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The many fascinating properties of "soft condensed matter"--e.g., liquid crystals, polymers and proteins--are determined by weak intermolecular forces such as van der Waals and screened electrostatic forces. My research involves the measurement of intermolecular forces, as well as the construction of mathematical models and macroscopic devices to mimic atomic-scale behavior.

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Courses
  • EMI
    Electricity and Magnetism I

  • IPII
    Introductory Physics II

  • MEPI
    Methods in Experimental Physics I

  • IEM
    Introductory Electricity and Magnetism

  • MEPII
    Methods of Experimental Physics II

  • TMII
    Theoretical Mechanics II

  • HIM
    Honors Introductory Mechanics

  • TM
    Theoretical Mechanics

  • TSGC
    The Science of Good Cooking

  • HIOT
    Honors Introductory Optics and Thermodynamics

  • TMI
    Theoretical Mechanics I

  • IPI
    Introductory Physics I

  • TP
    Thermal Physics

  • IM
    Introductory Mechanics

  • IOT
    Introductory Optics and Thermodynamics

Grants
  • Funding agency logo
    REU Site: Summer Bridge Program in Experimental Physics

    Principal Investigator (PI)

    2018

    $379.0K
  • Funding agency logo
    REU Site: Summer Bridge Program in Experimental Physics

    Principal Investigator (PI)

    2015

    $406.3K
  • Funding agency logo
    REU Site: Summer Bridge Program in Experimental Physics

    Principal Investigator (PI)

    2012

    $334.9K
News
  • UA Students Named Goldwater Scholars

    2011

  • UA Optical Sciences Grad Wins Congressional Science Fellowship

    2008

  • China, India Challenge U.S. Science Leadership, Expert Says

    2006

Publications (35)
Recent
  • Students taught by a first-time instructor using active learning teaching strategies outperform students taught by a highly-regarded traditional instructor

    2021

  • Friction dependence on growth conditions in epitaxial films

    2009

  • Imaging microflows and nanopore structures using hydrodynamic force microscopy

    2008

  • Two-dimensional crystal growth from undersaturated solutions

    2007

  • Molecular transfer and transport in noncovalent microcontact printing

    2004

  • Detection of a diffusive two-dimensional gas of amphiphiles by lateral force microscopy

    2003

  • Two-dimensional condensed phases from particles with tunable interactions

    2003

  • Mechanisms of metal ion sorption on calcite: Composition mapping by lateral force microscopy

    2003

  • Patterned thin water films on mica

    2002

  • Surfactant aggregates at a flat, isotropic hydrophobic surface

    2000

  • Variable temperature fluid stage for atomic force microscopy

    2000

  • Surface micellization patterns of quaternary ammonium surfactants on mica

    1999

  • Supramolecular structure of surfactants confined to interfaces

    1999

  • Thin films and nanolaminates incorporating organic/inorganic interfaces

    1997

  • Gemini surfactants at solid-liquid interfaces: Control of interfacial aggregate geometry

    1997

  • Self-assembly structures of nonionic surfactants at graphite/solution interfaces

    1997

  • Surfactant aggregates at a metal surface

    1997

  • Visualizing self-assembly: Force microscopy of ionic surfactant aggregates at solid-liquid interfaces

    1997

  • The atomic force microscope as a tool to study and manipulate local surface properties

    1996

  • Biomimetic pathways for assembling inorganic thin films

    1996

  • Adsorption of DNA to mica, silylated mica, and minerals. Characterization by atomic force microscopy

    1995

  • Molecular organization of surfactants at solid-liauid interfaces

    1995

  • Direct visualization of surfactant hemimicelles by force microscopy of the electrical double layer

    1994

  • Atomic force microscope: A new tool for imaging crystal growth processes

    1993

  • Lattice resolution and solution kinetics on surfaces of amino acid crystals: an atomic force microscope study

    1993

  • Noncontact force microscopy in liquids

    1993

  • Nondestructive method for determining the spring constant of cantilevers for scanning force microscopy

    1993

  • AFM images of dissolution and growth on a calcite crystal

    1992

  • Dynamic studies of crystal growth using the AFM

    1992

  • Atomic-scale imaging of calcite growth and dissolution in real time

    1992

  • Atomic force microscopy of atomic-scale ledges and etch pits formed during dissolution of quartz

    1991

  • Atomic-resolution electrochemistry with the atomic force microscope: Copper deposition on gold

    1991

  • The atomic force microscope: A tool for science and industry

    1990

  • Imaging metal atoms in air and water using the atomic force microscope

    1990

  • Molecular-scale imaging of clay mineral surfaces with the atomic force microscope

    1990

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