An Ultra-Low Current-Voltage Characterization Setup is a state-of-the-art system designed for the precise measurement of extremely low currents and voltages. This setup is indispensable for research in nanotechnology, material science, and quantum computing, where electrical properties often fall within the pico- to femto-ampere and micro- to nano-volt ranges.
Technical Characteristics
Current Measurement Range: As low as 10 fA (femto-amperes) to 100 mA.
Voltage Measurement Range: From 1 nV (nano-volts) to 20 V.
Resolution: Current resolution down to 1 fA; Voltage resolution down to 0.1 nV.
Sampling Rate: Up to 1 MHz for high-speed data acquisition.
Input Impedance: Greater than 10^13 Ω, ensuring minimal loading effects.
Noise Level: Less than 5 fA RMS noise for current and less than 0.5 nV RMS noise for voltage.
Temperature Control: Capable of operating in a temperature range of 4 K to 400 K.
Bandwidth: DC to 100 kHz, extendable to 1 MHz with optional modules.
Key Features
High Sensitivity: Ultra-sensitive ammeters and voltmeters for accurate low-level measurements.
Low Noise: Advanced shielding and grounding to minimize electrical noise.
High-Speed Data Acquisition: Capable of capturing rapid changes in current and voltage.
Automated Probing: Precision automated or semi-automated probing stations.
Temperature Control: Cryogenic or high-temperature chambers for variable thermal conditions.
Software-Controlled: Customizable software for automated sequences and data analysis.
Modular Design: Allows for additional capabilities like impedance spectroscopy or magnetic field application.
Applications
Semiconductor Research: Characterization of semiconductor materials and devices.
Nanotechnology: Electrical behavior of nanomaterials like carbon nanotubes and 2D materials.
Biomedical Research: Study of ion channels and bio-electrical phenomena.
Material Science: Electrical properties of insulators, superconductors, and other advanced materials.
Quantum Computing: Characterization of qubits and other quantum devices.
Energy Harvesting: Efficiency studies of low-current and low-voltage generating devices.
The Ultra-Low Current-Voltage Characterization Setup is a critical tool for advanced research, offering unparalleled precision in measuring extremely low currents and voltages. Its technical specifications make it a must-have for any cutting-edge research facility.