Griffiths phase and its evolution with Mn-site disorder in the half-doped manganite<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mtext>Pr</mml:mtext></mml:mrow><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mtext>Sr</mml:mtext></mml:mrow><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mtext>Mn</mml:mtext></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>y</mml:mi></mml:mr

Pramanik, A. K.; Banerjee, A.

doi:10.1103/physrevb.81.024431

Cited by 180 publications

(180 citation statements)

References 36 publications

Supporting

Mentioning

157

Contrasting

Order By: Relevance

“…The value of λ has been observed larger than those values obtained for different manganites which can be attributed to the fact that large lattice disorder in our compound as expected in polycrystalline manganites [36].…”

Section: Accepted Manuscriptcontrasting

confidence: 63%

Adiabatic polaron hopping conduction and Griffiths phase in electron-doped Ca0.85Dy0.15MnO3

Khan

Roychowdhury

Das

et al. 2015

Journal of Alloys and Compounds

View full text Add to dashboard Cite

Section: Accepted Manuscriptcontrasting

confidence: 63%

Adiabatic polaron hopping conduction and Griffiths phase in electron-doped Ca0.85Dy0.15MnO3

Khan

Roychowdhury

Das

et al. 2015

Journal of Alloys and Compounds

View full text Add to dashboard Cite

“…The process reported in the literature most often is the doping of manganites with various elements in two different positions. These are called A-site [15][16][17] and B-site (or Mn-site) [18][19][20][21][22] substitution. It is believed that the study of the doping effects at the Mn site by other elements with different valences, electron configuration, ionic radius, and non-magnetic ions is very important because of the crucial role of Mn ions in the CMR materials.…”

Section: Introductionmentioning

confidence: 99%

“…The Curie temperature (TC) for La0.7Sr0.3Mn0.9B0.1O3 compounds with B = Mn, Cr, Al, Ga, Ni, Co, Cu, Fe[8,[18][19][20][21][22].…”

mentioning

confidence: 99%

Effects of non magnetic aluminum Al doping on the structural, magnetic and transport properties in La0.57Nd0.1Sr0.33MnO3 manganite oxide

Tka

Cherif

Dhahri

et al. 2011

Journal of Alloys and Compounds

View full text Add to dashboard Cite

“…19,20,22,23,28 To our best knowledge, there were no reports addressing "conventional" ͑non-singular͒ characteristics of the system with Griffiths phase. On the other hand, as far as the disorder effects are an intrinsic part of the physics of manganites, the model considering magnetoresistive properties of these materials in ferromagnetic and Griffiths phases on a single footing is very desirable.…”

Section: Introductionmentioning

confidence: 99%

Griffiths phase, metal-insulator transition, and magnetoresistance of doped manganites

Krivoruchko¹,

Марченко²,

Melikhov

2010

Phys. Rev. B

View full text Add to dashboard Cite

A phenomenological model is developed for systematic study of the universal features in metal-insulator transition and magnetoresistivity of mixed-phase manganites. The approach is based on utilization of some hypothesis appropriate to the Preisach picture of the magnetization process for half-metallic ferromagnets and an assumption that in doped manganites a Griffiths-type phase exists just above the magnetic-ordering temperature. Within the model, the system is considered as a random three-dimensional resistor network where a self-consistent formation of paths with metal and polaron types of conductivity is not only due to magnetic field variation but also due to temperature changes, as well. Both mechanisms of intrinsic percolation transition are considered on one basis. The theory is able to replicate the basic regularities found experimentally for doped manganites resistivity dependence on temperature and magnetic field without the need for empirical input from the magnetoresistive data. Within the approach a natural basis has arisen for a qualitative classification of magnetoresistive materials into those, such as La 0.7 Sr 0.3 MnO 3 , showing modest magnetoresistivity, and those, such as La 0.7 Ca 0.3 MnO 3 , showing large magnetoresistivity.

show abstract

Griffiths phase and its evolution with Mn-site disorder in the half-doped manganitePr0.5Sr0.5Mn1−y

Cited by 180 publications

References 36 publications

Adiabatic polaron hopping conduction and Griffiths phase in electron-doped Ca0.85Dy0.15MnO3

Adiabatic polaron hopping conduction and Griffiths phase in electron-doped Ca0.85Dy0.15MnO3

Effects of non magnetic aluminum Al doping on the structural, magnetic and transport properties in La0.57Nd0.1Sr0.33MnO3 manganite oxide

Griffiths phase, metal-insulator transition, and magnetoresistance of doped manganites

Contact Info

Product

Resources

About