Dielectric
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Dielectric

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Dielectric Dielectric Presentation Transcript

  • Materials Characterization Lab www.mri.psu.edu/mcl Dielectric Characterization Paul Moses paulmoses@psu.edu 167 MRL 814-863-0857 June 6, 2005
  • Materials Characterization Lab www.mri.psu.edu/mcl Summer Characterization Open Houses Technique Time Date Location Thermal analysis (TGA, DTA, DSC) 9:45 AM June 8 250 MRL Bldg. Transmission Electron Microscopy (TEM/STEM) 9:45 AM June 15 114 MRI Bldg Scanning electron microscopy (SEM) 9:45 AM June 22 541 Deike Bldg. Analytical SEM 11:00 AM June 22 541 Deike Bldg. X-ray Diffraction (XRD) 9:45 AM June 29 250 MRL Bldg. Dielectric Characterization (25 min lecture only) 9:45 AM July 6 250 MRL bldg. High temperature sintering lab (20 min lecture only) 10:15 AM July 6 250 MRL Bldg. Focused Ion Beam (FIB) 9:45 AM July 13 114 MRI Bldg TEM sample preparation 11:00 AM July 13 114 MRI Bldg Orientation imaging microscopy (OIM/EBSD) 9:45 AM July 20 250 MRL Bldg. Chemical analysis (ICP, ICP-MS) 9:45 AM July 27 541 Deike Bldg. Atomic Force Microscopy (AFM) 9:45 AM August 3 114 MRI Bldg Small angle x-ray scattering (SAXS) 9:45 AM August 10 541 Deike Bldg. Particle Characterization 9:45 AM August 17 250 MRL X-ray photoelectron spectroscopy (XPS/ESCA) 9:45 AM August 24 114 MRI Bldg Auger Electron Spectroscopy (AES) 11:00 AM August 24 114 MRI Bldg NOTE LOCATIONS: The MRI Bldg is in the Innovation Park near the Penn Stater Hotel; MRL Bldg. is on Hastings Road. More information: www.mri.psu.edu/mcl
  • Materials Characterization Lab Materials Characterization Lab Locations www.mri.psu.edu/mcl Bldg Telephone MRL 863-7844 MRI 865-0337 MRI Bldg: Hosler 865-1981 XPS/ESCA, SIMS, E&ES 863-4225 TEM, HR-TEM, FE- Auger, AFM, XRD MRL Bldg: Hosler Bldg: SEM, XRD, OIM, DTA, SEM, ESEM, FE- DSC, TGA, FTIR, Penn Stater SEM, EPMA, ICP, Raman, AFM, Powder, Hotel E&ES Bldg: ICP-MS,BET, SAXS dielectric, prep, shop, SEM IC, UV-Vis Route 322 Steidle Bldg: Nanoindenter Atherton Street (322 Business) I-99 0 Park 0 0 0 0 0 0 0 Ave. 0 0 0 0 Park 0 0 Beaver A0ve. Stadium 0 0 0 Centre 0 0 Community Porter Road Univ Shortlidg Hospital 0 0 Burrowes Road ersi ty D e Road Pollock Road rive North Hastin Deike Bldg: Road gs College Ave.
  • Materials Characterization Lab www.mri.psu.edu/mcl Google finds 2.4 million quot;dielectricquot; pages, PSU has 1660
  • Materials Characterization Lab www.mri.psu.edu/mcl What's Dielectric Characterization? E.G.: conductivity (V=RI), permittivity (D= E), impedance (V*=Z*·I*), piezoelectricity (P=dσ), pyroelectricity (i=p·dT/dt), ferroelectricity (nonlinear relationship between electric field, polarization, strain, ...) For sure it involves charge and many orders of magnitude.
  • Materials Characterization Lab www.mri.psu.edu/mcl Irreversible (DC) Reversible (AC) V = RI LCR Meter PE D33 Meter Quasi-Static Strain Charge/Analyzer Pulse Discharge RF IV IV Others including transformer ratio bridges, microwave techniques, fluid immersion
  • Materials Characterization Lab www.mri.psu.edu/mcl Irreversible (DC) Pulse PE CV Discharge 4 0 9 9 -3 -3 0 3 6 -3 0 3 69 -3 0 3 6 V V V I I
  • Materials Characterization Lab www.mri.psu.edu/mcl Reversible (AC) Charge Converter LCR RF IV Network Analyzer Meter 4 0 -3 -3 0 3 69 -3 0 3 69 -3 0 3 69 V Ref V V Test I
  • Materials Characterization Lab www.mri.psu.edu/mcl PE LCR Charge RF-IV CV Pulse LCR++ Charge++ RF-IV++ 4 Log Voltage 0 -3 -3 0 3 6 9 Log Frequency
  • Materials Characterization Lab www.mri.psu.edu/mcl How To Get Started contact: Jeff Long or Paul Moses you will need: ― a question or a plan ― a sample with electrodes, contacts, or connections ― a budget/fund number (cost center/project number) ― possibly expendables: silver foil, dielectric fluid ― possibly special fixture