Facilities
“Bravo” Varian Gen II MBE (Status: Operational)
- History: Donation from Bell Labs, installed 1994 and refurbished 2007
- Materials:
- Er – Veeco 10CC high temperature source
- Ga – Veeco 400g SUMO cell
- In – Veeco 900g SUMO cell
- Al – Veeco 200g SUMO cell
- N – SVTA rf plasma source (Status: not installed)
- As – Veeco 500CC valved-cracker
- Sb – Veeco 200CC valved-cracker
- Bi – Veeco 250g downward-looking SUMO cell
- Si/Be – MBE Komponenten custom dual dopant source (Si filament and Be effusion)
- GaTe – MBE Komponenten tilted crucible dopant source
- Si – MBE Komponenten filament source
- Be – MBE Komponenten tilted crucible dopant source
- Ancillary Equipment:
- kSA multibeam optical stress (MOS) system
- kSA BandiT bandedge/blackbody temperature measurement
- Staib 15 keV RHEED system
- kSA RHEED analysis
- Stanford Research Systems RGA 300
- Veeco externally adjustable group-III shutters
- Riber (formerly MBE Control) AMBER growth software
- Veeco 3” substrate manipulator
“Echo” EPI MOD Gen II MBE (Status: Operational)
- History: Purchased in 1995 by NIST, donated to LASE in 2008, refurbished in 2009
- Materials:
- B - MBE Komponenten EBVV vertical e-beam evaporator
- Ga – Veeco 400g SUMO cell
- In – Veeco 400g SUMO cell
- P – E-SCIENCE valved GaP decomposition source
- As – Veeco 500CC valved-cracker
- Bi – Veeco 250g downward-looking SUMO cell
- Si/Be – Veeco dual dopant source
- GaTe/Er - Veeco dual dopant source
- La – Veeco 10CC high temperature source (Status: not installed)
- Lu – Veeco 10CC high temperature source (Status: not installed)
- C – Veeco CBr4 with MBE Control custom injector (Status: not installed)
- Al – Veeco 200g SUMO cell (Status: not installed)
- Gd – Veeco 10CC high temperature source (Status: not installed)
- Ancillary Equipment:
- kSA BandiT bandedge/blackbody temperature measurement
- MBE Control EZ-RHEED analysis
- Stanford Research Systems RGA 200
- Veeco externally adjustable group-III shutters
- Riber (formerly MBE Control) AMBER growth software
- Custom cryogen-free P-recovery system (Status: under installation)
- Veeco 3” substrate manipulator
“Foxtrot” (a.k.a. “The Juice”) Varian Chamber (Status: Under installation)
- History: Donation from UT-Arlington in 2011
- Materials:
- Epitaxial plasmonic and emerging materials
- Ancillary Equipment:
- Thermionics 6-pocket e-beam evaporator
- Veeco dual dopant source
- MBE Komponenten cooling water nipple and shutter
- Stanford Research Systems RGA 200
Bakeout Structure (BoS) (Status: Operational, v2.1)
- Outgassing MBE components prior to introducing them to the MBE system
- Equipment:
- CTI CT10 cryo
- Stanford Research Systems RGA 200
- Four 8" arms for baking sources
- One 10" arm for baking substrate manipulator
- Vertical group-III thermal deposition system (indium currently installed)
Optical characterization setups
- Photoluminescence (PL): Measuring luminescence efficiency, emission wavelength, and so on
- near/mid-IR Reflection/Transmission (R&T): Measuring absorption and band-edge
- Pump/probe: Femtosecond carrier dynamics using mode-locked fiber laser
- Photoreflectance (PR): Measuring band alignments
- Ancillary equipment:
- LHe cryostat and controller
Fourier transform infrared spectrometer (FTIR) and IR microscope (Futur-er)
- FTIR: Bruker Vertex v80
- Vacuum FTIR with high resolution option (Δν < 0.06 cm-1)
- Operating range: 5 - 25000 cm-1 (0.4 – 2000 μm)
- Step scan
- Rapid scan
- IR Microscope: Bruker Hyperion 2000
- Coupled to FTIR for spatial/spectral/temporal mapping
- Single point MCT detector w/automated stage for imaging
- ZnSe A ttenuated Total Reflectance (ATR) objective (ZnSe)
- Grazing Angle Objective (GAO)
- Accessories:
- Keysight B1500A semiconductor device analyzer (1x high-power, 2x high-resolution SMUs)
- MMR variable temperature micro miniature refrigerator w/controller (under installation)
Edge-emitting laser (EEL) test setup
- CW, pulsed, and temperature-dependant EEL characterization
- Equipment:
- Vigo high-speed (ns) MCT detector (5μm cutoff)
- Thorlabs InGaAs amplified detector (1.5μm cutoff)
- Princeton Instruments Acton 2500 spectrometer
- Labsphere Infragold 2" integrating sphere with fiber port
- ILX Laser drivers - pulsed (LDP-3840B), CW/temperature (LDC-3744)
- ILX temperature-controlled laser mount (LDM-4415)
- Neslab recirculating chiller
Photodetector / Photocurrent spectroscopy setup (visible-to-mid-IR)
- Spectrally-resolved photocurrent/photovoltage response
- Equipment:
- Stanford research systems lock-in amplifier and chopper
- Princeton Instruments Acton 2500 spectrometer
- Various light sources
Probe station
- I-V: Tunnel junctions characterization and process flow diagnostics (e.g. TLM)
- Equipment:
- Micromanipulator 6200 probe station
- Keysight B1500A semiconductor device analyzer (1x high-power, 2x high-resolution SMUs)
- HP 4145 semiconductor parameter analyzer
Simulations
- VASP (TACC) - Density Functional Theory (DFT)
- nextnano (Windows) - k.p, wavefunction solver, electrostatics, etc.
- RCWA (Windows) - Rigorous coupled-wave analysis; tool developed by Podolskiy Group, UML
- COMSOL (Windows) - Finite element method (FEM)
- Lumerical (Windows) - Finite-difference time-domain (FDTD) and FEM
- MEEP (Unix) - FDTD
- Monte Carlo (Unix) - APD simulations, including noise; tool developed by Campbell Group, UVA
- Band diagramming (Java and Python) - Poisson and Poisson-Schrodinger solvers, e.g. OpenBandParams
Other equipment available through Microelectronics Research Center (NSF-NNCI)
- Processing: III-V and Si processing (litho, ICP/RIE dry etch, metallization, etc), wafer bonding, lapping/polishing, wire bonding, etc.
- Characterization: HR-XRD (rotating anode Rigaku SmartLab), AFM, TEM, Hall Effect, PPMS, C-V, etc.
Advanced energetics
- Espresso - Illy Francis Francis! Model X7.1 IperEspresso Machine
- Pourover (6 cup) - Chemex Classic Series
- French Press (20 oz.) - Bodum Chambord (all-metal construction)
- Jura-Capresso Infinity (commercial-grade conical burr grinder)
- Dairy - Nespresso Aerocinno Plus
Last updated 08/07/2020