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The optical signature of few-layer ReSe2
Optical properties of thin layers of rhenium diselenide ( ReSe 2) with thicknesses ranging from mono- (1 ML) to nona-layer (9 MLs) are demonstrated. The photoluminescence (PL) and Raman scattering were measured at low ( T = 5 K) and room ( T = 300 K) temperature, respectively. The PL spectra of ReSe...
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Published in: | Journal of applied physics 2020-07, Vol.128 (4) |
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container_issue | 4 |
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container_title | Journal of applied physics |
container_volume | 128 |
creator | Kipczak, Ł. Grzeszczyk, M. Olkowska-Pucko, K. Babiński, A. Molas, M. R. |
description | Optical properties of thin layers of rhenium diselenide (
ReSe
2) with thicknesses ranging from mono- (1 ML) to nona-layer (9 MLs) are demonstrated. The photoluminescence (PL) and Raman scattering were measured at low (
T
=
5
K) and room (
T
=
300
K) temperature, respectively. The PL spectra of
ReSe
2 layers display two well-resolved emission lines, which blueshift by about 120 meV when the layer thickness decreases from 9 MLs to a monolayer. A rich structure of the observed low-energy Raman scattering modes can be explained within a linear chain model. The two phonon modes of intralayer vibrations, observed in Raman scattering spectra at about
120
cm
−
1, exhibit very sensitive and opposite evolution as a function of layer thickness. It is shown that their energy difference can serve as a convenient and reliable tool to determine the thickness of
ReSe
2 flakes in the few-layer limit. |
doi_str_mv | 10.1063/5.0015289 |
format | article |
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ReSe
2) with thicknesses ranging from mono- (1 ML) to nona-layer (9 MLs) are demonstrated. The photoluminescence (PL) and Raman scattering were measured at low (
T
=
5
K) and room (
T
=
300
K) temperature, respectively. The PL spectra of
ReSe
2 layers display two well-resolved emission lines, which blueshift by about 120 meV when the layer thickness decreases from 9 MLs to a monolayer. A rich structure of the observed low-energy Raman scattering modes can be explained within a linear chain model. The two phonon modes of intralayer vibrations, observed in Raman scattering spectra at about
120
cm
−
1, exhibit very sensitive and opposite evolution as a function of layer thickness. It is shown that their energy difference can serve as a convenient and reliable tool to determine the thickness of
ReSe
2 flakes in the few-layer limit.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/5.0015289</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Blue shift ; Optical properties ; Photoluminescence ; Raman spectra ; Rhenium ; Thickness ; Thin films</subject><ispartof>Journal of applied physics, 2020-07, Vol.128 (4)</ispartof><rights>Author(s)</rights><rights>2020 Author(s). Published under license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c327t-ce00eb8490d4c5d012ce56146e8344bf52b614a6492fcb555d233fd55bd811123</citedby><cites>FETCH-LOGICAL-c327t-ce00eb8490d4c5d012ce56146e8344bf52b614a6492fcb555d233fd55bd811123</cites><orcidid>0000-0003-1266-0201 ; 0000-0002-5516-9415 ; 0000-0002-6036-7096 ; 0000-0001-6861-3098 ; 0000-0002-5591-4825</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Kipczak, Ł.</creatorcontrib><creatorcontrib>Grzeszczyk, M.</creatorcontrib><creatorcontrib>Olkowska-Pucko, K.</creatorcontrib><creatorcontrib>Babiński, A.</creatorcontrib><creatorcontrib>Molas, M. R.</creatorcontrib><title>The optical signature of few-layer ReSe2</title><title>Journal of applied physics</title><description>Optical properties of thin layers of rhenium diselenide (
ReSe
2) with thicknesses ranging from mono- (1 ML) to nona-layer (9 MLs) are demonstrated. The photoluminescence (PL) and Raman scattering were measured at low (
T
=
5
K) and room (
T
=
300
K) temperature, respectively. The PL spectra of
ReSe
2 layers display two well-resolved emission lines, which blueshift by about 120 meV when the layer thickness decreases from 9 MLs to a monolayer. A rich structure of the observed low-energy Raman scattering modes can be explained within a linear chain model. The two phonon modes of intralayer vibrations, observed in Raman scattering spectra at about
