Nature of small-polaron hop** conduction and the effect of Cr do** on the transport properties of rare-earth manganite

A Banerjee, S Pal, BK Chaudhuri - The Journal of Chemical Physics, 2001 - pubs.aip.org
The conductivity and magnetoresistance of La 0.5 Pb 0.5 Mn 1− x Cr x O 3 (0.0⩽ x⩽ 0.45)
measured at 0.0 and 1.5 T magnetic field have been reported. All the oxide samples except …

Charge-ordering in manganates

CNR Rao, A Arulraj, PN Santosh… - Chemistry of …, 1998 - ACS Publications
Ordering of Mn3+ and Mn4+ ions occurs in the rare earth manganates of the general
composition Ln1-x A x MnO3 (Ln= rare earth, A= Ca, Sr). Such charge-ordering is …

Ni do** effect on the temperature-dependent dielectric properties and ac conductivity of polycrystalline GdMn1−XNiXO3 ceramics

P Solanki, M Vala, D Dhruv, CR Savaliya… - Journal of Materials …, 2023 - Springer
This study analyzes the impact of nickel do** on the structural, microstructural, and
dielectric properties of GdMn1− XNiXO3 (GNO) with X= 0.0, 0.05, and 0.10. The samples …

Investigation of the structural, electrical, and dielectric properties of La 0.5 Sm 0.2 Sr 0.3 Mn 1− x Cr x O 3 for electrical application

K Abdouli, F Hassini, W Cherif, PR Prezas… - RSC …, 2022 - pubs.rsc.org
In the present research, polycrystalline samples of La0. 5Sm0. 2Sr0. 3Mn1− xCrxO3 are
prepared using the self-combustion method. Then, we have studied their crystalline …

Effect of chromium concentration on the structural, magnetic and electrical properties of praseodymium-calcium manganite

A Bettaibi, R M'nassri, A Selmi, H Rahmouni… - Journal of Alloys and …, 2015 - Elsevier
The influence of Cr do** on magnetic, magnetocaloric and electrical properties in a
polycrystalline sample of Pr 0.7 Ca 0.3 MnO 3 is investigated. Structural studies show that …

Electric-field-induced melting of the randomly pinned charge-ordered states of rare-earth manganates and associated effects

CNR Rao, AR Raju, V Ponnambalam, S Parashar… - Physical Review B, 2000 - APS
Films of charge-ordered Nd 0.5 Ca 0.5 MnO 3, Gd 0.5 Ca 0.5 MnO 3, Y 0.5 Ca 0.5 MnO 3,
and Nd 0.5 Sr 0.5 MnO 3 show insulator-metal transitions on the passage of small electrical …

Magnetoresistance and magnetothermoelectric power of

A Banerjee, S Pal, S Bhattacharya, BK Chaudhuri… - Physical Review B, 2001 - APS
We report the results of thermoelectric power (TEP) of a Cr doped La 0.5 Pb 0.5 Mn 1− x Cr x
O 3 (x= 0–0. 4 5) system measured both in the presence and the absence of magnetic field …

Signature of ferromagnetism, antiferromagnetism, charge ordering and phase separation by electron paramagnetic resonance study in rare earth manganites, Ln1 …

C Autret, M Gervais, F Gervais, N Raimboux, P Simon - Solid state sciences, 2004 - Elsevier
Phase separation has been recognized as an important ingredient to create the colossal
magnetoresistance (CMR). To be able to characterize the phase separation signature by …

Magnetic and electrical properties of La0. 67Ca0. 33MnO3 as influenced by substitution of Cr

R Ganguly, IK Gopalakrishnan, JV Yakhmi - Physica B: Condensed Matter, 2000 - Elsevier
The compounds La0. 67Ca0. 33Mn1− xCrxO3 (x= 0.00, 0.05, 0.10, 0.15, 0.20, 0.35, 0.50
and 0.60) have been studied by X-ray diffraction (XRD), AC and DC magnetization, and DC …

Effect of substituting Ru4+ and other tetravalent ions in the B-site of rare earth manganates on the magneto-transport properties and charge-ordering

PV Vanitha, A Arulraj, AR Raju, CNR Rao - Comptes Rendus de l'Académie …, 1999 - Elsevier
Substitution of Ti and Zr in the B-site of La0. 7Ca0. 3MnO3 lowers the TC and the
temperature of insulator—metal transition. Substitution of Ru in the B-site of La0. 7Ca0 …