EuNdCuS3: Crystal structure of the high-temperature polymorph and properties |
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| Authors: | A V Ruseikina L A Solovyev O V Andreev A A Kislitsyn |
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| Institution: | 1. Tyumen State University, ul. Semakova 10, Tyumen, 625003, Russia
2. Institute of Chemistry and Chemical Engineering, Siberian Branch, Russian Academy of Sciences, ul. Karla Marksa 42, Krasnoyarsk, 660049, Russia
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| Abstract: | The X-ray diffraction structure of the high-temperature polymorph of complex sulfide EuNdCuS3 is determined. The phase we prepared has an orthorhombic structure with the unit cell parameters a = 8.0648(3) Å, b = 4.0207(1) Å, c = 15.7924(3) Å, space group Pnma, Z = 4, Ba2MnS3 type structure. The sample is IR transparent in the range 1800–2800 cm?1. Thermal expansion coefficient is found to experience jumps, which are characteristic of phase transitions. |
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