English
 
User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT

Released

Journal Article

Crystal Growth and Crystal Structure of EuPtIn4

MPS-Authors
/persons/resource/persons132116

Kushwaha,  Pallavi
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

Locator
There are no locators available
Fulltext (public)
There are no public fulltexts available
Supplementary Material (public)
There is no public supplementary material available
Citation

Kushwaha, P., Thamizhavel, A., Nigam, A. K., & Ramakrishnan, S. (2014). Crystal Growth and Crystal Structure of EuPtIn4. Crystal Growth & Design, 14(6), 2747-2752. doi:10.1021/cg401864p.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-DB27-4
Abstract
A single crystal of the indium-rich intermetallic compound EuPtIn4 has been grown by a high-temperature solution growth method, with molten indium as solvent. The crystal structure of the compound was solved from the single crystal X-ray diffraction data and it is found that EuPtIn4 crystallizes in the orthorhombic crystal structure with the space group Cmcm. The estimated lattice constants are a = 4.5300(7) angstrom, b = 16.904(3) angstrom, and c = 7.3601(12) angstrom with the unit cell volume V = 563.60(15) angstrom(3). There are four formula units per unit cell (Z = 4), and the R-parameters are R = 0.0390 and wR(2) = 0.1033 for 496 unique reflections. A comparison of lattice constants with those of isostructural SrPtIn4, LaPtIn4, EuPtIn4, and eYbPtIn(4) indicates that the radius of the rare-earth ion decides the indium octahedra distortion in the bc-plane. This leads to nonmonotonic variation in b and c parameters from the early to the late rare earth element based compounds. EuPtIn4 is a highly conducting material, with a room temperature resistivity of 25 mu Omega.cm. Low-temperature resistivity, magnetization, and heat capacity measurements show two antiferromagnetic transitions near 13 and 5.5 K. From the heat capacity data it was observed that EuPtIn4 has a large Sommerfeld coefficient (gamma), which was estimated to be 725 mJ/K-2.mol.