Cation disorder and size effects upon magnetic transitions in Ln0. 5A0. 5MnO3 manganites

F Damay, C Martin, A Maignan, B Raveau - Journal of applied physics, 1997 - pubs.aip.org
Since the discovery of their colossal magnetoresistance properties CMR, manganese
perovskites (Ln1xAx) MnO3 Ln being a trivalent lanthanide and A a divalent cation have …

Cation size-temperature phase diagram of the manganites Ln0.5Sr0.5MnO3

F Damay, A Maignan, C Martin, B Raveau - Journal of applied physics, 1997 - pubs.aip.org
We have studied the variation of the paramagnetic to ferromagnetic transition temperature
TC and of the ferromagnetic to antiferromagnetic transition temperature TN as a function of …

A monoclinic manganite, La0. 9MnO3− δ, with colossal magnetoresistance properties near room temperature

A Maignan, C Michel, M Hervieu, B Raveau - Solid state communications, 1997 - Elsevier
The investigation of the La Mn O system has allowed manganites La0. 90MnO3− δ with
colossal magnetoresistance properties, near room temperature, to be isolated. These …

Effects of high vacancy concentrations on the magnetic properties of ()

P De Silva, FM Richards, LF Cohen… - Journal of applied …, 1998 - pubs.aip.org
It has been found that the synthesis conditions and subsequent annealing treatments can
significantly change the magnetic and transport behavior of the colossal magnetoresistive …

Interplay of spin and orbital ordering in the layered colossal magnetoresistance manganite

CD Ling, JE Millburn, JF Mitchell, DN Argyriou, J Linton… - Physical Review B, 2000 - APS
The crystallographic and magnetic phase diagram of the n= 2 layered manganite La 2− 2 x
Sr 1+ 2 x Mn 2 O 7 in the region x>~ 0.5 has been studied using temperature-dependent …

Effect of Li substitution on the crystal structure and magnetoresistance of

SL Ye, WH Song, JM Dai, SG Wang, KY Wang… - Journal of Applied …, 2000 - pubs.aip.org
The crystal structure and magnetoresistance of the polycrystalline La 1− x Li x MnO 3 (x=
0.10, 0.15, 0.20, 0.30) are investigated. The result of the Rietveld refinement of x-ray powder …

Magnetic phase diagrams of manganites

C Martin, A Maignan, M Hervieu, B Raveau - Physical Review B, 1999 - APS
The magnetic phase diagrams of four L 1− x A x MnO 3 series (L= P r, S m; A= C a, S r) have
been established combining neutron diffraction, electron microscopy, and magnetotransport …

Nickel-induced metal-insulator transition in the small a cation manganites Ln0. 5Ca0. 5MnO3

A Maignan, F Damay, C Martin, B Raveau - Materials research bulletin, 1997 - Elsevier
The study of the manganites Ln0. 5Ca0. 5Mn1− xNixO3 (Ln= Pr, Nd, Sm) shows that the
introduction of nickel on the Mn site provokes the disappearance of charge ordering (CO) …

Induced ferromagnetism in by Mn-site substitution:  The major role of Mn mixed valency

S Hébert, C Martin, A Maignan, R Retoux, M Hervieu… - Physical Review B, 2002 - APS
In order to know if the origin of ferromagnetism induced by the substitution of Co or Ni for Mn
in LaMnO 3 could be due to their divalent oxidation states, a set of LaMn 1− x M x O 3 …

Magnetic properties of the self-doped lanthanum manganites

CR Sankar, PA Joy - Physical Review B—Condensed Matter and Materials …, 2005 - APS
The magnetic properties of different compositions in the self-doped lanthanum manganites,
La 1− x Mn O 3, have been studied by ac susceptibility and dc magnetization measurements …