Explanipedia

Reversible tuning of magnetocaloric Ni-Mn-Ga-Co films on ferroelectric PMN-PT substrates Open

Benjamin Schleicher, Robert Niemann, Stefan Schwabe, Ruben Hühne, L. Schultz , et al. · 2017

Nucleation and growth of hierarchical martensite in epitaxial shape memory films Open

Robert Niemann, Anja Backen, Sandra Kauffmann‐Weiss, Christian Behler, U. Rößler , et al. · 2017

Role of twin and anti-phase defects in MnAl permanent magnets Open

S. Bance, Florian Bittner, T.G. Woodcock, L. Schultz, T. Schrefl · 2017

Role of twin and anti-phase defects in MnAl permanent magnets Open

S. Bance, Florian Bittner, T.G. Woodcock, L. Schultz, T. Schrefl · 2017

We quantify and explain the effects of both anti-phase boundaries and twin defects in as-transformed $τ$-MnAl by carrying out micromagnetic simulations based closely on the results of microstructural characterization. We demonstrate that m…

Micromagnetic investigation of domain and domain wall evolution through the spin-reorientation transition of an epitaxial NdCo5film Open

Marietta Seifert, L. Schultz, Rudolf Schäfer, Sebastian Hankemeier, Robert Frömter , et al. · 2017

The domain pattern and the domain wall microstructure throughout the spin-reorientation transition of an epitaxial NdCo _5 thin film are investigated by micromagnetic simulations. The temperature-dependent anisotropy constants K _1 and K _…

On the origin of perpendicular magnetic anisotropy in strained Fe–Co(–X) films Open

Ludwig Reichel, Å. Edström, Darius Pohl, Ján Rusz, Olle Eriksson , et al. · 2017

Very high magnetic anisotropies have been theoretically predicted for\nstrained Fe-Co(-X) and indeed several experiments on epitaxial thin films\nseemed to confirm strain induced anisotropy enhancement. This study presents a\ncritical anal…

Tailoring Microstructure and Superconducting Properties in Thick BaHfO3 and Ba2 Y(Nb/Ta)O6 Doped YBCO Films on Technical Templates Open

M. Sieger, Patrick Pahlke, Mayraluna Lao, M. Eisterer, Alexander Meledin , et al. · 2016

The current transport capability of YBa ₂ Cu ₃ O _7-x (YBCO) based coated conductors (CCs) is mainly limited by two features: the grain boundaries of the used textured template, which are transferred into th…

Growth, microstructure and thermal transformation behaviour of epitaxial Ni-Ti films Open

Sandra Kauffmann‐Weiss, S. Hahn, Carmen Weigelt, L. Schultz, M. Wägner , et al. · 2016

Epitaxial films have the potential to be used as model systems for fundamental investigations on the martensitic transformation in binary NiTi. In this paper, we discuss growth of binary NiTi thin films on single crystalline MgO substrates…

Quantifying magnetism on the nanometer scale: EMCD on individual FePt nanoparticles Open

Sebastian Schneider, Darius Pohl, Stefan Löffler, Deepa Kasinathan, Ján Rusz , et al. · 2016

Electron energy‐loss magnetic chiral dichroism (EMCD), which is the electron wave analogue of X‐ray magnetic circular dichroism (XMCD), offers the possibility to study magnetic properties at the nanoscale in a TEM. The relatively young met…

Magnetic properties of single nanomagnets: Electron energy-loss magnetic chiral dichroism on FePt nanoparticles Open

Sebastian Schneider, Darius Pohl, Stefan Löffler, Ján Rusz, Deepa Kasinathan , et al. · 2016

Quantifying Magnetism on the nm Scale: EMCD on Individual FePt Nanoparticles Open

Sebastian Schneider, Darius Pohl, Stefan Löffler, Deepa Kasinathan, Ján Rusz , et al. · 2016

Electron beam induced dehydrogenation of MgH2 studied by VEELS Open

Alexander R. Surrey, L. Schultz, Bernd Rellinghaus · 2016

Nanosized or nanoconfined hydrides are promising materials for solid-state hydrogen storage. Most of these hydrides, however, degrade fast during the structural characterization utilizing transmission electron microscopy (TEM) upon the irr…

Reducing the nucleation barrier in magnetocaloric Heusler alloys by nanoindentation Open

Robert Niemann, S. Hahn, Anett Diestel, Anja Backen, L. Schultz , et al. · 2016

Magnetocaloric materials are promising as solid state refrigerants for more efficient and environmentally friendly cooling devices. The highest effects have been observed in materials that exhibit a first-order phase transition. These tran…

