Electronic structure of ZnO from x-ray spectroscopy

Slides:



Advertisements
Similar presentations
Grisel Rivera Batista Science Undergraduate Laboratory Internship Program August 12, 2010.
Advertisements

Apr 13, 2007PHYS General Physics II Applications of Quantum Mechanics.
Fundamental Interactions on Surfaces. Core Hole Decay Core hole life time Sum of all decay channels XES one electron picture AES two electron interaction;
Electronic Structure and Transport Properties of Iron Compounds: Spin-Crossover Effects. Viktor Struzhkin.
We use synchrotron-radiation based spectroscopies to measure the electronic structure of wide band gap semiconductors. Our goal is to understand how this.
KIT – Universität des Landes Baden-Württemberg und nationales Forschungszentrum in der Helmholtz-Gemeinschaft Ultraviolet photoelectron spectroscopy (UPS)
For Mini-quiz 31. sdpsdp 3d 4d 5d 6d He is s not p IN-CLASS EXERCISES : COMPLETE ELECTRONIC CONFIGURATIONS (Doing the `Aufbau’=building up)
Band Discontinuities at Si/Transparent Conducting Oxide Heterostructures from ab-initio Quasiparticle Calculations B. Höffling, A. Schleife, F. Fuchs,
Nature and origin of X-rays Interaction of X-rays with atoms
GeoSoilEnviroCARS Matt Newville, Steve Sutton, Mark Rivers Applications: XANES EXAFS Techniques: Near-neighbor distances and coordination environment.
X-ray Emission Spectroscopy Cormac McGuinness Physics Department Trinity College Dublin Soft x-ray emission and resonant inelastic.
Instrumental Chemistry Chapter 12 Atomic X-Ray Spectroscopic.
X-ray photoemission spectroscopy study on III-Nitride films
Lecture 5 An Introduction to Spectroscopy Electromagnetic radiation, electromagnetic wave Emission, absorption, fluorescence.
School of Physics and Astronomy, University of Nottingham, UK
Transition Metal Complex Bonding and Spectroscopy Review
Copyright © Houghton Mifflin Company. All rights reserved. 16a–1 Figure 16.31: Two-dimensional representations of (a) a quartz crystal and (b) a quartz.
Atomic Absorption Terry A. Ring Chemical Engineering University of Utah.
Synchrotron Radiation Interaction with Matter; Different Techniques Anders Nilsson Stanford Synchrotron Radiation Laboratory What can we hope to learn?
Joachim Stöhr Stanford Synchrotron Radiation Laboratory X-Ray Absorption Spectroscopy J. Stöhr, NEXAFS SPECTROSCOPY,
Nanotechnology and Solar Energy Solar Electricity Photovoltaics Fuel from the Sun Photosynthesis Biofuels Split Water Fuel Cells.
Copyright © Houghton Mifflin Company. All rights reserved. 16a–1 Figure 16.31: Two-dimensional representations of (a) a quartz crystal and (b) a quartz.
X-rays The electric field E(r,t) is given as a cosine function.
Optical Engineering of Metal Oxides
Fundamentals and Dynamics of Energy Transport and Conversion The Advanced Photon Source is funded by the U.S. Department of Energy Office of Science Advanced.
Electrons in Solids Carbon as Example
Quiz 4 9/11/08. Question 1 How many protons, neutrons, and electrons respectively are in 9 Be 2+ ? A.4, 9, 4 B.4, 5, 4 C.9, 5, 2 D.4, 5, 2.
Orbitals and Their Energies
A XAS Study of the Sulphur Environment Location in Human Neuromelanin and Synthetic Analogues P.R. Crippa, M. Eisner, S. Morante, F. Stellato, F. Vicentin,
MacDiarmid Institute for Advanced Materials and NanotechnologyVictoria University of Wellington Andrew Preston Wellington, New.
Original slide prepared for the Electrons in atoms. As atoms are neutral the number of electrons is given by the atomic number.
Electron Configuration A method we use to keep track of how electrons are arranged in an atom. It helps us to explain why atoms react the way they do.
Band structure information from soft x-ray spectroscopy Andrew Preston
Electron Configurations
MacDiarmid Institute for Advanced Materials and NanotechnologyVictoria University of Wellington Andrew Preston Wellington, New.
