XPS investigation of Mn valence in lanthanum manganite thin films under variation of oxygen content

E Beyreuther, S Grafström, LM Eng, C Thiele… - Physical Review B …, 2006 - APS
The question whether La Mn O 3 accepts do** with tetravalent cations such as cerium and
thus allows the preparation of electron-doped mixed-valent lanthanum manganites has …

Direct observation of electron do** in using x-ray absorption spectroscopy

C Mitra, Z Hu, P Raychaudhuri, S Wirth, SI Csiszar… - Physical Review B, 2003 - APS
We report an x-ray absorption spectroscopic (XAS) study on thin films of La 0.7 Ce 0.3 MnO
3. The measurements clearly show that the cerium is in the Ce (IV) valence state, and that …

Effect of A-site rare-earth ions on structure and magnetic properties of novel (Ln0. 2Gd0. 2La0. 2Nd0. 2Sm0. 2) MnO3 (Ln= Eu, Ho, Yb) high-entropy perovskite …

J Qin, Z Wen, B Ma, Z Wu, J Yu, L Tang, T Lu… - Ceramics …, 2024 - Elsevier
Single-phase high-entropy perovskite ceramics (Ln 0.2 Gd 0.2 La 0.2 Nd 0.2 Sm 0.2) MnO 3
(Ln-GLNSMO HEPCs) have been synthesized using solid-state reactions. The effect of A …

Observation of Minority Spin Character of the New Electron Doped Manganite from Tunneling Magnetoresistance

C Mitra, P Raychaudhuri, K Dörr, KH Müller, L Schultz… - Physical review …, 2003 - APS
We report the magnetotransport characteristics of a trilayer ferromagnetic tunnel junction
built of an electron doped manganite (L a 0.7 C e 0.3 M n O 3) and a hole doped manganite …

Influence of Fe do** on physical properties of charge ordered praseodymium–calcium–manganite material

Y Moualhi, R M'nassri, MM Nofal, H Rahmouni… - The European Physical …, 2020 - Springer
We investigated the effect of iron substitutions upon the structural, magnetic, electric, and
dielectric properties in Pr 0.7 Ca 0.3 Mn 1–x Fe x O 3 mixed-valence manganite. The …

diode with hole- and electron-doped lanthanum manganites

C Mitra, P Raychaudhuri, G Köbernik, K Dörr… - Applied Physics …, 2001 - pubs.aip.org
The hole-doped (p-) manganite La 0.7 Ca 0.3 MnO 3 and the electron-doped (n-) manganite
La 0.7 Ce 0.3 MnO 3 undergo an insulator-to-metal transition at around 250 K, above which …

Growth of epitaxial and polycrystalline thin films of the electron doped system through pulsed laser deposition

C Mitra, P Raychaudhuri, J John, SK Dhar… - Journal of Applied …, 2001 - pubs.aip.org
The polycrystalline La 1− x Ce x MnO 3 manganites do not exist in single phase in bulk
under the preparation conditions so far employed, but their polycrystalline and epitaxial films …

Effects of synthesis route on the structural, magnetic and magnetocaloric properties of Pr0. 8K0. 2MnO3

HB Khlifa, R M'nassri, W Cheikhrouhou-Koubaa… - Ceramics …, 2017 - Elsevier
Abstract Pr 0.8 K 0.2 MnO 3 ceramics are prepared by solid-state reaction and Pechini sol–
gel method. The influence of the powder synthesis method on the structural, morphological …

Phase diagram and Hall effect of the electron doped manganite

P Raychaudhuri, C Mitra, PDA Mann… - Journal of applied …, 2003 - pubs.aip.org
We report on the electronic, transport, and magnetic properties of the Ce-doped manganite,
La 1− x Ce x MnO 3. This material is remarkably similar to the heavily investigated hole …

Large low field magneto-resistance and temperature coefficient of resistance in La0. 8Ca0. 2MnO3 epitaxial thin film

JC Debnath, AM Strydom - Journal of Alloys and Compounds, 2015 - Elsevier
Abstract An epitaxial La 0.8 Ca 0.2 MnO 3/LaAlO 3 (LCMO/LAO) thin film was fabricated
using the pulsed laser deposition (PLD) technique to evaluate the magnetoresistance (MR) …