Charge reallocation in the tetragonal to monoclinic transition in Pr<inf>1/2</inf>Sr<inf>1/2</inf>MnO<inf>3</inf>

A. Llobet; J. L. García-Muñoz; C. Frontera; C. Ritter

doi:10.1016/S0921-4526(99)01320-4

Charge reallocation in the tetragonal to monoclinic transition in Pr<inf>1/2</inf>Sr<inf>1/2</inf>MnO<inf>3</inf>

A. Llobet, J. L. García-Muñoz, C. Frontera, C. Ritter

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Abstract

The structural changes associated with the ferromagnetic (FM) metallic-to-antiferromagnetic (AFM) insulating transition of Pr1/2Sr1/2MnO3 (I4/mcm→P21/n) have been analyzed by means of high-resolution neutron diffraction data. Mn positions in the low-temperature phase have the same charge and identically deformed octahedra. The transition is the result of a stretching-like distortion of the octahedra that (i) contracts the Mn-O bond perpendicular to the FM planes by deviating β from 90 °C and (ii) injects electrons into in-plane Mn-O bonds.

Original language	English
Pages (from-to)	790-792
Journal	Physica B: Condensed Matter
Volume	276-278
DOIs	https://doi.org/10.1016/S0921-4526(99)01320-4
Publication status	Published - 1 Jan 2000

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title = "Charge reallocation in the tetragonal to monoclinic transition in Pr1/2Sr1/2MnO3",

abstract = "The structural changes associated with the ferromagnetic (FM) metallic-to-antiferromagnetic (AFM) insulating transition of Pr1/2Sr1/2MnO3 (I4/mcm→P21/n) have been analyzed by means of high-resolution neutron diffraction data. Mn positions in the low-temperature phase have the same charge and identically deformed octahedra. The transition is the result of a stretching-like distortion of the octahedra that (i) contracts the Mn-O bond perpendicular to the FM planes by deviating β from 90 °C and (ii) injects electrons into in-plane Mn-O bonds.",

author = "A. Llobet and Garc{\'i}a-Mu{\~n}oz, {J. L.} and C. Frontera and C. Ritter",

year = "2000",

month = jan,

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doi = "10.1016/S0921-4526(99)01320-4",

language = "English",

volume = "276-278",

pages = "790--792",

journal = "Physica B: Condensed Matter",

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TY - JOUR

T1 - Charge reallocation in the tetragonal to monoclinic transition in Pr1/2Sr1/2MnO3

AU - Llobet, A.

AU - García-Muñoz, J. L.

AU - Frontera, C.

AU - Ritter, C.

PY - 2000/1/1

Y1 - 2000/1/1

N2 - The structural changes associated with the ferromagnetic (FM) metallic-to-antiferromagnetic (AFM) insulating transition of Pr1/2Sr1/2MnO3 (I4/mcm→P21/n) have been analyzed by means of high-resolution neutron diffraction data. Mn positions in the low-temperature phase have the same charge and identically deformed octahedra. The transition is the result of a stretching-like distortion of the octahedra that (i) contracts the Mn-O bond perpendicular to the FM planes by deviating β from 90 °C and (ii) injects electrons into in-plane Mn-O bonds.

AB - The structural changes associated with the ferromagnetic (FM) metallic-to-antiferromagnetic (AFM) insulating transition of Pr1/2Sr1/2MnO3 (I4/mcm→P21/n) have been analyzed by means of high-resolution neutron diffraction data. Mn positions in the low-temperature phase have the same charge and identically deformed octahedra. The transition is the result of a stretching-like distortion of the octahedra that (i) contracts the Mn-O bond perpendicular to the FM planes by deviating β from 90 °C and (ii) injects electrons into in-plane Mn-O bonds.

U2 - 10.1016/S0921-4526(99)01320-4

DO - 10.1016/S0921-4526(99)01320-4

M3 - Article

VL - 276-278

SP - 790

EP - 792

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

ER -

Charge reallocation in the tetragonal to monoclinic transition in Pr<inf>1/2</inf>Sr<inf>1/2</inf>MnO<inf>3</inf>

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