The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2022
Filed:
Jan. 06, 2020
Harbin Institute of Technology, Shenzhen, Shenzhen, CN;
Huanhuan Feng, Shenzhen, CN;
Yuhuan Liu, Shenzhen, CN;
Xing Ma, Shenzhen, CN;
Tingting Zheng, Shenzhen, CN;
Weiwei Zhao, Shenzhen, CN;
Jiaheng Zhang, Shenzhen, CN;
Harbin Institute Of Technology, Shenzhen, CN;
Abstract
The present invention relates to a process for preparing a rodlike magnetic ferroferric oxide (FeO) material and use thereof. The preparation includes the following steps: step 1: magnetic Fe3O4 nanoparticle preparation; and step 2: self-assembly of magnetic Fe3O4@SiO2 nanoparticles into a rodlike magnetic material. When in use, the rodlike magnetic FeOmaterial prepared by the process according to claimis used in micro- and nano-motors, which can implement rotation and deflection in an external magnetic field. The present invention provides a process for preparing a rodlike magnetic FeOmaterial. The rodlike magnetic ferroferric oxide material prepared by the process is suitable for mass production on an industrial scale, featuring identifiable direction of the magnetic moment, strong magnetism, good magnetic response, simple process, and low cost.