1292
The alignment of plate - like barium ferrite nanoparticles , with diameters of 10 - 350 nm and thicknesses of 3 - 10 nm , in electric and / or magnetic fields was studied .
 barium ferrite
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 barium ferrite