Related Experiment Video
Updated: Feb 6, 2026

Preparation of CD4+ T Cells for Analysis of GD3 and GD2 Ganglioside Membrane Expression by Microscopy
Published on: November 8, 2016
High-Performance Magnetic Refrigerant Featuring One-Dimensional Gd-O Chains and O-Gd3 Triangles
1Center for Crystal Research and Development, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
Researchers developed a new gadolinium-based magnetic material, Gd5BSi2O13, for advanced cooling. This material shows a significantly large magnetocaloric effect (MCE), making it promising for cryogenic applications in space exploration.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Cryogenics
Background:
- Low-temperature magnetic cooling is crucial for cryogenics and space exploration.
- Developing efficient magnetic refrigerants is key for advanced cooling technologies.
Purpose of the Study:
- To report a novel Gd-based quaternary magnetic refrigerant material, Gd5BSi2O13.
- To investigate its magnetocaloric effect (MCE) for potential cryogenic applications.
Main Methods:
- Synthesis and characterization of Gd5BSi2O13.
- Magnetic measurements to determine the magnetocaloric effect.
- Comparative analysis of Gd-containing compounds with varying structures and Gd concentrations.
Main Results:
- Gd5BSi2O13 exhibits a large magnetocaloric effect (MCE).
- The MCE of Gd5BSi2O13 is approximately 1.74 times that of the standard GGG refrigerant (-ΔSm = 67.0 J kg⁻¹ K⁻¹).
- Structural features like face-shared GdO9 polyhedra and frustrated OGd3 triangles contribute to the large MCE.
Conclusions:
- Gd5BSi2O13 is a promising new magnetic refrigerant material.
- Its large MCE surpasses that of current practical refrigerants.
- Understanding the structure-property relationship aids in designing superior magnetic cooling materials.
Related Concept Videos
Trigonometry of Right Triangles
Refrigerators and Heat Pumps
A household refrigerator removes heat from...
Binomial Expansion Using Pascal's Triangle
Electron Transport Chains
The ETC is comprised of...
Radical Chain-Growth Polymerization: Chain Branching
Dimensional Analysis
Conversion Factors and Dimensional Analysis
The unit...

