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Title: Enhanced magnetic susceptibility in Ti 3 C 2 T x MXene with Co and Ni incorporation

Journal Article · · Nanoscale
DOI:https://doi.org/10.1039/D3NR05685F· OSTI ID:2315070
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [2]; ORCiD logo [1]
  1. Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19014, USA
  2. Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19014, USA, A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, Pennsylvania 19104, USA
  3. Brookhaven National Laboratory, National Synchrotron Light Source II, Upton, New York, 11973, USA

Magnetic nanomaterials are sought to provide new functionalities for applications ranging from information processing and storage to energy generation and biomedical imaging. MXenes are a rapidly growing family of two-dimensional transition metal carbides and nitrides with versatile chemical and structural diversity, resulting in a variety of interesting electronic and optical properties. However, strategies for producing MXenes with tailored magnetic responses remain underdeveloped and challenging. Herein, we incorporate elemental Ni and Co into Ti3C2Tx MXene by mixing with dilute metal chloride solutions. We achieve a uniform distribution of Ni and Co, confirmed by X-ray fluorescence (XRF) mapping with nanometer resolution, with Ni and Co concentrations of approximately 2 and 7 at% relative to the Ti concentration. The magnetic susceptibility of these Ni- and Co-incorporated Ti3C2Tx MXenes is one to two orders of magnitude larger than pristine Ti3C2Tx, illustrating the potential for dilute metal incorporation to enhance linear magnetic responses at room temperature.

Research Organization:
Drexel Univ., Philadelphia, PA (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); National Science Foundation Graduate Research Fellowship
Grant/Contract Number:
SC0018618; SC0012704; DGE-1646737
OSTI ID:
2315070
Alternate ID(s):
OSTI ID: 2324572; OSTI ID: 2336580
Report Number(s):
BNL-225475-2024-JAAM; NANOHL
Journal Information:
Nanoscale, Journal Name: Nanoscale Vol. 16 Journal Issue: 11; ISSN 2040-3364
Publisher:
Royal Society of Chemistry (RSC)Copyright Statement
Country of Publication:
United Kingdom
Language:
English

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