Equipments

1. Calculation Resource

Cluster Node

Cluster Node TMD5
- Specification: Intel® Xeon® E5-2650 v4 Broadwell EP 2.2 GHz 12 cores/CPU, 2 CPUs/node, DDR4 PC4-19200 ECC/REG 128 GiB/node, total 11 nodes with Mellanox 56Gb/s FDR Infiniband networks. Total performance: 9,292.8 DP GFLOPS.
- Purpose: Large size of heterogeneous structure calculation with LDA or PBE pseudopotential, simple basic calculation of bulk structure with hybrid functional method.

Cluster Node TMD6
- Specification nodes 1: Intel® Xeon® Gold 6254 Cascade Lake-SP 3.1 GHz 18 cores/CPU, 2 CPUs/node, DDR4 PC4-21300 ECC/REG 384 GiB/node, total 4 nodes.
- Specification nodes 2: Intel® Xeon® Platinum 8358 Ice Lake-SP 2.6 GHz 32 cores/CPU, 2 CPUs/node, DDR4 PC4-25600 ECC/REG 512 GiB/node, total 2 nodes.
Total 6 nodes with Gigabit Ethernet networks. Total performance: 24,934.4 DP GFLOPS.
- Purpose: Large size of heterogeneous structure calculation with LDA or PBE pseudopotential, simple basic calculation of bulk structure with hybrid functional method.

Cluster Node miruware
- Specification: AMD EPYC™ 7302 3.0 GHz 16 cores/CPU, 2 CPUs/node, DDR4 PC4-25600 ECC/REG 512 GiB, nVIDIA RTX A6000, total 8 GPU/node. Performance: 309.68 SP TFLOPS.
- Purpose: Machine learning.

Workstation

Windows Workstation EMD_COMSOL
- Specification: AMD Ryzen™ 7 1700 3.0 GHz 8 cores, DDR4 PC4-25600 128 GiB. Performance: 192 DP GFLOPS.
- Purpose: Finite element method simulation.

Linux Workstation EMD_GPU
- Specification: Intel® Core™ i7-9800X 3.8 GHz 8 cores, DDR4 PC4-19200 64 GiB, nVIDIA GeForce® RTX 2080 Ti, total 2 GPUs with NVLink bridge. Performance: 23.5 SP TFLOPS.
- Purpose: Machine learning.

Linux Workstation EMD_GPU2
- Specification: AMD Ryzen™ ThreadRipper Pro 3975WX 3.5 GHz 32 cores, DDR4 PC4-25600 ECC/REG 128 GiB, nVIDIA RTX A5000, total 2 GPUs with NVLink bridge. Performance: 55.54 SP TFLOPS.
- Purpose: Machine learning.

2. Growth and Fabrication


MBE
KrF Excimer Laser
A-Chamber(Combinatorial)
B-Chamber
Sputter
E-beam Evaporator KVE-3004SM
Mask Aligner
Hall measurement system with 9T superconducting magnet
Low-temp probe station
Probe station
Muffle Furnace
Tube Furnace
Drying Oven
Spin Coater
Impedance/gain-phase analyzer Solartron SI 1260
Impedance/gain-phase analyzer hp 4194A
Impedance/material analyzer hp 4291B
Pulse Generation Agilent 81101A
Eletrometer/high resistance system Keithley 6517A
-Measures resistances up to 1016Ω
-1fA-20mA current measurement range
-< 20μV burden voltage on lowest current ranges
-200TW input impedance
-< 3fA bias current
-Up to 125 rdgs/s
-0.75fA p-p noise
-Built-in ±1kV voltage source
-Unique voltage reversal method for high resistance measurements
-Optional plug-in scanner cards
Source Meter Keithley 2400
Temperature Controller Lakeshore 331
Universal Counter EZ FC-7015U
Programmable current source Keithley 224
Oscilloscope Tektronix TDS 2014B