¹²⁵Te and¹³⁹La NMR Studies of Single Crystal LaTe₃

Interplay between charge density wave order and magnetic field in the nonmagnetic rare-earth tritelluride LaTe3

“…Quasi-two-dimensional rare-earth (R) tritellurides RTe 3 , where R=Y, La-Sm, Gd-Tm, have attracted significant interest due to the existence of CDW order [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] in a metal without the complications arising from a proximity to correlation-driven Mott transition and strong attendant magnetic fluctuations. These materials crystallize into a weakly orthorhombic (pseudo-tetragonal) structure consisting of double layers of square-planar Te sheets separated by corrugated RTe slabs [5,[13][14][15]17].…”

“…The long b-axis is perpendicular to the Te planes. LaTe 3 is a representative member of the above mentioned class of compounds with charge density wave transition temperature T cdw presumed to be higher than 400 K [14] and has been characterized using transmission electron microscopy [7], NMR [11], angle-resolved photoemission spectroscopy (ARPES) [13], band-structure calculation, de Haas-van Alphen oscillations [14], preliminary transport [10,16,18,19], and thermodynamic properties [10]. Hitherto, these studies have sought mainly to understand the CDWinduced lattice modulation and accompanying Fermi surface reconstruction.…”