120
cm
−
1, exhibit very sensitive and opposite evolution as a function of layer thickness. It is shown that their energy difference can serve as a convenient and reliable tool to determine the thickness of
ReSe
2 flakes in the few-layer limit.</description><subject>Applied physics</subject><subject>Blue shift</subject><subject>Optical properties</subject><subject>Photoluminescence</subject><subject>Raman spectra</subject><subject>Rhenium</subject><subject>Thickness</subject><subject>Thin films</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp90E1LxDAQBuAgCtbVg_-g4EWFrpOPaZOjLOsHLAi6nkOaJtplbWvSKvvvreyiB8HTMMPDO_ASckphSiHnVzgFoMik2iMJBamyAhH2SQLAaCZVoQ7JUYyrEVHJVULOl68ubbu-tmadxvqlMf0QxotPvfvM1mbjQvronhw7JgferKM72c0Jeb6ZL2d32eLh9n52vcgsZ0WfWQfgSikUVMJiBZRZhzkVuZNciNIjK8fN5EIxb0tErBjnvkIsK0kpZXxCzra5XWjfBxd7vWqH0IwvNRNM5nnBJB_VxVbZ0MYYnNddqN9M2GgK-rsIjXpXxGgvtzbaujd93TY_-KMNv1B3lf8P_03-AkScaOg</recordid><startdate>20200728</startdate><enddate>20200728</enddate><creator>Kipczak, Ł.</creator><creator>Grzeszczyk, M.</creator><creator>Olkowska-Pucko, K.</creator><creator>Babiński, A.</creator><creator>Molas, M. R.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-1266-0201</orcidid><orcidid>https://orcid.org/0000-0002-5516-9415</orcidid><orcidid>https://orcid.org/0000-0002-6036-7096</orcidid><orcidid>https://orcid.org/0000-0001-6861-3098</orcidid><orcidid>https://orcid.org/0000-0002-5591-4825</orcidid></search><sort><creationdate>20200728</creationdate><title>The optical signature of few-layer ReSe2</title><author>Kipczak, Ł. ; Grzeszczyk, M. ; Olkowska-Pucko, K. ; Babiński, A. ; Molas, M. R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-ce00eb8490d4c5d012ce56146e8344bf52b614a6492fcb555d233fd55bd811123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Applied physics</topic><topic>Blue shift</topic><topic>Optical properties</topic><topic>Photoluminescence</topic><topic>Raman spectra</topic><topic>Rhenium</topic><topic>Thickness</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kipczak, Ł.</creatorcontrib><creatorcontrib>Grzeszczyk, M.</creatorcontrib><creatorcontrib>Olkowska-Pucko, K.</creatorcontrib><creatorcontrib>Babiński, A.</creatorcontrib><creatorcontrib>Molas, M. R.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kipczak, Ł.</au><au>Grzeszczyk, M.</au><au>Olkowska-Pucko, K.</au><au>Babiński, A.</au><au>Molas, M. R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The optical signature of few-layer ReSe2</atitle><jtitle>Journal of applied physics</jtitle><date>2020-07-28</date><risdate>2020</risdate><volume>128</volume><issue>4</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>Optical properties of thin layers of rhenium diselenide (
ReSe
2) with thicknesses ranging from mono- (1 ML) to nona-layer (9 MLs) are demonstrated. The photoluminescence (PL) and Raman scattering were measured at low (
T
=
5
K) and room (
T
=
300
K) temperature, respectively. The PL spectra of
ReSe
2 layers display two well-resolved emission lines, which blueshift by about 120 meV when the layer thickness decreases from 9 MLs to a monolayer. A rich structure of the observed low-energy Raman scattering modes can be explained within a linear chain model. The two phonon modes of intralayer vibrations, observed in Raman scattering spectra at about
120
cm
−
1, exhibit very sensitive and opposite evolution as a function of layer thickness. It is shown that their energy difference can serve as a convenient and reliable tool to determine the thickness of
ReSe
2 flakes in the few-layer limit.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0015289</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-1266-0201</orcidid><orcidid>https://orcid.org/0000-0002-5516-9415</orcidid><orcidid>https://orcid.org/0000-0002-6036-7096</orcidid><orcidid>https://orcid.org/0000-0001-6861-3098</orcidid><orcidid>https://orcid.org/0000-0002-5591-4825</orcidid></addata></record> |
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language | eng |
recordid | cdi_scitation_primary_10_1063_5_0015289 |
source | American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list) |
subjects | Applied physics Blue shift Optical properties Photoluminescence Raman spectra Rhenium Thickness Thin films |
title | The optical signature of few-layer ReSe2 |
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