Microwave absorption study of polycrystalline SmO<sub>1-x</sub>F<sub>x</sub>FeAs

Panarina, N.; Talanov, Yu. I.; Shaposhnikova, T. S.; Beysengulov, N. R.; Vavilova, E.; Kataev, V.; Behr, G.; Kondrat, A.; Heß, Christian; Leps, N.; Klingeler, R.; Büchner, B.

doi:10.1088/1742-6596/200/1/012154

J. Phys.: Conf. Ser.

2010

DOI: 10.1088/1742-6596/200/1/012154

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Microwave absorption study of polycrystalline SmO_1-xF_xFeAs

N. Panarina

Yu. I. Talanov

T. S. Shaposhnikova

et al.

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2015

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“…Therefore, NRMA studies in iron pnictide superconductors are important. So far, high field sweep magnetically modulated microwave absorption (MMMA) studies have been reported in iron pnictide superconductors [12, 36,37], but at low field sweep, the microwave absorption is unclear. Here, we report a systematic study of low field sweep NRMA on SmFeAsO 0.88 F 0.12 polycrystalline as a function of temperature and field modulation amplitude.…”

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confidence: 99%

Observation of a Structure and Line Shape Evolution of Non-resonant Microwave Absorption in a SmFeAs(O, F) Polycrystalline Iron Pnictide Superconductor

Onyancha

Shimoyama

Singh

2015

J Supercond Nov Magn

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We report on the non-resonant microwave absorption (NRMA) in a SmFeAsO 0.88 F 0.12 polycrystalline sample measured at 9.45 GHz below T c (6.06 − 42 K). The NRMA line shape has a structure with, remarkably, two peaks, namely; a broad peak 1 and a narrow peak 2. The narrow peak 2 is a new feature in the NRMA line shape of iron pnictide superconductors, and it appears at both high (0 − 10000 G) and low field (−250 through 0 to +250 G) sweeps. We have observed that the structure and NRMA line shape evolves as a function of temperature and field modulation amplitude. Most importantly, we observed that this line shape evolution as a function of temperature does not show a crossover from 'normal' to 'anomalous' type of absorption.

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mentioning

confidence: 99%

Observation of a Structure and Line Shape Evolution of Non-resonant Microwave Absorption in a SmFeAs(O, F) Polycrystalline Iron Pnictide Superconductor

Onyancha

Shimoyama

Singh

2015

J Supercond Nov Magn

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Microwave absorption study of polycrystalline SmO_1-xF_xFeAs

Cited by 1 publication

References 5 publications

Observation of a Structure and Line Shape Evolution of Non-resonant Microwave Absorption in a SmFeAs(O, F) Polycrystalline Iron Pnictide Superconductor

Observation of a Structure and Line Shape Evolution of Non-resonant Microwave Absorption in a SmFeAs(O, F) Polycrystalline Iron Pnictide Superconductor

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Microwave absorption study of polycrystalline SmO1-xFxFeAs

Cited by 1 publication

References 5 publications

Observation of a Structure and Line Shape Evolution of Non-resonant Microwave Absorption in a SmFeAs(O, F) Polycrystalline Iron Pnictide Superconductor

Observation of a Structure and Line Shape Evolution of Non-resonant Microwave Absorption in a SmFeAs(O, F) Polycrystalline Iron Pnictide Superconductor

Contact Info

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Microwave absorption study of polycrystalline SmO_1-xF_xFeAs