Facilities
Items identified by an S are administered by the WVU Shared Research Facilities.
Thin film growth
Sputtering station S
Located in White Hall , Room 410A (class 10,000 clean room)
- Five sputtering guns, four in confocal arrangement, one in pre-chamber
- Substrate heating to 850 oC during growth
- Base pressure 10-8 Torr
- Load-lock chamber
Molecular beam epitaxy system
Located in White Hall, Room 418A (class 100,000 clean room)
- Three inter-connected ultra high vacuum chambers for growth of
- oxides
- fluorides
- topological insulator materials
- Reflection high energy electron diffraction (RHEED) system with data analysis and acquisition software
- RHEED-total reflection analysis of x-rays (-TRAXS) for in-situ chemical and structural analysis
- UHV scanning probe microscopy (Omicron), room temperature to 600 oC AFM and 1000 oC STM imaging capabilities
- LEED-Auger spectroscopy
Pulsed laser deposition system S
This system (Neocera) will be located in White Hall, Room 410A (arriving in February 2012)
Structural characterization
X-ray diffractometer S
Located in White Hall, Room 402
- 18 kW rotating anode x-ray generator (Rigaku)
- Bent graphite monochromator for enhanced sample intensity, optimized for thin film measurements
- Four-circle goniometer (Huber) on port A for high angle diffraction scattering measurements
- Two-circle goniometer (Huber) on port B for reflectivity measurements
Atomic force microscopy S
Located in White Hall, Room B20B
- Veeco multimode scanning probe microscope
- PFM, MFM, Conducting-AFM measurement capabilities
- External breakout box for custom measurements
Electron microscope / electron beam writer
Located in White Hall, Room B20
- Cambridge S360 electron microscope
- Nabity e-beam writing software installed
- Low vibration surface with cut-out concrete flooring
Magnetic characterization
SQUID magnetometer
Located in White Hall, Room B20
- MPMS Quantum Design
- High temperature furnace (to 800 K)
- Sample rotator
- AC susceptibility option
- 7 T superconducting magnet
Magneto-optic Kerr effect (MOKE)
Located in White Hall, Room 424A
- Electromagnet capable of 2.3 T (GMW)
- Photoelastic modulator for AC measurements
- Flow cryostat (ARS) for measurements from 1.8 K to 325 K
- Capable of performing room temperature transport measurements
Vibrating sample magnetometer
Located in White Hall, Room 424
- Electromagnet capable of 1.0 T
- Samples can be measured in a closed-cycle refrigerator, in the 10 K- 350 K range using exchange gas for cooling
Electrical characterization
Ferroelectric characterization
Located in White Hall, Room 424
- Ferroelectric tester (Radiant Technologies)
- Can be used with existing magnetotransport cryostats or room temperature contact manipulator stage
Magnetotransport
Located in White Hall, Room 424
- Electromagnet (1 T) with closed cycle refrigerator (10 K to 325 K)
- Superconducting magnet dewar (Janis), wide bore, 12 T
- Flow cryostat (ARS) in electromagnet (2.3 T)
- Keithley low noise DC electronics
- Lock-in amplifier for AC measurements
