Equipment

Deposition Equipment
Sputtering
Molecular Beam Epitaxy

Structural Characterization Equipment
X-ray Diffractometer
Scanning Probe Microscopy (Departmental Facility)

Magnetotransport
SQUID Magnetometer (Departmental Facility)
MOKE
Vibrating Sample Magnetometer
 
 

Deposition Equipment
Sputtering
1. 1 X 10-7  Torr base pressure
2. Can load up to five substrates at a time
3. Can heat substrates to 850o C during growth
4. Four sputtering guns (US Guns, AJA International)
5. Quartz crystal monitor controller for automated deposition (Leybold Inficon)

MBE
1. Ultra high Vacuum chamber, 5 X 10-10 Torr base Pressure (Kurt J. Lesker)
2. Two electron beam sources, one single pocket (40 cc) and the other four-pocket source (7 cc each) (MDC)
3. Three K-cells for thermal evaporation (Luxel)
4. Reflection high energy electron diffraction (RHEED) system with acquisition and analysis software (Staib, K-space)
5. Substrates can be heated to 1000o C during growth, with 360o rotation for enhanced film homogeneity
6. Magnetoopic Kerr effect (MOKE) system for surface magnetization measurements
7. Located in Dr. David Lederman's lab, G40 Hodges Hall, Department of Physics, West Virginia University

Structural Characterization Equipment
X-ray Diffractometer
1. 18 kW rotating anode x-ray generator (Rigaku)
2. Bent graphite monochromator for enhanced sample intensity
3. Four-circle goniometer (Huber) on port A for Bragg scattering measurements
4. Two-circle goniometer (Huber) on port B for reflectivity measurements
5. Located in Dr. David Lederman's LAb, G42, Hodges Hall, Department of Physics, West Virginia University

(from Images section)

Scanning Probe Microscopy
1. Commercial scanning tunneling/atomic force microscope (STM/AFM, Digital Instruments)
2. Departmental facility located in 330 Hodges Hall, Department of Physics, West Virginia University

Magnetotransport
SQUID Magnetometer System
1. Commercial gradiometer system (Quatum Design)
2. Temperature range: 2K-800K with oven
3. Magnetic field range: 5.5 T (superconducting magnet)
4. Sensitivity: better than 10-7 emu
5. Transport measurements performed with existing transport insert rod, using current source (Keithley) and digital nanovoltmeter (Keithley)
6. Located in Dr. Mohindar Seerha's laboratory, B13 Hodges Hall, Department of Physics, West Virginia University

(from Images section)

Magneto-optic Kerr Effect (MOKE)
1. Electromagnet capable of 2.3 T (GMW)
2. Photoelastic modulator for AC measurements
3. Capable of performing room temperature transport measurements
4. Located in Dr. David Lederman's laboratory, G42 Hodges Hall, Department of Physics, West Virginia University
Vibrating Sample Magnetometer
1. Commercial VSM head (EG&G)
2. Electromagnet capable of 1.3 T
3. Samples can be measured in a closed-cycle refrigerator, in the 10K- 350K range
4. Located in Dr. David Lederman's laboratory, G42 Hodges Hall, Department of Physics, West Virginia University