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author:

Wang, B. (Wang, B..) [1] | Yao, Y. (Yao, Y..) [2] | Hong, W. (Hong, W..) [3] | Hong, Z. (Hong, Z..) [4] | He, X. (He, X..) [5] | Wang, T. (Wang, T..) [6] | Jian, C. (Jian, C..) [7] | Ju, Q. (Ju, Q..) [8] | Cai, Q. (Cai, Q..) [9] | Sun, Z. (Sun, Z..) [10] | Liu, W. (Liu, W..) [11]

Indexed by:

Scopus

Abstract:

2D Fe-chalcogenides have drawn significant attention due to their unique structural phases and distinct properties in exploring magnetism and superconductivity. However, it remains a significant challenge to synthesize 2D Fe-chalcogenides with specific phases in a controllable manner since Fe-chalcogenides have multiple phases. Herein, a molecular sieve-assisted strategy is reported for synthesizing ultrathin 2D iron sulfide on substrates via the chemical vapor deposition method. Using a molecular sieve and tuning growth temperatures to control the partial pressures of precursor concentrations, hexagonal FeS, tetragonal FeS, and non-stoichiometric Fe7S8 nanoflakes can be precisely synthesized. The 2D h-FeS, t-FeS, and Fe7S8 have high conductivities of 5.4 × 105 S m−1, 5.8 × 105 S m−1, and 1.9 × 106 S m−1. 2D tetragonal FeS shows a superconducting transition at 4 K. The spin reorientation at ≈30 K on the non-stoichiometric Fe7S8 nanoflakes with ferrimagnetism up to room temperature has also been observed. The controllable synthesis of various phases of 2D iron sulfide may provide a route for synthesizing other 2D compounds with various phases. © 2023 Wiley-VCH GmbH.

Keyword:

chemical vapor deposition iron sulfide magnetic materials superconductivity two-dimensional

Community:

  • [ 1 ] [Wang, B.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Wang, B.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 3 ] [Yao, Y.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Yao, Y.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 5 ] [Hong, W.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 6 ] [Hong, Z.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Hong, Z.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 8 ] [He, X.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 9 ] [Wang, T.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 10 ] [Wang, T.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 11 ] [Jian, C.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 12 ] [Ju, Q.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 13 ] [Cai, Q.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 14 ] [Sun, Z.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 15 ] [Sun, Z.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
  • [ 16 ] [Liu, W.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 17 ] [Liu, W.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China

Reprint 's Address:

  • [Hong, W.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, China;;[He, X.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, China;;[Liu, W.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, China

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Source :

Small

ISSN: 1613-6810

Year: 2023

Issue: 23

Volume: 19

1 3 . 0

JCR@2023

1 3 . 0 0 0

JCR@2023

ESI HC Threshold:49

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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