Neutron scattering studies of the spin-5/2 antiferromagnetic linear trimer substance SrMn3P4O14

Masashi Hase; Andreas Dönni; Kiyoshi Ozawa; Hideaki Kitazawa; Osamu Sakai; Vladimir Yu Pomjakushin; Lukas Keller; Koji Kaneko; Naoto Metoki; Kazuhisa Kakurai; Masaaki Matsuda; Tao Yang; Rihong Cong; Jianhua Lin

doi:10.1088/1742-6596/340/1/012066

Neutron scattering studies of the spin-5/2 antiferromagnetic linear trimer substance SrMn₃P₄O₁₄

Masashi Hase, Andreas Dönni, Kiyoshi Ozawa, Hideaki Kitazawa, Osamu Sakai, Vladimir Yu Pomjakushin, Lukas Keller, Koji Kaneko, Naoto Metoki, Kazuhisa Kakurai, Masaaki Matsuda, Tao Yang, Rihong Cong, Jianhua Lin

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Abstract

We studied the spin-5/2 antiferromagnetic (AF) linear trimer substance SrMn₃P₄O₁₄ using neutron powder diffraction and inelastic neutron scattering (INS) techniques. We determined the magnetic structure below T_N1 = 2.2(1) K. Ordered magnetic moments have x and z components. The angle between two neighboring moments in the trimer is 164 or 166° at 1.5 K, indicating that the intra-trimer (J₁) interaction is AF as expected. The propagation vector is expressed as k = [0, k_y, 0]. The value of k_y is 0.317 at 1.5 K, indicating an incommensurate magnetic structure. The value of k_y changes abruptly between 1.7 and 1.8 K and reaches values close to 0.33 above 1.8 K, indicating another phase transition at T_N2 = 1.75(5) K. We observed plural magnetic excitations. The peak positions are 0.46, 0.68 and 1.02 meV. Our INS results are consistent with those expected in the trimer model. We evaluated the J ₁ value as 0.29 meV (3.4 K).

Original language	English
Article number	012066
Journal	Journal of Physics: Conference Series
Volume	340
DOIs	https://doi.org/10.1088/1742-6596/340/1/012066
State	Published - 2012
Event	5th European Conference on Neutron Scattering, ECNS 2011 - Prague, Czech Republic Duration: Jul 17 2011 → Jul 21 2011

Funding

Funders	Funder number
Japan Society for the Promotion of Science	23740247, 22013022

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Hase, M., Dönni, A., Ozawa, K., Kitazawa, H., Sakai, O., Pomjakushin, V. Y., Keller, L., Kaneko, K., Metoki, N., Kakurai, K., Matsuda, M., Yang, T., Cong, R., & Lin, J. (2012). Neutron scattering studies of the spin-5/2 antiferromagnetic linear trimer substance SrMn₃P₄O₁₄. Journal of Physics: Conference Series, 340, Article 012066. https://doi.org/10.1088/1742-6596/340/1/012066

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title = "Neutron scattering studies of the spin-5/2 antiferromagnetic linear trimer substance SrMn3P4O14",

abstract = "We studied the spin-5/2 antiferromagnetic (AF) linear trimer substance SrMn3P4O14 using neutron powder diffraction and inelastic neutron scattering (INS) techniques. We determined the magnetic structure below TN1 = 2.2(1) K. Ordered magnetic moments have x and z components. The angle between two neighboring moments in the trimer is 164 or 166° at 1.5 K, indicating that the intra-trimer (J1) interaction is AF as expected. The propagation vector is expressed as k = [0, ky, 0]. The value of ky is 0.317 at 1.5 K, indicating an incommensurate magnetic structure. The value of ky changes abruptly between 1.7 and 1.8 K and reaches values close to 0.33 above 1.8 K, indicating another phase transition at TN2 = 1.75(5) K. We observed plural magnetic excitations. The peak positions are 0.46, 0.68 and 1.02 meV. Our INS results are consistent with those expected in the trimer model. We evaluated the J 1 value as 0.29 meV (3.4 K).",

