Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2016 Nov 23;6(11):221. doi: 10.3390/nano6110221

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2016 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

(a) TEM image of flower-like Au-Fe₃O₄ nanoparticles. Inset shows a high resolution transmission electron microscopy (HRTEM) image of dumbbell-like Au-Fe₃O₄ nanoparticles. Reproduced with permission from [37]. Copyright IOP Publishing, 2014. (b) Temperature dependence of exchange bias field (H_E) for the flower-like Au-Fe₃O₄ nanoparticles and its inset shows the FM hysteresis loops for the bare Fe₃O₄, dumbbell- and flower-like Au-Fe₃O₄ nanoparticles [37]. (c) TEM image of flower-like Ag-Fe₃O₄ nanoparticles (the diameter of Ag is ~45 nm and the diameter of Fe₃O₄ is ~20 nm); and (d) the FC hysteresis loops of these nanoparticles.