The x-ray magnetic circular dichroism spin sum rule for 3d4 systems: Mn3+ ions in colossal magnetoresistance manganites

K. Kuepper; M. Raekers; C. Taubitz; M. Uhlarz; C. Piamonteze; F.M.F. de Groot; E. Arenholz; V.R. Galakhov; Ya M. Mukovskii; M. Neumann

doi:10.1088/0953-8984/24/43/435602

The x-ray magnetic circular dichroism spin sum rule for 3d4 systems: Mn3+ ions in colossal magnetoresistance manganites

K. Kuepper, M. Raekers, C. Taubitz, M. Uhlarz, C. Piamonteze, F.M.F. de Groot, E. Arenholz, V.R. Galakhov, Ya M. Mukovskii, M. Neumann

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Abstract

The colossal magnetoresistance manganites La0.87±0.02Sr0.12±0.02MnO3+δ, La0.78±0.02Sr0.17±0.02MnO3+δ, and La0.66±0.02Sr0.36±0.02MnO3+δ (δ close to 0) were investigated by using soft x-ray magnetic circular dichroism (XMCD) and magnetometry. Very good agreement between the values for the average Mn magnetic moments determined with these two methods was achieved by correcting the XMCD spin sum rule results by means of charge transfer multiplet calculations, which also suggest a charge transfer of ~50% for Mn4+ and 30% for Mn3+. The magnetic moment was found to be localized at the Mn ions for x = 0.17 and 0.36 at 80 K and for x = 0.12 in the temperature range from 80 to 300 K. We discuss our findings in the light of previously published data, confirming the validity of our approach.

Original language	English
Article number	435602
Pages (from-to)	435602 /1-435602 /8
Number of pages	8
Journal	Journal of physics. Condensed matter
Volume	24
Issue number	43
DOIs	https://doi.org/10.1088/0953-8984/24/43/435602
Publication status	Published - 2012

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Kuepper, K., Raekers, M., Taubitz, C., Uhlarz, M., Piamonteze, C., de Groot, F. M. F., Arenholz, E., Galakhov, V. R., Mukovskii, Y. M., & Neumann, M. (2012). The x-ray magnetic circular dichroism spin sum rule for 3d4 systems: Mn3+ ions in colossal magnetoresistance manganites. Journal of physics. Condensed matter, 24(43), 435602 /1-435602 /8. Article 435602. https://doi.org/10.1088/0953-8984/24/43/435602

@article{bb9f8d0f1e4a4f76ac45031d2a29c710,

title = "The x-ray magnetic circular dichroism spin sum rule for 3d4 systems: Mn3+ ions in colossal magnetoresistance manganites",

abstract = "The colossal magnetoresistance manganites La0.87±0.02Sr0.12±0.02MnO3+δ, La0.78±0.02Sr0.17±0.02MnO3+δ, and La0.66±0.02Sr0.36±0.02MnO3+δ (δ close to 0) were investigated by using soft x-ray magnetic circular dichroism (XMCD) and magnetometry. Very good agreement between the values for the average Mn magnetic moments determined with these two methods was achieved by correcting the XMCD spin sum rule results by means of charge transfer multiplet calculations, which also suggest a charge transfer of ~50% for Mn4+ and 30% for Mn3+. The magnetic moment was found to be localized at the Mn ions for x = 0.17 and 0.36 at 80 K and for x = 0.12 in the temperature range from 80 to 300 K. We discuss our findings in the light of previously published data, confirming the validity of our approach.",

author = "K. Kuepper and M. Raekers and C. Taubitz and M. Uhlarz and C. Piamonteze and {de Groot}, F.M.F. and E. Arenholz and V.R. Galakhov and Mukovskii, {Ya M.} and M. Neumann",

year = "2012",

doi = "10.1088/0953-8984/24/43/435602",

language = "English",

volume = "24",

pages = "435602 /1--435602 /8",

journal = "Journal of physics. Condensed matter",

issn = "0953-8984",

publisher = "IOP PUBLISHING LTD",

number = "43",

}

Kuepper, K, Raekers, M, Taubitz, C, Uhlarz, M, Piamonteze, C, de Groot, FMF, Arenholz, E, Galakhov, VR, Mukovskii, YM & Neumann, M 2012, 'The x-ray magnetic circular dichroism spin sum rule for 3d4 systems: Mn3+ ions in colossal magnetoresistance manganites', Journal of physics. Condensed matter, vol. 24, no. 43, 435602, pp. 435602 /1-435602 /8. https://doi.org/10.1088/0953-8984/24/43/435602

TY - JOUR

T1 - The x-ray magnetic circular dichroism spin sum rule for 3d4 systems: Mn3+ ions in colossal magnetoresistance manganites

AU - Kuepper, K.

AU - Raekers, M.

AU - Taubitz, C.

AU - Uhlarz, M.

AU - Piamonteze, C.

AU - de Groot, F.M.F.

AU - Arenholz, E.

AU - Galakhov, V.R.

AU - Mukovskii, Ya M.

AU - Neumann, M.

PY - 2012

Y1 - 2012

N2 - The colossal magnetoresistance manganites La0.87±0.02Sr0.12±0.02MnO3+δ, La0.78±0.02Sr0.17±0.02MnO3+δ, and La0.66±0.02Sr0.36±0.02MnO3+δ (δ close to 0) were investigated by using soft x-ray magnetic circular dichroism (XMCD) and magnetometry. Very good agreement between the values for the average Mn magnetic moments determined with these two methods was achieved by correcting the XMCD spin sum rule results by means of charge transfer multiplet calculations, which also suggest a charge transfer of ~50% for Mn4+ and 30% for Mn3+. The magnetic moment was found to be localized at the Mn ions for x = 0.17 and 0.36 at 80 K and for x = 0.12 in the temperature range from 80 to 300 K. We discuss our findings in the light of previously published data, confirming the validity of our approach.

AB - The colossal magnetoresistance manganites La0.87±0.02Sr0.12±0.02MnO3+δ, La0.78±0.02Sr0.17±0.02MnO3+δ, and La0.66±0.02Sr0.36±0.02MnO3+δ (δ close to 0) were investigated by using soft x-ray magnetic circular dichroism (XMCD) and magnetometry. Very good agreement between the values for the average Mn magnetic moments determined with these two methods was achieved by correcting the XMCD spin sum rule results by means of charge transfer multiplet calculations, which also suggest a charge transfer of ~50% for Mn4+ and 30% for Mn3+. The magnetic moment was found to be localized at the Mn ions for x = 0.17 and 0.36 at 80 K and for x = 0.12 in the temperature range from 80 to 300 K. We discuss our findings in the light of previously published data, confirming the validity of our approach.

U2 - 10.1088/0953-8984/24/43/435602

DO - 10.1088/0953-8984/24/43/435602

M3 - Article

SN - 0953-8984

VL - 24

SP - 435602 /1-435602 /8

JO - Journal of physics. Condensed matter

JF - Journal of physics. Condensed matter

IS - 43

M1 - 435602

ER -

The x-ray magnetic circular dichroism spin sum rule for 3d4 systems: Mn3+ ions in colossal magnetoresistance manganites

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