author = "Masashi Hase and Andreas D{\"o}nni and Kiyoshi Ozawa and Hideaki Kitazawa and Osamu Sakai and Pomjakushin, {Vladimir Yu} and Lukas Keller and Koji Kaneko and Naoto Metoki and Kazuhisa Kakurai and Masaaki Matsuda and Tao Yang and Rihong Cong and Jianhua Lin",

year = "2012",

doi = "10.1088/1742-6596/340/1/012066",

language = "English",

volume = "340",

journal = "Journal of Physics: Conference Series",

issn = "1742-6588",

note = "5th European Conference on Neutron Scattering, ECNS 2011 ; Conference date: 17-07-2011 Through 21-07-2011",

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TY - JOUR

T1 - Neutron scattering studies of the spin-5/2 antiferromagnetic linear trimer substance SrMn3P4O14

AU - Hase, Masashi

AU - Dönni, Andreas

AU - Ozawa, Kiyoshi

AU - Kitazawa, Hideaki

AU - Sakai, Osamu

AU - Pomjakushin, Vladimir Yu

AU - Keller, Lukas

AU - Kaneko, Koji

AU - Metoki, Naoto

AU - Kakurai, Kazuhisa

AU - Matsuda, Masaaki

AU - Yang, Tao

AU - Cong, Rihong

AU - Lin, Jianhua

PY - 2012

Y1 - 2012

N2 - We studied the spin-5/2 antiferromagnetic (AF) linear trimer substance SrMn3P4O14 using neutron powder diffraction and inelastic neutron scattering (INS) techniques. We determined the magnetic structure below TN1 = 2.2(1) K. Ordered magnetic moments have x and z components. The angle between two neighboring moments in the trimer is 164 or 166° at 1.5 K, indicating that the intra-trimer (J1) interaction is AF as expected. The propagation vector is expressed as k = [0, ky, 0]. The value of ky is 0.317 at 1.5 K, indicating an incommensurate magnetic structure. The value of ky changes abruptly between 1.7 and 1.8 K and reaches values close to 0.33 above 1.8 K, indicating another phase transition at TN2 = 1.75(5) K. We observed plural magnetic excitations. The peak positions are 0.46, 0.68 and 1.02 meV. Our INS results are consistent with those expected in the trimer model. We evaluated the J 1 value as 0.29 meV (3.4 K).

AB - We studied the spin-5/2 antiferromagnetic (AF) linear trimer substance SrMn3P4O14 using neutron powder diffraction and inelastic neutron scattering (INS) techniques. We determined the magnetic structure below TN1 = 2.2(1) K. Ordered magnetic moments have x and z components. The angle between two neighboring moments in the trimer is 164 or 166° at 1.5 K, indicating that the intra-trimer (J1) interaction is AF as expected. The propagation vector is expressed as k = [0, ky, 0]. The value of ky is 0.317 at 1.5 K, indicating an incommensurate magnetic structure. The value of ky changes abruptly between 1.7 and 1.8 K and reaches values close to 0.33 above 1.8 K, indicating another phase transition at TN2 = 1.75(5) K. We observed plural magnetic excitations. The peak positions are 0.46, 0.68 and 1.02 meV. Our INS results are consistent with those expected in the trimer model. We evaluated the J 1 value as 0.29 meV (3.4 K).

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U2 - 10.1088/1742-6596/340/1/012066

DO - 10.1088/1742-6596/340/1/012066

M3 - Conference article

AN - SCOPUS:84863341619

SN - 1742-6588

VL - 340

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

M1 - 012066

T2 - 5th European Conference on Neutron Scattering, ECNS 2011

Y2 - 17 July 2011 through 21 July 2011

ER -

Neutron scattering studies of the spin-5/2 antiferromagnetic linear trimer substance SrMn₃P₄O₁₄

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