Novel catalytic properties of quadruple perovskites

I Yamada - Science and Technology of advanced MaTerialS, 2017 - Taylor & Francis
Quadruple perovskite oxides AA′ 3 B 4O12 demonstrate a rich variety of structural and
electronic properties. A large number of constituent elements for A/A′/B-site cations can be …

A Sequential Electron Doping for Quadruple Perovskite Oxides ACu3Co4O12 (A = Ca, Y, Ce)

I Yamada, T Odake, A Tanaka, Y Okazaki… - Inorganic …, 2020 - ACS Publications
A novel quadruple perovskite oxide CeCu3Co4O12 has been synthesized in high-pressure
and high-temperature conditions of 12 GPa and 1273 K. Rietveld refinement of the …

LaMn3Rh4O12: An Antiferromagnetic Quadruple Perovskite Synthesized at High Pressure

M Wu, CE Frank, Y Han, M Croft, D Walker… - Inorganic …, 2019 - ACS Publications
A quadruple perovskite LaMn3Rh4O12 with A′= Mn and B= 4 d transition metal was
synthesized at high pressure (8 GPa) and temperature (1423 K) for the first time. Room …

First-principles study of structural, electronic and magnetic properties of A-site-ordered quadruple perovskite LaMn3Rh4O12

Y Tian, Z Ge, A Sun, W Song, H Li - Materials Science in Semiconductor …, 2021 - Elsevier
The introduction of magnetic ions at A-site is a typical modification in traditional ABO 3
perovskite materials to achieve the target physical properties. Here, the impact of Mn 3+ …

Direct observation of the partial valence transition of Cu in the A-site ordered LaCu3Fe4O12-δ by soft X-ray absorption spectroscopy

YY Chin, HJ Lin, Z Hu, Y Shimakawa… - Physica B: Condensed …, 2019 - Elsevier
A negative-thermal-expansion-like volume contraction in LaCu 3 Fe 4 O 12-δ was proposed
to result from an inter-site charge transfer between Fe and Cu, namely from Cu 3+-Fe 3+ at …

Stabilization of -site ordered perovskites and formation of spin-half antiferromagnetic lattice: and

JK Bidika, A Chauhan, BRK Nanda - Physical Review B, 2022 - APS
A-site ordered perovskites, CaCu 3 B 4 O 12, which are derivatives of conventional ABO 3
perovskites, exhibit varying electronic and magnetic properties. With the objective of …

A Novel Diamagnetic Insulating Quadruple Perovskite Oxide YCu3Rh4O12

I Yamada, Y Kato, H Nakajima, H Ikeno, S Mori… - Materials …, 2023 - jstage.jst.go.jp
A novel oxide YCu 3 Rh 4 O 12 has been obtained using high-pressure and high-
temperature conditions of 12 GPa and 1573 K. Electron diffraction and synchrotron X-ray …

Low temperature magnetocaloric properties of RE2/3Cu3Ti4O12 (RE= La, Ho and Dy) systems

K Vinod, AT Satya, NR Ravindran… - Materials Research …, 2019 - iopscience.iop.org
Abstract Polycrystalline RE 2/3 Cu 3 Ti 4 O 12 (RE= Ho, Dy and La) samples were
synthesized by conventional solid-state reaction method. Isothermal magnetization …

Effective mass enhancement in B site Fe doping heavy fermion compound CaCu3Ru4O12

R Wang, Y Zhu, L Wang, Y Liu, J Shi, R Xiong - Solid State …, 2015 - Elsevier
Abstract Polycrystalline samples of CaCu 3 Ru 4− x Fe x O 12 (x= 0, 0.04, 0.1, 0.2) were
synthesized via conventional solid state reactions. The specific heats of these four …

Metal–Insulator Transition in CaCu3Fe4O12

A Hariki, T Yamaguchi, M Winder… - Journal of the Physical …, 2024 - journals.jps.jp
We study structurally-triggered metal–insulator transition in CaCu3Fe4O12 by means of
local density approximation (LDA)+ U and LDA+ dynamical mean-field theory (DMFT). The …