Related Experiment Video
Updated: Jun 4, 2026
05:15
An Aptamer-based Sensor for Unchelated Gadolinium(III)
Published on: January 9, 2017
Gadolinium ytterbium trifluoride, Gd0.81Yb0.19F3
Valentyn Vasyliev1, Encarnacion G Villora, Masaru Nakamura
1Frequency Conversion Group, Optronic Materials Center, National Institute for Materials Science, Tsukuba, Ibaraki, Japan. vasyliev.valentyn@nims.go.jp
Acta Crystallographica. Section C, Crystal Structure Communications
|February 3, 2011
Summary
Researchers successfully grew a new gadolinium ytterbium trifluoride crystal using the Czochralski technique. This novel material maintains its crystal structure at room temperature, unlike its components, offering enhanced stability for potential applications.
Area of Science:
- Materials Science
- Crystallography
- Inorganic Chemistry
Background:
- Gadolinium trifluoride (GdF3) and ytterbium trifluoride (YbF3) exhibit high-temperature phase transitions.
- Understanding the structural stability of mixed rare-earth trifluorides is crucial for materials development.
Purpose of the Study:
- To synthesize and characterize a novel mixed gadolinium ytterbium trifluoride compound.
- To investigate the crystallographic stability of Gd(0.81)Yb(0.19)F3 at room temperature.
Main Methods:
- Single crystal growth via the Czochralski technique.
- Crystallographic analysis to determine structural properties and phase transitions.
Main Results:
- Successfully grew Gd(0.81)Yb(0.19)F3 single crystals.
- The mixed trifluoride maintains its crystallographic structure upon cooling to room temperature.
- The crystal exhibits a high density, is transparent, and colorless, melting noncongruently at ~1413 K.
Conclusions:
- The enhanced stability of Gd(0.81)Yb(0.19)F3 is attributed to a mean cationic radius similar to Tb3+.
- The random distribution of Gd3+ and Yb3+ ions on a single site contributes to the observed structural resilience.
- This new material shows potential for applications requiring stable crystalline structures.
