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Ludwiczak K, Da̧browska AK, Binder J, Tokarczyk M, Iwański J, Kurowska B, Turczyński J, Kowalski G, Bożek R, Stȩpniewski R, Pacuski W, Wysmołek A. Heteroepitaxial Growth of High Optical Quality, Wafer-Scale van der Waals Heterostrucutres. ACS APPLIED MATERIALS & INTERFACES 2021; 13:47904-47911. [PMID: 34606228 PMCID: PMC8517960 DOI: 10.1021/acsami.1c11867] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 09/16/2021] [Indexed: 05/05/2023]
Abstract
Transition metal dichalcogenides (TMDs) are materials that can exhibit intriguing optical properties like a change of the bandgap from indirect to direct when being thinned down to a monolayer. Well-resolved narrow excitonic resonances can be observed for such monolayers although only for materials of sufficient crystalline quality and so far mostly available in the form of micrometer-sized flakes. A further significant improvement of optical and electrical properties can be achieved by transferring the TMD on hexagonal boron nitride (hBN). To exploit the full potential of TMDs in future applications, epitaxial techniques have to be developed that not only allow the growth of large-scale, high-quality TMD monolayers but also allow the growth to be performed directly on large-scale epitaxial hBN. In this work, we address this problem and demonstrate that MoSe2 of high optical quality can be directly grown on epitaxial hBN on an entire 2 in. wafer. We developed a combined growth theme for which hBN is first synthesized at high temperature by metal organic vapor phase epitaxy (MOVPE) and as a second step MoSe2 is deposited on top by molecular beam epitaxy (MBE) at much lower temperatures. We show that this structure exhibits excellent optical properties, manifested by narrow excitonic lines in the photoluminescence spectra. Moreover, the material is homogeneous on the area of the whole 2 in. wafer with only ±0.14 meV deviation of excitonic energy. Our mixed growth technique may guide the way for future large-scale production of high quality TMD/hBN heterostructures.
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Affiliation(s)
- Katarzyna Ludwiczak
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | | | - Johannes Binder
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | - Mateusz Tokarczyk
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | - Jakub Iwański
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | - Bogusława Kurowska
- Institute
of Physics Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
| | - Jakub Turczyński
- Institute
of Physics Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
| | - Grzegorz Kowalski
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | - Rafał Bożek
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | - Roman Stȩpniewski
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | - Wojciech Pacuski
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
| | - Andrzej Wysmołek
- Faculty
of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland
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Zhang Y, Shinokita K, Watanabe K, Taniguchi T, Goto M, Kan D, Shimakawa Y, Moritomo Y, Nishihara T, Miyauchi Y, Matsuda K. Controllable Magnetic Proximity Effect and Charge Transfer in 2D Semiconductor and Double-Layered Perovskite Manganese Oxide van der Waals Heterostructure. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2003501. [PMID: 33118213 DOI: 10.1002/adma.202003501] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/30/2020] [Indexed: 05/27/2023]
Abstract
Optically generated excitonic states (excitons and trions) in transition metal dichalcogenides are highly sensitive to the electronic and magnetic properties of the materials underneath. Modulation and control of the excitonic states in a novel van der Waals (vdW) heterostructure of monolayer MoSe2 on double-layered perovskite Mn oxide ((La0.8 Nd0.2 )1.2 Sr1.8 Mn2 O7 ) is demonstrated, wherein the Mn oxide transforms from a paramagnetic insulator to a ferromagnetic metal. A discontinuous change in the exciton photoluminescence intensity via dielectric screening is observed. Further, a relatively high trion intensity is discovered due to the charge transfer from metallic Mn oxide under the Curie temperature. Moreover, the vdW heterostructures with an ultrathin h-BN spacer layer demonstrate enhanced valley splitting and polarization of excitonic states due to the proximity effect of the ferromagnetic spins of Mn oxide. The controllable h-BN thickness in vdW heterostructures reveals a several-nanometer-long scale of charge transfer as well as a magnetic proximity effect. The vdW heterostructure allows modulation and control of the excitonic states via dielectric screening, charge carriers, and magnetic spins.
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Affiliation(s)
- Yan Zhang
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Keisuke Shinokita
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Kenji Watanabe
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Takashi Taniguchi
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Masato Goto
- Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Daisuke Kan
- Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Yuichi Shimakawa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Yutaka Moritomo
- Graduate School of Pure & Applied Science and Faculty of Pure & Applied Science, University of Tsukuba, Tsukuba, Ibaraki, 305-7571, Japan
| | - Taishi Nishihara
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Yuhei Miyauchi
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Kazunari Matsuda
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan
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Zhumagulov YV, Vagov A, Gulevich DR, Faria Junior PE, Perebeinos V. Trion induced photoluminescence of a doped MoS2 monolayer. J Chem Phys 2020; 153:044132. [DOI: 10.1063/5.0012971] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Yaroslav V. Zhumagulov
- ITMO University, St. Petersburg 197101, Russia
- University of Regensburg, Regensburg 93040, Germany
| | | | | | | | - Vasili Perebeinos
- ITMO University, St. Petersburg 197101, Russia
- Department of Electrical Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
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