Evidence for the Griffiths phase in pure and Y-, Ca-and Cr-doped LaSr2Mn2O7 manganites
HM Ibrahim, OA Yassin, PF De Châtel… - Solid state …, 2005 - Elsevier
The paramagnetic susceptibility measured on La1− xYxSr2− yCay Mn2O7 (x, y or z= 0, 0.03
and 0.1) manganites does not obey the Curie–Weiss law. The Curie constant exceeds the …
and 0.1) manganites does not obey the Curie–Weiss law. The Curie constant exceeds the …
'Griffiths phase'versus chemical disorder in low-doped manganites: La0. 9Sr0. 1MnO3 crystal revisited
E Rozenberg, M Auslender, AI Shames… - Journal of Applied …, 2011 - pubs.aip.org
Magnetic properties, electron paramagnetic and ferromagnetic resonance were studied in
the vicinity and above ferromagnetic-paramagnetic (FM-PM) phase transition of the La 0.9 Sr …
the vicinity and above ferromagnetic-paramagnetic (FM-PM) phase transition of the La 0.9 Sr …
Griffiths phases vs magnetic polarons in the lightly doped La1− xSrxMno3
VA Ivanshin, J Deisenhofer, HAK von Nidda… - Journal of magnetism …, 2007 - Elsevier
The nature of the ferromagnetic (FM)–paramagnetic (PM) transition in perovskite-doped
manganites is the subject of considerable discussions. There is no general consensus about …
manganites is the subject of considerable discussions. There is no general consensus about …
Inhomogeneous magnetism studied by ESR in La1-xSrxMnO3 (0.45≤ x≤ 0.62)
C Autret-Lambert, M Gervais, S Roger, F Gervais… - Solid State …, 2017 - Elsevier
The influence of strontium substitution on lanthanum site in La 1-x Sr x MnO 3 manganites
has been investigated with x ranging from 0.55 to 0.62 in the 130–400 K temperature range …
has been investigated with x ranging from 0.55 to 0.62 in the 130–400 K temperature range …
Evidence of magnetic polaronic states in manganites
We have performed x-ray, electrical resistivity, and Raman scattering measurements in La
0.70 Sr 0.30 Mn 1− x Fe x O 3 manganites, with x varying from 0 to 0.40. The appearance of …
0.70 Sr 0.30 Mn 1− x Fe x O 3 manganites, with x varying from 0 to 0.40. The appearance of …
Effects of quenched disorder on Griffiths phase and EPR line width in La0.67–2x Nd2x Ca0.33–x Srx MnO3 manganites
OA Yassin, MI Mohamed, SN Bhatia - physica status solidi (b), 2008 - Wiley Online Library
It is widely accepted that there is Griffiths phase (GP) present in the paramagnetic phase in
doped manganites. We studied the effect of quenched disorder on the region of GP in …
doped manganites. We studied the effect of quenched disorder on the region of GP in …
Griffiths singularities and magnetoresistive manganites
MB Salamon, SH Chun - Physical Review B, 2003 - APS
The large, so-called colossal magnetoresistivity of doped LaMnO 3 has attracted
considerable attention, but is only one unusual feature of the ferromagnetic transition in …
considerable attention, but is only one unusual feature of the ferromagnetic transition in …
Magnetic phase coexistence in CMR manganites: ESR evidence
The coexistence of magnetic phases in colossal magnetoresistant (CMR) manganites is
characteristic of this family of compounds. We studied this phenomenon in a hole doped …
characteristic of this family of compounds. We studied this phenomenon in a hole doped …
Interplay of superexchange and orbital degeneracy in Cr-doped
J Deisenhofer, M Paraskevopoulos, HAK von Nidda… - Physical Review B, 2002 - APS
We report on structural, magnetic, and electron spin resonance (ESR) investigations in the
manganite system LaMn 1− x Cr x O 3 (x<~ 0. 5). Upon Cr-doping we observe a reduction of …
manganite system LaMn 1− x Cr x O 3 (x<~ 0. 5). Upon Cr-doping we observe a reduction of …
Jahn–Teller distortion induced by Mg/Zn substitution on Mn sites in the perovskite manganites
S Tan, S Yue, Y Zhang - Physics Letters A, 2003 - Elsevier
The effect of Mg doping in La2/3Sr1/3Mn1− xMgxO3 (0.05⩽ x⩽ 0.2) and Zn doping in
LaMn1− yZnyO3 (0.05⩽ y⩽ 0.4) were investigated. For heavily doped samples with x⩾ 0.15 …
LaMn1− yZnyO3 (0.05⩽ y⩽ 0.4) were investigated. For heavily doped samples with x⩾ 0.15 …