MRSEC II Highlights (2000-2005)

Below are highlights from the previous MRSEC funding cycle.

• IRG 1 Highlights: Low-Dimensional Interfaces
• IRG 2 Highlights: Multifunctional Magnetic Oxides
• Education Outreach Highlights

MRSEC II IRG 1 - 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

MRSEC II IRG 2 - 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
• Chemical Modification of Step Structures on Al(111)

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

MRSEC II IRG 3 - 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

Novel Microscopy Research

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

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