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Title: Evidence of a magnetic transition in atomically thin Cr2TiC2Tx MXene

Abstract

Two-dimensional (2D) transition metal carbides and nitrides known as MXenes have shown attractive functionalities such as high electronic conductivity, a wide range of optical properties, versatile transition metal and surface chemistry, and solution processability. Although extensively studied computationally, the magnetic properties of this large family of 2D materials await experimental exploration. 2D magnetic materials have recently attracted significant interest as model systems to understand low-dimensional magnetism and for potential spintronic applications. Here, we report on synthesis of Cr2TiC2Tx MXene and a detailed study of its magnetic as well as electronic properties. Using a combination of magnetometry, synchrotron X-ray linear dichroism, and field- and angular-dependent magnetoresistance measurements, we find clear evidence of a magnetic transition in Cr2TiC2Tx at approximately 30 K, which is not present in its bulk layered carbide counterpart (Cr2TiAlC2 MAX phase). Overall, this work presents the first experimental evidence of a magnetic transition in a MXene material and provides an exciting opportunity to explore magnetism in this large family of 2D materials.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4];  [5];  [6]; ORCiD logo [7]; ORCiD logo [7]; ORCiD logo [8];  [6]; ORCiD logo [9];  [10];  [4]; ORCiD logo [6]; ORCiD logo [1]
  1. Drexel Univ., Philadelphia, PA (United States). A. J. Drexel Nanomaterials Inst.; Drexel Univ., Philadelphia, PA (United States)
  2. Drexel Univ., Philadelphia, PA (United States). A. J. Drexel Nanomaterials Inst.; Drexel Univ., Philadelphia, PA (United States); Indiana Univ.-Purdue Univ., Indianapolis, IN (United States). Integrated Nanosystems Development Inst.
  3. Advanced Light Source;Lawrence Berkeley National Laboratory;Berkeley;USA
  4. Drexel Univ., Philadelphia, PA (United States); Johns Hopkins Univ., Baltimore, MD (United States)
  5. Drexel Univ., Philadelphia, PA (United States). A. J. Drexel Nanomaterials Inst.; Drexel Univ., Philadelphia, PA (United States); Huazhong Univ. of Science and Technology, Wuhan (China). Wuhan National Lab. for Optoelectronics
  6. Drexel Univ., Philadelphia, PA (United States)
  7. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
  8. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  9. Huazhong Univ. of Science and Technology, Wuhan (China). Wuhan National Lab. for Optoelectronics
  10. Chinese Academy of Sciences (CAS), Beijing (China). Beijing National Lab. for Condensed Matter Physics
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
OSTI Identifier:
1731034
Alternate Identifier(s):
OSTI ID: 1682362
Grant/Contract Number:  
AC05-00OR22725; SC0018618; AC02-05CH11231; DMR-1429661
Resource Type:
Accepted Manuscript
Journal Name:
Nanoscale Horizons
Additional Journal Information:
Journal Volume: 5; Journal Issue: 12; Journal ID: ISSN 2055-6756
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Hantanasirisakul, Kanit, Anasori, Babak, Nemsak, Slavomir, Hart, James L., Wu, Jiabin, Yang, Yizhou, Chopdekar, Rajesh V., Shafer, Padraic, May, Andrew F., Moon, Eun Ju, Zhou, Jun, Zhang, Qinghua, Taheri, Mitra L., May, Steven J., and Gogotsi, Yury. Evidence of a magnetic transition in atomically thin Cr2TiC2Tx MXene. United States: N. p., 2020. Web. doi:10.1039/d0nh00343c.
Hantanasirisakul, Kanit, Anasori, Babak, Nemsak, Slavomir, Hart, James L., Wu, Jiabin, Yang, Yizhou, Chopdekar, Rajesh V., Shafer, Padraic, May, Andrew F., Moon, Eun Ju, Zhou, Jun, Zhang, Qinghua, Taheri, Mitra L., May, Steven J., & Gogotsi, Yury. Evidence of a magnetic transition in atomically thin Cr2TiC2Tx MXene. United States. https://doi.org/10.1039/d0nh00343c
Hantanasirisakul, Kanit, Anasori, Babak, Nemsak, Slavomir, Hart, James L., Wu, Jiabin, Yang, Yizhou, Chopdekar, Rajesh V., Shafer, Padraic, May, Andrew F., Moon, Eun Ju, Zhou, Jun, Zhang, Qinghua, Taheri, Mitra L., May, Steven J., and Gogotsi, Yury. Thu . "Evidence of a magnetic transition in atomically thin Cr2TiC2Tx MXene". United States. https://doi.org/10.1039/d0nh00343c. https://www.osti.gov/servlets/purl/1731034.
@article{osti_1731034,
title = {Evidence of a magnetic transition in atomically thin Cr2TiC2Tx MXene},
author = {Hantanasirisakul, Kanit and Anasori, Babak and Nemsak, Slavomir and Hart, James L. and Wu, Jiabin and Yang, Yizhou and Chopdekar, Rajesh V. and Shafer, Padraic and May, Andrew F. and Moon, Eun Ju and Zhou, Jun and Zhang, Qinghua and Taheri, Mitra L. and May, Steven J. and Gogotsi, Yury},
abstractNote = {Two-dimensional (2D) transition metal carbides and nitrides known as MXenes have shown attractive functionalities such as high electronic conductivity, a wide range of optical properties, versatile transition metal and surface chemistry, and solution processability. Although extensively studied computationally, the magnetic properties of this large family of 2D materials await experimental exploration. 2D magnetic materials have recently attracted significant interest as model systems to understand low-dimensional magnetism and for potential spintronic applications. Here, we report on synthesis of Cr2TiC2Tx MXene and a detailed study of its magnetic as well as electronic properties. Using a combination of magnetometry, synchrotron X-ray linear dichroism, and field- and angular-dependent magnetoresistance measurements, we find clear evidence of a magnetic transition in Cr2TiC2Tx at approximately 30 K, which is not present in its bulk layered carbide counterpart (Cr2TiAlC2 MAX phase). Overall, this work presents the first experimental evidence of a magnetic transition in a MXene material and provides an exciting opportunity to explore magnetism in this large family of 2D materials.},
doi = {10.1039/d0nh00343c},
journal = {Nanoscale Horizons},
number = 12,
volume = 5,
place = {United States},
year = {2020},
month = {10}
}

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