Research interests:
  • Advanced material synthesis and processing
  • Bulk nanocrystalline materials and nanocomposites.
  • Current activated pressure assisted densification (CAPAD) often called Spark Plasma Sintering (SPS) *

*For Review, please see: J. E. Garay, "Current Activated Pressure Assisted Densification of Materials," Annual Reviews of Materials Research (2010), 40, 445-468. (Available upon request)

  • Effects of nanocrystallinity on material properties (optical, magnetic, electrical)
  • Mass transport, nucleation, electric current effects and defects in materials.
  • Army Research Office Young Investigator Award (ARO-YIP), 2005  

  • Air Force Office of Scientific Research Office Young Investigator Award (AFOSR-YIP), 2009 

  • National Science Foundation Faculty Early Career Development Award (NSF-CAREER), 2010



Current Projects:


Funding source


  • Transparent nanocrystalline metal oxides for Optical applications; supported by the ARO

Transparent nanocrystalline zirconium oxide

  • Magnetic nanocomposites
    (magnetic applications); supported by the AFOSR

Large 3D magnetic nanocomposites that display magnetic coupling

  • Energy storage materials for concentrating solar power plants; with C. Dames, R. Abbaschian (UCR ME) and Terrafore Inc. supported by the DOE

Flow loop designed and built at UCR for testing phase change materials

  • Processing of bulk nanocrystalline electro-optic materials; supported by NSF
  • Measurement and Analysis of Thin film bolometer materials, supported by  Raytheon Company
  • Thermoelectric material processing; supported by  Lockheed Martin




Processing techniques:

  • Electric Current Assisted Pressure Assisted Densification (CAPAD)
  • Electric Current Assisted Pressure Assisted Synthesis
  • Thin film deposition

Material Property Measurements:

  • Magnetic property measurements (SQUID magnetometry)

  • Optical measurements (in-line transmission, reflectance, absorption coefficient. photoluminescence (PL))

  • Transport measurements

Mechanical Testing:

  • High temperature mechanical testing

  • Fracture toughness measurements

  • Hardness measurements

AMPS Lab Pictures:


Experimental System Design

Equipment List