Ba4YZr3F23 and Ba4LnZr3F23 : a new noncentrosymmetric potential host structure type for optical devices
The first ternary BaF2-Ln(Y)F3-ZrF4 phases crystallizing near the composition range of fluoride glasses, namely Ba4YZr3F23 (barium yttrium fluoridozirconate) and isotypic Ba4LnZr3F23 (Ln = Yb, Er and Nd), have been synthesized. The crystal structure of Ba4YZr3F23 cannot be correctly determined in the centrosymmetric space group Pnma (R1 = 0.09); it is preferably described in the noncentrosymmetric space group Pn21a (R1 = 0.028). All cations are located at y = 0.25-0.29 and 0.75-0.79. This new structure type is formed by infinite {[YZr3F23]8-}n columns associating, along [001], YF9 tricapped trigonal prisms, ZrF8 dodecahedra and ZrF7 polyhedra. These columns are interconnected via BaF10+1 and BaF12 irregular polyhedra.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:75 |
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| Enthalten in: |
Acta crystallographica. Section C, Structural chemistry - 75(2019), Pt 11 vom: 01. Nov., Seite 1488-1493 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Laval, Jean Paul [VerfasserIn] |
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| Links: |
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| Themen: |
Barium yttrium fluoridozirconate |
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| Anmerkungen: |
Date Completed 13.11.2019 Date Revised 13.11.2019 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1107/S2053229619013081 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM302909567 |
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| 245 | 1 | 0 | |a Ba4YZr3F23 and Ba4LnZr3F23 |b a new noncentrosymmetric potential host structure type for optical devices |
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| 500 | |a Date Revised 13.11.2019 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a The first ternary BaF2-Ln(Y)F3-ZrF4 phases crystallizing near the composition range of fluoride glasses, namely Ba4YZr3F23 (barium yttrium fluoridozirconate) and isotypic Ba4LnZr3F23 (Ln = Yb, Er and Nd), have been synthesized. The crystal structure of Ba4YZr3F23 cannot be correctly determined in the centrosymmetric space group Pnma (R1 = 0.09); it is preferably described in the noncentrosymmetric space group Pn21a (R1 = 0.028). All cations are located at y = 0.25-0.29 and 0.75-0.79. This new structure type is formed by infinite {[YZr3F23]8-}n columns associating, along [001], YF9 tricapped trigonal prisms, ZrF8 dodecahedra and ZrF7 polyhedra. These columns are interconnected via BaF10+1 and BaF12 irregular polyhedra | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a barium yttrium fluoridozirconate | |
| 650 | 4 | |a crystal structure | |
| 650 | 4 | |a fluoride glass | |
| 650 | 4 | |a zirconium fluoride | |
| 700 | 1 | |a Taoudi, Abdelkrim |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Acta crystallographica. Section C, Structural chemistry |d 2014 |g 75(2019), Pt 11 vom: 01. Nov., Seite 1488-1493 |w (DE-627)NLM234244895 |x 2053-2296 |7 nnns |
| 773 | 1 | 8 | |g volume:75 |g year:2019 |g number:Pt 11 |g day:01 |g month:11 |g pages:1488-1493 |
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