SMU
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What type of measurements are done with an SMU?
IV curve tracing: SMUs excel in tracing IV curves, allowing for detailed analysis of how a device responds to varying voltage levels. This capability is particularly essential in understanding the performance characteristics of electronic components.
jV (current density - voltage): SMUs enable the measurement of jV, which refers to the relationship between current density and voltage. This type of measurement is crucial in materials science and device physics, providing valuable data for research and development.
Logging of voltage of current over time: This capability is essential for monitoring and analyzing the stability and performance of electronic components over extended periods.
Combining two SMUs enables the measurement of transistors, presenting a powerful and versatile setup for in-depth analysis.
Which measurement modes are possible?
Voltage: Measures the voltage across a device or component under test.
Current: Measures the current flowing through a device or component.
Resistance: Measures the electrical resistance of a component.
SMU Application Fields
Semiconductors Industry: SMUs enable precise measurements of voltage, current, and resistance, essential for assessing the performance of semiconductor components.
Materials Research and Testing: SMUs facilitate the measurement of resistance, conductivity, and other electrical characteristics, aiding researchers in understanding material behavior.
Bioelectronics, nanoelectronics, batteries, memory testing: In bioelectronics, SMUs play a role in measuring and characterizing electronic components used in biological applications. In nanoelectronics, SMUs are instrumental in evaluating and testing nanoscale devices. Additionally, they are employed in memory testing to assess the electrical properties of memory devices.
Resistive Sensors: SMUs can precisely measure the resistance of sensors used in various applications, such as temperature sensors, strain gauges, and gas sensors.
What are important specifications?
Accuracy: High accuracy is crucial for precise measurements and sourcing of voltage and current.
Resolution: Refers to the smallest change in voltage or current that the SMU can detect or source.
Stability: Stability will describe any short-term or long-term deviation of the voltage source from its set point over a stated period and at a stated temperature range.
Range: A wide measurement and sourcing range enhances the versatility of the SMU.
Output Resistance: The output resistance should be low to minimize voltage drops and ensure accurate sourcing.Response time: Response time is the time it takes for the SMU to settle and stabilize after a change in the output conditions.
Maximum voltage/current: The highest voltage or current level that the SMU can source or measure safely.
Measurement Resolution: The highest voltage or current level that the SMU can source or measure safely.
SMUs and SweepMe!
Easy Integration: Integrating Source-Measure-Units with SweepMe! is straightforward: Start the Software, load the driver, and start measuring.
Custom Interfaces: Accessing and displaying data captured from Source-Measure-Units in SweepMe! is effortlessly streamlined, particularly when showcasing IV charts.
Device Combination: SweepMe! can easily combine two or more SMUs to characterize devices with multiple contacts such as transistors e.g. MOSFET, JFET, bipolar transistor, OFET, organic electrochemical transistor, transistor with 2D materials, ...
SweepMe! in practice
SMU in real measurement setups
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SMU support and integration
Built from real lab practice
SweepMe! was founded in 2018 by Dr. Axel Fischer and Dr. Felix Kaschura after their PhDs in applied physics. Since then the company has grown into a service oriented partner for industry and research alike, and more than 100 companies and research institutes run their measurements with SweepMe! today. We know what a measurement setup has to deliver, we make the technology work for you, and we understand the science behind your data.