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Test and Measurement Channel / Industry News

Lake Shore to discuss new 8500 Series THz system for material characterization at APS

February 21, 2014

Lake Shore Cryotronics, a leading innovator in solutions for measurement over a wide range of temperature and magnetic field conditions, announced that it will be discussing its soon-to-released terahertz (THz) system for materials characterization at the upcoming American Physical Society March Meeting in Denver.

At booths 901/903, visitors to the March 3-7 meeting can learn more about the new 8500 Series THz system for electronic, magnetic and chemical materials research and characterization. The fully integrated platform uses non-contact THz-frequency energy and an integrated low-temperature, high-field cryostat to measure material spectroscopic responses across a wide range of frequencies, temperatures and field strengths.

The Lake Shore system is the first affordable, integrated, convenient solution specifically tailored for characterization of research-scale electronic and magnetic materials. It should be of interest to any researcher wanting to characterize properties of emerging materials in high-speed computing, organic electronic, spin-based computing and thin-film semiconductor applications.

The system performs continuous wave spectroscopic response measurements to derive key material properties, including dielectric constant, dynamic conductivity, carrier scattering times and mobilities, vibrational resonances, and magnetic resonances. Several key research facilities in the U.S. are currently using alpha units of the system to gain insight into molecular solids, thin films and other materials.

In a related event, Dr. David Daughton, Lake Shore Applications Scientist, will be presenting a paper on “Continuous wave terahertz spectroscopy of Sr2CrReO6 thin films at cryogenic temperatures and in high magnetic fields.” This presentation will be held from 9:12 to 9:24 a.m. March 7 in Room 108 of the Colorado Convention Center. In the paper, co-authored with researchers from The Ohio State University, Dr. Daughton addresses how temperature-dependent THz spectroscopies have proven useful in characterizing the electronic properties of this novel material. 

Lake Shore representatives will also be on hand at the APS meeting to discuss:

  • Cryogenic temperature sensors and instrumentation, including a preview of Lake Shore’s Model 372 AC resistance bridge/temperature controller, which has a dedicated input designed specifically for continuous ultra-low temperature control. It also features patented noise rejection technology that ensures stable and reliable measurements as well as a quadrature measurement feature for identifying reactive components of a load.
  • Precision Hall effect measurement systems, including the new Model 8407 HMS, which has a 7-in magnet and, like Lake Shore’s existing Model 8404 with 4-in magnet, can be ordered with AC field Hall option for measuring mobilities down to 0.001 cm2/Vs. The larger magnet is also ideal for analyzing materials that fall at the low end of the mobility range of DC measurements.
  • Magnetic test and measurement instruments and systems, including alternating gradient magnetometer (AGM) and vibrating sample magnetometer (VSM) systems for more advanced magnetic materials characterization.
  • Cryogenic and cryogen-free probe stations, including the Model PS-100, an entry-level cryogenic probe station designed for fast delivery and setup. The PS-100 is a fully specified version of Lake Shore’s TTPX system and features a four-arm triaxial configuration for non-destructive testing of devices on full and partial wafers up to 51 mm (2 in) in diameter. The TTPX station will be on display in the Lake Shore booth during the APS meeting. 

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