Low-temperature sample orienting device with two degrees of freedom.

Area of Science:

• Condensed Matter Physics
• Materials Science
• Experimental Physics

Background:

• Galvanomagnetic measurements require precise sample orientation for accurate characterization of material properties.
• Existing sample holders can be complex to adjust and handle, hindering experimental efficiency.
• Low-temperature environments necessitate robust and reliable sample manipulation techniques.

Purpose of the Study:

• To develop and present a novel rotating sample holder for galvanomagnetic measurements.
• To achieve high precision and reproducibility in sample positioning at low temperatures.
• To offer a user-friendly and efficient alternative to existing sample holder designs.

Main Methods:

• Design and construction of a two-degrees-of-freedom rotating sample holder.
• Integration of the holder into a low-temperature measurement setup.
• Evaluation of angular positioning accuracy and reproducibility.

Main Results:

• The sample holder provides positioning accuracy within 0.5 degrees.
• Reproducibility of sample positioning is better than 0.5 degrees.
• The device demonstrates simple and accurate adjustment, handling, and sample changing.

Conclusions:

• The developed rotating sample holder facilitates precise and efficient galvanomagnetic measurements at low temperatures.
• Its design offers significant advantages in terms of usability and experimental workflow.
• This tool is valuable for researchers investigating electronic and magnetic properties of materials.