Ba2Y(Nb/Ta)O6–Doped YBCO Films on Biaxially Textured Ni–5at.% W Substrates Open

M. Sieger, Patrick Pahlke, Jens Hänisch, Maria Sparing, Marco Bianchetti , et al. · 2016

The incorporation of nanoscaled pinning centers in superconducting (YBCO) films is one of the core topics to enhance the critical current density of coated conductors. The mixed double-perovskite Ba ₂ Y(Nb/Ta)O ₆ (B…

Pinning Centers in ISD-MgO Coated Conductors via EB-PVD Open

Benjamin Hamilton Stafford, M. Sieger, Oleksiy Troshyn, Ruben Hühne, Jens Hänisch , et al. · 2016

GdBa ₂ Cu ₃ O _7-x (GdBCO) films doped with up to 13.6 mol.% BaHfO ₃ (BHO) have been grown by electron beam physical vapor deposition (EB-PVD). A critical current density J _c at 30 K, 3…

Local Orientation Variations in YBCO Films on Technical Substrates - A Combined SEM and EBSD Study Open

Patrick Pahlke, M. Sieger, Paul Chekhonin, Werner Skrotzki, Jens Hänisch , et al. · 2016

Scanning electron microscope imaging and electron backscatter diffraction are applied to 400 nm thick YBCO films grown on Ni-9at.%W and ABAD-YSZ tape. On Ni-9at.%W tape, the orientation of YBCO strongly varies from grain to grain, which is…

Large pinning forces and matching effects in YBa2Cu3O7-δ thin films with Ba2Y(Nb/Ta)O6 nano-precipitates Open

L. Opherden, M. Sieger, Patrick Pahlke, Ruben Hühne, L. Schultz , et al. · 2016

The addition of mixed double perovskite Ba 2 Y(Nb/Ta)O 6 (BYNTO) to YBa 2 Cu 3 O 7−δ (YBCO) thin films leads to a large improvement of the in-field current carrying capability. For low deposition rates, BYNTO grows as well-oriented, densel…

Ti/Al Multi-Layered Sheets: Accumulative Roll Bonding (Part A) Open

Jan Romberg, J. Freudenberger, Hansjörg Bauder, Georg Plattner, Hans Krug , et al. · 2016

Co-deformation of Al and Ti by accumulative roll bonding (ARB) with intermediate heat treatments is utilized to prepare multi-layered Ti/Al sheets. These sheets show a high specific strength due to the activation of various hardening mecha…

Ti/Al Multi-Layered Sheets: Differential Speed Rolling (Part B) Open

Jan Romberg, J. Freudenberger, Hiroyuki Watanabe, Juliane Scharnweber, Andy Eschke , et al. · 2016

Differential speed rolling has been applied to multi-layered Ti/Al composite sheets, obtained from accumulative roll bonding with intermediate heat treatments being applied. In comparison to conventional rolling, differential speed rolling…

MOESM1 of Electron beam induced dehydrogenation of MgH2 studied by VEELS Open

Alexander R. Surrey, L. Schultz, Bernd Rellinghaus · 2016

Additional file 1: Figure S1. X-ray diffraction pattern of ball milledÂ MgH2 and the corresponding Rietveld refinement.

High field superconducting properties of Ba(Fe1−xCox)2As2 thin films Open

Jens Hänisch, K. Iida, F. Kurth, Elke Reich, C. Tarantini , et al. · 2015

Unusually high critical current of clean P-doped BaFe2As2 single crystalline thin film Open

F. Kurth, C. Tarantini, V. Grinenko, Jens Hänisch, J. Jaroszyński , et al. · 2015

Microstructurally clean, isovalently P-doped BaFe2As2 (Ba-122) single crystalline thin films have been prepared on MgO (001) substrates by molecular beam epitaxy. These films show a superconducting transition temperature (Tc) of over 30 K …

Designing new biocompatible glass‐forming Ti75‐xZr10NbxSi15 (x = 0, 15) alloys: corrosion, passivity, and apatite formation Open

Somayeh Abdi, Steffen Oswald, Petre Flaviu Gostin, Arne Helth, Jordi Sort , et al. · 2015

Glass‐forming Ti‐based alloys are considered as potential new materials for implant applications. Ti 75 Zr 10 Si 15 and Ti 60 Zr 10 Nb 15 Si 15 alloys (free of cytotoxic elements) can be produced as melt‐spun ribbons with glassy matrix and…

Bidirectional quantitative force gradient microscopy Open

Christopher F. Reiche, Silvia Vock, V. Neu, L. Schultz, B. Büchner , et al. · 2015

Dynamic operation modes of scanning force microscopy based on probe resonance frequency detection are very successful methods to study force-related properties of surfaces with high spatial resolution. There are well-recognized approaches …

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