General Chemistry Principles & Modern Applications 9 th Edition Petrucci/Harwood/Herring/Madura Chapter 8 Electrons in Atoms Dr. Travis D. Fridgen Memorial.
Chapter 1 Structure of matter Chapter 2 Nuclear transformation
MacDiarmid Institute for Advanced Materials and NanotechnologyVictoria University of Wellington Andrew Preston Wellington, New.
Electronic Properties of Thin Film Organic Superconductors studied using Synchrotron Radiation-based Soft X-Ray Spectroscopies Kevin E. Smith, Boston University,
X-ray spectroscopy Andrew Preston
The electronic structure of GdN from x-ray spectroscopy Andrew Preston Department of Physics Boston University.
Photon-in/Photon-out Soft-X-Ray Spectroscopy Soft-X-Ray Absorption (XAS); Soft-X-Ray Emission (XES) Resonant Inelastic Soft-X-Ray Scattering (RIXS) Jinghua.
Information that XAS provides (case study) Oxidation states: Si and SiO2 Si K-edge 6 eV L. Liu., et al Small, (2012)15, 2371  (E): absorption coefficient.
The Charge Transfer Multiplet program
Electronic structure of ZnO from x-ray spectroscopy Andrew Preston
The distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals an energy is associated with each electron.
Section Electron Configurations. Objectives Arrange electrons in atoms Describe quantum mechanics in terms of atomic orbitals Identify characteristics.
Jeopardy! Electrons By: Aditya, Josh, and Eric. Formulas & MathVocabQuantum NumbersAnything!
The many forms of carbon Carbon is not only the basis of life, it also provides an enormous variety of structures for nanotechnology. This versatility.
Detection Scheme of Single Shot Time Resolved X-ray Emission Spectroscopy of Chemical Dynamics at LCLS Kathleen R. Geyer August 12, 2010 Mentor: Dennis.
Structure of ZnO Nanorods using X-ray Diffraction Marci Howdyshell Albion College Mentors: Bridget Ingham and Michael Toney.
Chapter 7: Atomic Structure & Periodicity
The many forms of carbon Carbon is not only the basis of life, it also provides an enormous variety of structures for nanotechnology. This versatility.
6 th World Congress on Biotechnology Leaves extract of Damdei, Lamka for the synthesis of mixed oxide of Zn nanoparticles: Truly biogenic method Presented.
Section 5.2 Electron Arrangement in Atoms. We’ve looked at it this way.
Luminescent Properties of ZnO and ZnO:Ce Thin-Films Manuel García-Méndez
Steve Dutch University of Wisconsin-Green Bay
Absorption spectroscopy
– the percent by mass of each element in a compound.
in zinc oxide (ZnO) nanowires
Quantum Numbers.
PES Data Elements 1-21.
X-ray Emission Spectroscopy
Chapter 13, Unnumbered Figure 1, Page 535
Electron Transfer in cluster Anions:
Observation of Intrinsic Quantum Well States and
Bonding and Chemical Equations
Learning Objective Describe the oxidation and reduction of metals
Quantum Numbers.
Electronic band structure of CrN and GdN from x-ray spectroscopy
Presentation transcript:

Electronic structure of ZnO from x-ray spectroscopy Andrew Preston andrew@preston.co.nz

Co-authors Ben Ruck Louis Piper, Alex DeMasi and Kevin Smith Victoria University of Wellington Louis Piper, Alex DeMasi and Kevin Smith Boston University Andre Schleife, Frank Fuchs and Friedhelm Bechstedt Friedrich-Schiller-Universitat Jessica Chai and Steve Durbin University of Canterbury

Zinc oxide

Zinc oxide Zn2+ = [Ar]3d10 O2- = [Ne]

Zinc oxide (0001)

ZnO electronic structure

X-ray absorption (XAS) Ef Empty Filled

X-ray emission (XES) Empty Filled

ZnO electronic structure

ZnO XAS and XES

ZnO anisotropy O p orbitals ZnO crystal

ZnO anisotropy

ZnO anisotropy

ZnO XAS and XES

ZnO XAS and XES

ZnO XAS and XES

ZnO RXES

ZnO RXES

ZnO RXES

ZnO RXES

ZnO RXES

ZnO pxy band structure

ZnO pz band structure

Phys. Rev. B 78, 155114 (2008) (arXiv:0805.4641) andrew@preston.co.nz