Arzoo Z. Sharma

Magnetic frustration in lead pyrochlores

The rich phase diagrams of magnetically frustrated pyrochlores have maintained a high level of interest over the past 20 years. To experimentally explore these phase diagrams requires a means of tuning the relevant interactions. One approach to achieve this is chemical pressure, that is, varying the size of the nonmagnetic cation. Here, we report on the family of lead-based pyrochlores

Order/Disorder and in Situ Oxide Defect Control in the Bixbyite Phase YPrO3+δ (0 ≤ δ < 0.5).

{A}_{2}{\text{Pb}}_{2}{\text{O}}_{7}

Frustrated magnetism in the double perovskite L a 2 LiOs O 6 : A comparison with L a 2 LiRu O 6

(

Noncentrosymmetric rare-earth copper gallium chalcogenides RE3CuGaCh7 (RE=La–Nd; Ch=S, Se): An unexpected combination

A

Magnetic ground states in the three Os6+(5d2) double perovskites Ba2MOsO6(M=Mg,Zn,and Cd) from Néel order to its suppression

= Pr, Nd, Gd), which we have characterized with magnetic susceptibility and specific heat. Lead is the largest known possible

Relief of frustration in the Heisenberg pyrochlore antiferromagnetGd2Pt2O7

B

Structure and magnetic properties of new Be-substituted langasites A3Ga3Ge2BeO14 (A=Pr, Nd, and Sm)

-site cation for the pyrochlore lattice. Thus, these materials significantly expand the phase space of the frustrated pyrochlores.

Structure and Magnetic Properties of KRuO4

{\text{Pr}}_{2}{\text{Pb}}_{2}{\text{O}}_{7}

Sub-Kelvin magnetic order in Sm3Ga5O12 single crystal

has an absence of long-range magnetic order down to 400 mK and a spin-ice-like heat capacity anomaly at 1.2 K. Thus,

Rhodium(II) dimers without metal–metal bonds

{\text{Pr}}_{2}{\text{Pb}}_{2}{\text{O}}_{7}