Oxygen-isotope effect of the paramagnetic-insulating to ferromagnetic-metallic transition in
JP Franck, I Isaac, W Chen, J Chrzanowski, JC Irwin - Physical Review B, 1998 - APS
The oxygen-isotope effect of the ferromagnetic transition in La 1− x Ca x MnO 3 was
investigated from x= 20% to x= 43%. This is the range of the conducting ferromagnetic …
investigated from x= 20% to x= 43%. This is the range of the conducting ferromagnetic …
Very strong magnetic-field dependence of the oxygen isotope shift of the charge-ordering transition in
Oxygen isotope effect on the charge-ordering transition was studied in La 0.5 Ca 0.5 MnO 3.
Upon replacing 16 O with 18 O, the charge-ordering temperature increases by 9 K under …
Upon replacing 16 O with 18 O, the charge-ordering temperature increases by 9 K under …
Effect of oxygen isotope substitution on the magnetic structure of
The oxygen isotope effect on the magnetic structure and charge ordering in (La 0.25 Pr 0.75)
0.7 Ca 0.3 MnO 3 was studied by means of neutron powder diffraction. At first it was found …
0.7 Ca 0.3 MnO 3 was studied by means of neutron powder diffraction. At first it was found …
The phase diagram and magnetic properties of La1− xCaxMnO3 compounds for 0≤ x≤ 0.23
M Pissas, G Papavassiliou - Journal of Physics: Condensed …, 2004 - iopscience.iop.org
In this paper a detailed study of the La 1− x Ca x MnO 3 () phase diagram using powder x-
ray diffraction and magnetization measurements is presented. The lack of well characterized …
ray diffraction and magnetization measurements is presented. The lack of well characterized …
Lattice effects in Relationships between distortions, charge distribution, and magnetism
CH Booth, F Bridges, GH Kwei, JM Lawrence… - Physical Review B, 1998 - APS
X-ray-absorption fine-structure measurements from the Mn and La K edges of samples of La
1− x Ca x MnO 3 (x= 0→ 1) are presented as a function of temperature. In the insulating …
1− x Ca x MnO 3 (x= 0→ 1) are presented as a function of temperature. In the insulating …
Structure and magnetic order in
Q Huang, A Santoro, JW Lynn, RW Erwin, JA Borchers… - Physical Review B, 1998 - APS
The nuclear and magnetic structures of La 1− x Ca x MnO 3 have been studied by neutron
powder diffraction methods for the compositions x= 0.06, 0.15, 0.175, 0.25, and 0.33. At low …
powder diffraction methods for the compositions x= 0.06, 0.15, 0.175, 0.25, and 0.33. At low …
Oxygen-isotope effect on the charge-ordering transition of
I Isaac, JP Franck - Physical Review B, 1998 - APS
The colossal-magnetoresistance compound La 1− x Ca x MnO 3 shows a transition to
commensurate charge ordering (Mn 3+–Mn 4+) for x= 50%. In the range x= 42–50%, the …
commensurate charge ordering (Mn 3+–Mn 4+) for x= 50%. In the range x= 42–50%, the …
Electrical transport and magnetic properties of with varying oxygen content
YG Zhao, W Cai, J Zhao, XP Zhang, BS Cao, MH Zhu… - Physical Review B, 2002 - APS
We report the tuning of oxygen content of La 0.5 Ca 0.5 MnO 3− y and its effect on electrical
transport and magnetic properties. A small reduction of oxygen content leads to a decrease …
transport and magnetic properties. A small reduction of oxygen content leads to a decrease …
Effect of oxygen content on the magnetic state of La0.5Ca0.5MnO3−γ perovskites
IO Troyanchuk, DD Khalyavin, SV Trukhanov… - Journal of Experimental …, 1999 - Springer
The magnetization and magnetoresistance are studied in La 0.5 Ca 0.5 MnO 3− γ as a
function of oxygen content. It is found that as the oxygen content is decreased, this …
function of oxygen content. It is found that as the oxygen content is decreased, this …
Semiconductor-metal transition and magnetoresistance in (La, Ca) MnO3: Experiments and simple model
J Pierre, F Robaut, S Misat, P Strobel, A Nossov… - Physica B: Condensed …, 1996 - Elsevier
The effect of Ca-doping on bulk samples of La1− xCaxMnO3 has been investigated, as well
as the effect of sample annealing under air and oxygen. The maximum magnetoresistance is …
as the effect of sample annealing under air and oxygen. The maximum magnetoresistance is …