Centrifugal Length Sorting of Carbon Nanotubes Dr. Jeffrey Fagan.
Nanotechnology will change the nature of almost every human-made object in the next century.
CNTs David Shaw EE. Proposed System: Overview First elevator: 20 ton capacity (13 ton payload) Constructed with existing or near-term technology.
L4 ECE-ENGR 4243/ FJain 1 Derivation of current-voltage relation in 1-D wires/nanotubes (pp A) Ballistic, quasi-ballistic transport—elastic.
Bohr and Quantum Mechanical Model HW Review 2.7 Which color of visible light contains the smallest amount of energy?
Quantum Numbers. How does a letter get to you? 5501 Haltom Rd Haltom City, TX
Roberto Fuentes Badilla University of Arizona Acknowledgements: Dr. Sumit Mazumdar Dr. Zhendong Wang U.S. N.S.F.
Electronic States of Atoms Quantum numbers for electronsQuantum numbers for many-electron atoms l: orbital angular momentum quantumL: orbital angular.
Mesoscopic physics and nanotechnology
Atomic Structure Quantum Numbers.  specify the properties of orbitals and of electrons in orbitals  the first three numbers describe: main energy level.
ECE : Nanoelectronics Prof. Virginia Ayres Electrical & Computer Engineering Michigan State University
A Quantum Computer in a Diamond Grant Riley. Outline Requirements for a quantum computer Chemical Vapor Deposition Diamonds – Properties – Impurities.
4-4 A New Approach to the Atom
Orbital Diagrams and Electron Configurations Vocabulary: 1.Electron configuration 2.Aufbau Principle 3.Pauli Exclusion Principle 4.electron spin 5.Hund’s.
Carbon Nanotubes.
HELIUM ATOM + N N proton electron neutron Shell.
Theory of STM Imaging of Fullerene Peapods C.L. Kane and E.J. Mele D. Hornbaker, A. Yazdani, A.T. Johnson, D.E. Luzzi Tube states hybridize with C 60 orbitals.
G. S. Diniz 1, A. Latgé 2 and S. E. Ulloa 1 Spin manipulation in carbon nanotubes: All electrical spin filtering through spin-orbit interactions 1 Department.
Gear Ratios What are gears ratios? Calculating SR of gear systems
Orbitally phase coherent spintronics
Electron Configuration
The QMM Model Mr. Zoitopoulos Legacy High School Chemistry.
EE 315/ECE 451 Nanoelectronics I
Characterization of CNT using Electrostatic Force Microscopy
Lecture 7 DFT Applications
ENERGY LOADING AND DECAY OF N2 VIBRATION
Date of download: 12/27/2017 Copyright © ASME. All rights reserved.
مراجعة عامة.
Ch. 4/5: Atomic Structure Quantum Numbers.
Quantized Electron Orbits
MODULE B-3: SCANNING TUNNELING MICROSCOPY
Atom Model Using Periodic Table Boxes
Systems and Scale Unit Activity 2.1 Powers of Ten
Carbon Nanotube Diode Design
CHEMISTRY November 3, 2014 Electron energy.
Quantum Numbers.
David Broido, Physics Dept. Boston College PRF# AC10
Quantum Numbers.
Orbital Box Diagrams.
Transverse Electric Fields
Quantum Numbers.
What is nanotechnology?
Electron Energy Levels
Area and Volume Scale Factor
Electronic Configuration according to Quantum Mechanics
Excited State vs. Ground State
Better approximations:
Presentation transcript:

Spin Switching in Single Wall Carbon Nanotubes Quantized Conduction Resolved Objective: Long coherence lengths in SWCNTs offer unique opportunities for spintronics Use spin-orbit coupling for spin manipulation Approach: Large scale bottom up modeling using atomic orbitals up 20 µm in length SWCNT (10,0) more than 3 million atomic orbitals A Rapid-Recursive Greens Function (RGF) algorithm is developed Impact: Demonstrated spin control and switching due to spin-orbit coupling effects Strongly energy dependent 100% spin modulation (switching) predicted at quantized conduction limit SINGLE CHANNEL SPIN INJECTION TOTAL CONDUCTANCE (10,0) SW-CNT SPIN RESOLVED CONDUCTANCE total conductance 100% Spin Modulation (1st plateu) spin-up channel spin-down channel Mode Mixing (2nd plateu) spin-up channel spin-down channel Ahmet Ali Yanik