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The Lab
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Tunnel diode resonator (TDR)
precise measurements of dynamic magnetic susceptibility at radio frequencies. Three systems are operating in the lab:
- in a 3He
cryostat
- dilution refrigerator
- 4He systems
- furnaces
Temperatures from 10-2 to 103 K
Magnetic fields up to 16 Tesla
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We are also working on the development of various flavours of the resonator, including variable frequency and angle resonators as well extended temperature range and combination with other techniques.
TDR in a 4He cryostat (sample in vacuum) is shown on the right. Temperatures from 1.4 K. Variable sample geometry setup. Fits wide neck transport dewar. |
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Low-temperature
magneto-optics
Small optical flow-type cryostat mounted on an XY stage of a polarized-light microscope. Used to study 2D distributions of magnetic fields on surfaces of superconducting and magnetic samples.
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Quantum Design MPMS
vector DC magnetometry with longitudinal and transverse SQUIDs.
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Quantum Design PPMS
General cryogenic mainframe.
Options:
- specific heat
- AC and DC transport
- AC magnetic susceptibility
- Canteiliver magnetometer
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AC susceptometer
Custom built variable frequency AC susceptibility. Compensated coils configuration for PPMS.
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Sonochemical setup
Uses 20 kHz powerful ultrasound (up to 750 W) to induce chemical reactions.
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400 uW dilution refrigerator system
Modular system with various experimental inserts, including transport, magnetic and thermal measurements. Temperatures < 10 mK and magnetic field up to 16 Tesla.
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