Preparation, Crystal and Magnetic Structure, and Magnetotransport Properties of the Double Perovskite CaCu2.5Mn4.5O12

J Sánchez-Benítez, JA Alonso… - Chemistry of …, 2003 - ACS Publications
CaCu2. 5Mn4. 5O12 perovskite has been prepared in polycrystalline form under moderate
pressure conditions of 20 kbar, in the presence of KClO4 as oxidizing agent. This material …

Neutron diffraction, Mössbauer and magnetotransport study of Fe-substituted derivatives of CaCu3Mn4O12 perovskite with colossal magnetoresistance

H Falcón, J Sánchez-Benítez… - Journal of Physics …, 2007 - iopscience.iop.org
The effect of replacing Mn for Fe in the ferrimagnetic perovskite CaCu 3 Mn 4 O 12 has been
studied in the series of nominal composition CaCu 3 (Mn 4− x Fe x) O 12 (x= 0, 0.5, 1.0) …

The synthesis and crystal structure of CaCu3Mn4O12: A new ferromagnetic-perovskite-like compound

J Chenavas, JC Joubert, M Marezio, B Bochu - Journal of Solid State …, 1975 - Elsevier
Abstract Single crystals of CaCu 3 Mn 4 O 12, a new ferromagnetic perovskite-like
compound (T c− 160° C), have been synthesized at 50 kbar and 1000° C. By X-ray analysis …

Preparation at moderate pressures, crystal and magnetic structure and magnetotransport of the ferrimagnetic CeCu3Mn4O12 perovskite

J Sánchez-Benítez, MJ Martínez-Lope… - Journal of Applied …, 2010 - pubs.aip.org
Moderate-pressure conditions of 2 GPa has been used to stabilize the complex perovskite
CeCu 3 Mn 4 O 12⁠. It can be considered as a derivative of the parent CaCu 3 Mn 4 O 12 …

Giant magnetoresistance in CaCu3Mn4O12-based oxides with perovskite-type structure

Z Zeng, M Greenblatt, JE Sunstrom IV, M Croft… - Journal of Solid State …, 1999 - Elsevier
Ca0. 5Na0. 5Cu2. 5Mn4. 5O12, CaCu3− xMn4+ xO12 (0.5≤ x≤ 2) were prepared at 700° C
and 2600 PSI by combined sol–gel and high oxygen pressure methods. CaCu0. 5Mn6 …

Peculiar Magnetic Behavior of the TbCu3Mn4O12 Complex Perovskite

J Sánchez-Benítez, JA Alonso, A De Andrés… - Chemistry of …, 2005 - ACS Publications
TbCu3Mn4O12 perovskite has been prepared in polycrystalline form under moderate
pressure conditions of 2 GPa, in the presence of KClO4 as oxidizing agent. This material has …

Evidence of two different states in derivatives with colossal magnetoresistance

J Sánchez-Benítez, C Prieto, A De Andres… - Physical Review B …, 2004 - APS
A new series of magnetoresistive oxides based on the CaCu 3 Mn 4 O 12 perovskite has
been investigated by x-ray absorption and neutron powder diffraction. The samples were …

Enhancement of the Curie Temperature along the Perovskite Series RCu3Mn4O12 Driven by Chemical Pressure of R3+ Cations (R = Rare Earths)

J Sanchez-Benitez, JA Alonso… - Inorganic …, 2010 - ACS Publications
The compounds of the title series have been prepared from citrate precursors under
moderate pressure conditions (P= 2 GPa) and 1000° C in the presence of KClO4 as …

Enhanced magnetoresistance in the complex perovskite

JA Alonso, J Sánchez-Benıtez, A De Andrés… - Applied physics …, 2003 - pubs.aip.org
Moderate-pressure techniques (P= 2 GPa) have been used to prepare the complex LaCu 3
Mn 4 O 12 perovskite. It has been characterized by neutron powder diffraction, magnetic …

Preparation under high pressures and neutron diffraction study of new ferromagnetic RCu3Mn4O12 (R= Pr, Sm, Eu, Gd, Dy, Ho, Tm, Yb) perovskites

J Sánchez-Benítez, JA Alonso, H Falcón… - Journal of Physics …, 2005 - iopscience.iop.org
We report on the study of some new derivatives of the complex perovskite CaCu 3 Mn 4 O
12. Ca 2+ cations can be replaced by rare earths in the RCu 3 Mn 4 O 12 (R= rare earths) …