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Suppression of the magnetic order in CeFeAsO: Nonequivalence of hydrostatic and in-plane chemical pressure

Autor: Dongzhou Zhang, Rhea Kappenberger, Til Goltz, Sabine Wurmehl, Jiyong Zhao, Michael Y. Hu, Bernd Büchner, Philipp Materne, Christoph Geibel, Anton Jesche, Hans-Henning Klauss, Esen E. Alp, J. Spehling, Saicharan Aswartham, Wenli Bi

Publikováno v: Physical Review B. 98

We present a detailed investigation of the electronic properties of CeFeAsO under chemical (As by P substitution) and hydrostatic pressure by means of in-house and synchrotron M\"ossbauer spectroscopy. The Fe magnetism is suppressed due to both press

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d296bac3e87e02edabdf4c7f092dcbe8
https://doi.org/10.1103/physrevb.98.014517

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Coexistence of superconductivity and magnetism inCa1−xNaxFe2As2: Universal suppression of the magnetic order parameter in 122 iron pnictides

Autor: Bernd Büchner, Philipp Materne, Sirko Kamusella, H. Maeter, Luminita Harnagea, Hans-Henning Klauss, Til Goltz, J. Spehling, Sabine Wurmehl, Hubertus Luetkens, Carsten Timm, Rajib Sarkar

Publikováno v: Physical Review B. 92

We present a detailed investigation of the magnetic and superconducting properties of ${\mathrm{Ca}}_{1\ensuremath{-}x}{\mathrm{Na}}_{x}{\mathrm{Fe}}_{2}{\mathrm{As}}_{2}$ single crystals with $x=0.00$, 0.35, 0.50, and 0.67 by means of the local prob

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0b55cf7f97943ae30ca1557af0606b8
https://doi.org/10.1103/physrevb.92.134511

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Magnetic order and spin dynamics inLa2O2Fe2OSe2probed byFe57Mössbauer,La139NMR, and muon-spin relaxation spectroscopy

Autor: Sirko Kamusella, H. D. Zhou, M. Günther, Rajib Sarkar, Bernd Büchner, Seung-Hwan Do, Hans-Henning Klauss, K.-Y. Choi, Til Goltz, Sabine Wurmehl, H. Luetkens, C. G. F. Blum, G. Pascua

Publikováno v: Physical Review B. 90

We present a detailed local probe study of the magnetic order in the oxychalcogenide La2O2Fe2OSe2 utilizing 57Fe Moessbauer, 139La NMR, and muon spin relaxation spectroscopy. This system can be regarded as an insulating reference system of the Fe ars

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36fb64ff1ff38824c89b69a5523ecdf7
https://doi.org/10.1103/physrevb.90.184408

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Interplay of magnetism and superconductivity in EuFe$_{2}$(As$_{1-x}$P$_{x}$)$_{2}$ single crystals probed by muon spin rotation and ${}^{57}$Fe M\'ossbauer spectroscopy

Autor: J. Spehling, Philipp Gegenwart, Sirko Kamusella, Rajib Sarkar, Hans-Henning Klauss, Hubertus Luetkens, Philipp Materne, Til Goltz, Hirale S. Jeevan

We present our results of a local probe study on EuFe$_{2}$(As$_{1-x}$P$_{x}$)$_{2}$ single crystals with $x$=0.13, 0.19 and 0.28 by means of muon spin rotation and ${}^{57}$Fe M\"ossbauer spectroscopy. We focus our discussion on the sample with $x$=

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27e63d2886605aa9d83a7e11ba97d95f
http://arxiv.org/abs/1406.7715

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Microscopic coexistence of magnetism and superconductivity in charge-compensatedBa1−xKx(Fe1−yCoy)2As2

Autor: Philipp Materne, Veronika Zinth, Til Goltz, Helge Rosner, G. Pascua, Hans-Henning Klauss, Dirk Johrendt, Hubertus Luetkens

Publikováno v: Physical Review B. 89

We present a detailed investigation of the electronic phase diagram of effectively charge compensated ${\text{Ba}}_{1\ensuremath{-}x}$${\text{K}}_{x}$(${\text{Fe}}_{1\ensuremath{-}y}$${\text{Co}}_{y}$)${}_{2}$${\text{As}}_{2}$ with $x/2\ensuremath{\a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f61b995f3af45087e925f501f62762bf
https://doi.org/10.1103/physrevb.89.144511

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ChemInform Abstract: Room-Temperature Synthesis, Hydrothermal Recrystallization, and Properties of Metastable Stoichiometric FeSe

Autor: Walter Schnelle, Michael Ruck, Hans-Henning Klauss, Paul Simon, Th. Doert, Til Goltz, Anna Isaeva, Ulrike Mueller, Fabian Nitsche

Publikováno v: ChemInform. 43

Metastable FeSe is synthesized by diffusion-controlled precipitation from Li2Se and FeI2 powders at room temperature using water as diffusion medium (Ar, H-shaped tube, 40 d) and by hydrothermal recrystallization from aqueous solutions of Li2Se and F

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1ce770f4787691a67f87b9c2621c789
https://doi.org/10.1002/chin.201239016

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Ferromagnetism and superconductivity in CeFeAs1−xPxO (0≤x≤40%)

Autor: Cornelius Krellner, Jörg Sichelschmidt, J. Spehling, M. de Souza, Hans-Henning Klauss, Roman Gumeniuk, Michael Nicklas, Hubertus Luetkens, Anton Jesche, C. Geibel, T. Förster, Til Goltz, Michael Lang

Publikováno v: Physical Review B. 86

We report on superconductivity in CeFeAs${}_{1\ensuremath{-}x}$P${}_{x}$O and the possible coexistence with Ce ferromagnetism (FM) in a small homogeneity range around $x=30%$ with ordering temperatures of ${T}_{\text{SC}}\ensuremath{\cong}{T}_{\text{

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01f9932c63eabe98761bfc8b984f3084
https://doi.org/10.1103/physrevb.86.020501

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Room-temperature synthesis, hydrothermal recrystallization, and properties of metastable stoichiometric FeSe

Autor: Anna Isaeva, Hans-Henning Klauss, Walter Schnelle, Michael Ruck, Thomas Doert, Fabian Nitsche, Til Goltz, Paul Simon, Ulrike Müller

Publikováno v: Inorganic chemistry. 51(13)

Room-temperature precipitation from aqueous solutions yields the hitherto unknown metastable stoichiometric iron selenide (ms-FeSe) with tetragonal anti-PbO type structure. Samples with improved crystallinity are obtained by diffusion-controlled prec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d72103ea8e91825b4fd5de20a828544
https://pubmed.ncbi.nlm.nih.gov/22716049

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CDW order and unconventional s-wave superconductivity in Ba1-xNaxTi2Sb2O

Autor: Arnold M. Guloy, Sirko Kamusella, Hubertus Luetkens, Til Goltz, Hans-Henning Klauss, Rajib Sarkar, Phuong Doan

Publikováno v: Journal of Physics: Conference Series. 551:012026

Due to its anticuprate Ti2O layer and its fascinating phase diagram with a large coexistence area of superconductivity and a density wave phase, the new class of titanium based superconductors attracts great scientific interest. In this paper we repo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d62e4a993d22650137166b32dab2432a
https://doi.org/10.1088/1742-6596/551/1/012026

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