MRSEC II (2000-2005) Research Nuggets

Nearly all research nuggets posted here are in Adobe Acrobat (PDF) format, which requires Acrobat Reader to view. To download the free Acrobat Reader, please click the logo below.

• IRG 1 (Polarization Dynamics in Ferroelectric Thin Films) Nuggets
• IRG 2 (Surface Nanostructures: From Fluctuations to Driven Systems)Nuggets
• IRG 3 (Metal Oxides with High Spin Polarization) Nuggets
• Novel Microscopy Nuggets

For more information about the IRGs, including their research goals and highlights, personnel, and publications, please see the Research link to the left.

  IRG 1 Nuggets - Polarization Dynamics in Ferroelectric Thin Films

• Point and Extended Defects in Ba_1-xSr_xTiO₃ Thin Films Grown by Pulsed Laser Deposition
• Fempto-second Laser Triggered Ultra-fast Switching Dynamics in Thin Films Ferroelectric Capacitors
• Polarization Relaxation Phenomena in Ferroelectric Thin Films
• Nanoscale Relaxation Kinetics of Ferroelectric Capacitors
• Epitaxial BiFeO₃ Multiferroic Thin Film Heterostructures

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  IRG 2 Nuggets - Surface Nanostructures: From Fluctuations to Driven Systems

• Correlation Functions
• Review Article: Steps On Surfaces: Experiment and Theory
• Terrace-Width Distributions on Vicinal Surfaces: The Basics
• Dynamics of Step Fluctuations on Al/Si(111)-(Ö3xÖ3) Surface
• Step Fluctuations and Large-scale Instabilities


• Mass Transport and Pattern Formation
• Low Energy Electron Microscopy: Imaging Surface Dynamics
• Tracking of Step Dynamics in Crystal Shape Relaxation
• Science Editors Choice: "Peeling away the facets"
• Current-Induced Pattern Formation on Vicinal Surfaces
• Pattern Formation under Electromigration
• Electromigration of Atom and Vacancy Islands: Dependence on Microscopics


• Nano-scale Chemistry
  • Autocatalytic Oxidation
  • Oxidative Transformation of Lead Crystallites
  • Science Highlights "One Speck is All it Takes"
  • Self Assembly of Mesoscale Alane Strings
  • Chemical Modification of Step Structures on Al(111)
  
  
• Persistence
  • Nanoscale Fluctuations at Solid Surfaces (From Physics Today - December 1999)
  • Persistence in Step Fluctuations
  • Experimental Persistence Probability for Fluctuating Steps
  
  
• Electromigration and Current Crowding
• Analytical Applications of MFM and EFM
• Science Highlights: "Crowding of Electrons Breaks the Links"
• Mapping Electron Flow
• Current Flow around Defect Structures
• Magnetic Force Microscopy Observation of Current Crowding
• Detection of Line Breaks
• Fundamental Issues in Electromigration-induced Surface Mass Transport
• Current-Induced Pattern Formation on Vicinal Surfaces
• Electromigration of Atom and Vacancy Islands: Dependence on Microscopics
• Pattern Formation under Electromigration


• Semiconductor Metrology
• Analytical Applications of Photo-electron Emission Microscopy
• PEEM Contrast for Imaging Semiconductor Implants
• Micron Scale Positioning in Ultra High Vacuum for PEEM
• PEEM Image Contrast: Electric Fields at Sample Surface
• Silicon-based Device Structures
• Time Response in STM Measurements of Device Structures
• Focusing of Elections in LEEM by Patterned Surface Structures
• Electrical Characterization of Operating PN Junction with Conductance Mapping and STM
• Imaging the Variation in Band Bending Across a Silicon PN-Junction Surface using Spectromicroscopy

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  IRG 3 Nuggets - Metal Oxides with High Spin Polarization

• Probing Spin Correlations with Phonons in the Strongly Frustrated Magnet ZnCr₂O₄
• Tunable multiferroic properties and the magnetoelectric effect in nanocomposite PbTiO₃-CoFe₂O₄ epitaxial thin films
• Low-H Magneto-Dielectric Effect in an Iron-Garnet
• Optical band-edge shift of cobalt-doped titanium dioxide
• On the origin of high-temperature ferromagnetism in the low-temperature processed Mn-Zn-O system
• Electric Field Effect in Diluted Magnetic Insular Anatase Co:TiO₂
• Large Second Harmonic Kerr rotation in GaFeO₃ films on YSZ buffered Si
• Co-occurance of Anomalous Hall Effect (AHE) and Superparamagnetism in Diluted Magnetic Semiconducting (DMS) Oxides
• Multiscale Coexistence of Magnetic Order and Ferroelectricity
• Exchange effects in the optical spectrum of LuMnO₃
• Co-doped La_1-xSr_xTiO₃ A diluted magnetic metal with high Curie temperature
• Formation of isomorphic Ir³⁺ and Ir⁴⁺ octamers and spin dimerization in the spinel CuIr₂S₄
• Manganite based Field Effect Transistor: New Materials Science Û new device potential
• Spintronics and Diluted Magnetic Semiconductors
• Characterization of SrTiO₃/Fe₃O₄ interfaces
• Spin-Orbital Ordering and Mesoscopic Phase Separation in Ca₂FeReO₆
• Anomalous Band Magnetism in LaCrSb₃: Evidence for Double Exchange
• First-Order Nature of the Ferromagnetic Transition in CMR Oxides
• Role of strain in the transport properties of manganites
• Direct imaging of the Charge Ordered Stripes in Bi_1-xCa_xMnO₃ using Scanning Tunneling Microscopy
• Charge Ordering and Polaron Formation in CMR Oxides
• Oxide interfaces, Andreev bound states and Spin Injection
• Evidence of Submicron-Scale Phase Separation in Pr-doped LCMO film

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    Novel Microscopy Research

• Low Energy Electron Microscopy: Imaging Surface Dynamics
• Introduction to Scanning Tunneling Microscopy

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