In situ intercalation of the layered compounds TiS2, ZrSe2 and VSe2
We report photoelectron spectroscopy studies of the valence band structure of the layered compounds TiS2, ZrSe2, and VSe2, and of changes induced by in situ intercalation with Cs. The pure compounds crystallize with the same structure, the 1T-CdI2 structure, but their electronic properties are diffe...
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| Veröffentlicht in: | Surface science 1995-07, Vol.331-333, p.419-424 |
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| container_title | Surface science |
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| creator | Brauer, H.E. Starnberg, H.I. Holleboom, L.J. Hughes, H.P. |
| description | We report photoelectron spectroscopy studies of the valence band structure of the layered compounds TiS2, ZrSe2, and VSe2, and of changes induced by in situ intercalation with Cs. The pure compounds crystallize with the same structure, the 1T-CdI2 structure, but their electronic properties are different; TiS2 is a narrow-gap semiconductor (Eg ∼ 0.2 eV), ZrSe2 is a semiconductor (Eg ∼ 1 eV) and VSe2 is a semimetal. Despite their different electronic properties, the results show that the character of their valence bands changes from 3D to 2D upon intercalation with Cs. The observed changes, supported by LAPW band calculations, go far beyond the rigid band model. |
| doi_str_mv | 10.1016/0039-6028(95)00301-0 |
| format | Article |
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The pure compounds crystallize with the same structure, the 1T-CdI2 structure, but their electronic properties are different; TiS2 is a narrow-gap semiconductor (Eg ∼ 0.2 eV), ZrSe2 is a semiconductor (Eg ∼ 1 eV) and VSe2 is a semimetal. Despite their different electronic properties, the results show that the character of their valence bands changes from 3D to 2D upon intercalation with Cs. 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The pure compounds crystallize with the same structure, the 1T-CdI2 structure, but their electronic properties are different; TiS2 is a narrow-gap semiconductor (Eg ∼ 0.2 eV), ZrSe2 is a semiconductor (Eg ∼ 1 eV) and VSe2 is a semimetal. Despite their different electronic properties, the results show that the character of their valence bands changes from 3D to 2D upon intercalation with Cs. The observed changes, supported by LAPW band calculations, go far beyond the rigid band model.</description><subject>Angle resolved photoemission</subject><subject>Compound formation</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Electron and ion emission by liquids and solids; impact phenomena</subject><subject>Electron density of states and band structure of crystalline solids</subject><subject>Electron states</subject><subject>Exact sciences and technology</subject><subject>Low index single crystal surfaces</subject><subject>Photoemission and photoelectron spectra</subject><subject>Physics</subject><subject>Surface electronic phenomena</subject><subject>Transition metal dichalcogenides</subject><issn>0039-6028</issn><issn>1879-2758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNo9kEtLAzEUhYMoWKv_wEUWLhQczWPymI0gxUeh4KKDCzchk9zBSJspyVTovze14t3cey6Hw-FD6JKSO0qovCeEN5UkTF834qYIQityhCZUq6ZiSuhjNPm3nKKznL9ImboREzSbR5zDuMUhjpCcXdkxDBEPPR4_Aa_sDhJ47Ib1ZthGn3EbluwWf6QlMGyjx-_lOEcnvV1luPjbU9Q-P7Wz12rx9jKfPS4qYFyNFaOKSEok7-qac6WJ97oGIV2nrCNCUAqaW1XLhoKgnRWaSg-qZuXpup5P0dUhdmNzKdonG13IZpPC2qad4ZLqklFsDwcblCrfAZLJLkB04EMCNxo_BEOJ2YMzeypmT8U0wvyCM4T_AAHvXos</recordid><startdate>19950701</startdate><enddate>19950701</enddate><creator>Brauer, H.E.</creator><creator>Starnberg, H.I.</creator><creator>Holleboom, L.J.</creator><creator>Hughes, H.P.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope></search><sort><creationdate>19950701</creationdate><title>In situ intercalation of the layered compounds TiS2, ZrSe2 and VSe2</title><author>Brauer, H.E. ; Starnberg, H.I. ; Holleboom, L.J. ; Hughes, H.P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e237t-217061063b4433780dd84e56cb7ac05511e83a74691e51ba5816de7423a7cbf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Angle resolved photoemission</topic><topic>Compound formation</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Electron and ion emission by liquids and solids; impact phenomena</topic><topic>Electron density of states and band structure of crystalline solids</topic><topic>Electron states</topic><topic>Exact sciences and technology</topic><topic>Low index single crystal surfaces</topic><topic>Photoemission and photoelectron spectra</topic><topic>Physics</topic><topic>Surface electronic phenomena</topic><topic>Transition metal dichalcogenides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brauer, H.E.</creatorcontrib><creatorcontrib>Starnberg, H.I.</creatorcontrib><creatorcontrib>Holleboom, L.J.</creatorcontrib><creatorcontrib>Hughes, H.P.</creatorcontrib><collection>Pascal-Francis</collection><jtitle>Surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brauer, H.E.</au><au>Starnberg, H.I.</au><au>Holleboom, L.J.</au><au>Hughes, H.P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In situ intercalation of the layered compounds TiS2, ZrSe2 and VSe2</atitle><jtitle>Surface science</jtitle><date>1995-07-01</date><risdate>1995</risdate><volume>331-333</volume><spage>419</spage><epage>424</epage><pages>419-424</pages><issn>0039-6028</issn><eissn>1879-2758</eissn><coden>SUSCAS</coden><abstract>We report photoelectron spectroscopy studies of the valence band structure of the layered compounds TiS2, ZrSe2, and VSe2, and of changes induced by in situ intercalation with Cs. The pure compounds crystallize with the same structure, the 1T-CdI2 structure, but their electronic properties are different; TiS2 is a narrow-gap semiconductor (Eg ∼ 0.2 eV), ZrSe2 is a semiconductor (Eg ∼ 1 eV) and VSe2 is a semimetal. Despite their different electronic properties, the results show that the character of their valence bands changes from 3D to 2D upon intercalation with Cs. The observed changes, supported by LAPW band calculations, go far beyond the rigid band model.</abstract><cop>Lausanne</cop><cop>Amsterdam</cop><cop>New York, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/0039-6028(95)00301-0</doi><tpages>6</tpages></addata></record> |
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| ispartof | Surface science, 1995-07, Vol.331-333, p.419-424 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Angle resolved photoemission Compound formation Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron and ion emission by liquids and solids impact phenomena Electron density of states and band structure of crystalline solids Electron states Exact sciences and technology Low index single crystal surfaces Photoemission and photoelectron spectra Physics Surface electronic phenomena Transition metal dichalcogenides |
| title | In situ intercalation of the layered compounds TiS2, ZrSe2 and VSe2 |
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