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New high temperature modification of CeTiGe : structural characterization and physical properties
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | CHEVALIER, Bernard | |
| hal.structure.identifier | Institut für Anorganische und Analytische Chemie | |
| dc.contributor.author | HERMES, Wilfried | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | GAUDIN, Etienne | |
| hal.structure.identifier | Institut für Anorganische und Analytische Chemie | |
| dc.contributor.author | PÖTTGEN, Rainer | |
| dc.date.issued | 2010 | |
| dc.identifier.issn | 0953-8984 | |
| dc.description.abstractEn | The new high temperature form (HT) of the ternary germanide CeTiGe was prepared by annealing at 1373 K. The investigation of HT-CeTiGe by x-ray powder diffraction shows that the compound crystallizes in the tetragonal CeScSi type structure (space group <i>I</i>4/<i>mmm</i>; <i>a</i> = 414.95(2) and <i>c</i> = 1590.85(10) pm as unit cell parameters). Electrical resistivity, thermoelectric power, magnetization and specific heat measurements performed down to 2 K on HT-CeTiGe reveal a non-magnetic strongly correlated electron system; the specific heat divided by temperature attains a value of 0.635 J mol<sup> − 1</sup> K<sup> − 2</sup> at 2 K. The comparison of the physical properties of the two crystallographic modifications of CeTiGe suggests a decrease of the hybridization <i>J</i><sub>cf</sub> between 4f(Ce) and conduction electrons in the sequence LT-CeTiGe... | |
| dc.language.iso | en | |
| dc.publisher | IOP Publishing | |
| dc.subject.en | Heat capacity | |
| dc.subject.en | Thermoelectrics | |
| dc.subject.en | Magnetisms | |
| dc.subject.en | Crystal structure | |
| dc.subject.en | Inorganic compounds | |
| dc.title.en | New high temperature modification of CeTiGe : structural characterization and physical properties | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1088/0953-8984/22/14/146003 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Journal of Physics: Condensed Matter | |
| bordeaux.page | 146003 (6p.) | |
| bordeaux.volume | 22 | |
| bordeaux.issue | 14 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00467039 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00467039v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Physics:%20Condensed%20Matter&rft.date=2010&rft.volume=22&rft.issue=14&rft.spage=146003%20(6p.)&rft.epage=146003%20(6p.)&rft.eissn=0953-8984&rft.issn=0953-8984&rft.au=CHEVALIER,%20Bernard&HERMES,%20Wilfried&GAUDIN,%20Etienne&P%C3%96TTGEN,%20Rainer&rft.genre=article |
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