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We investigated structural, magnetic and electrical properties of sputter deposited Mn-Fe-Ga compounds. The crystallinity of the Mn-Fe-Ga thin films was confirmed using x-ray diffraction. X-ray reflection and atomic force microscopy…

The preparation of Ag 2+x Se thin films with thicknesses between 4 nm and 3000 nm by pulsed laser deposition on single crystalline NaCl and MgO substrates is reported. The films are perfectly dense and show a good lateral uniformity with a…

其他凝聚态物理 · 物理学 2007-11-22 B. Mogwitz , C. Korte , M. von Kreutzbruck , L. Kienle , J. Janek

Thin films of magnesium doped zinc oxide (MZO) were synthesized using the sol gel method and annealed at different temperatures under ambient condition. The morphological properties of the post annealed MZO films were investigated using X…

材料科学 · 物理学 2019-09-09 Joydip Sengupta , Arifeen Ahmed , Rini Labar

Cu2Ta4O12 (CTaO) thin films were successfully deposited on Si(100) substrates by pulsed-laser deposition technique. The crystalline structure and the surface morphology of the CTaO thin films were strongly affected by substrate temperature,…

材料科学 · 物理学 2007-05-23 A. Heinrich , B. Renner , R. Lux , S. G. Ebbinghaus , A. Reller , B. Stritzker

Imaging surfaces using low energy neutral atom scattering is a relatively recent development in the field of microscopy. In this work we demonstrate that this technique is sensitive enough to distinguish films as thin as a single monolayer…

化学物理 · 物理学 2022-03-02 Geetika Bhardwaj , Krishna Rani Sahoo , Rahul Sharma , Parswa Nath , Pranav R. Shirhatti

MgGeN2 films were synthesized using metal-organic chemical vapor deposition on GaN/c-sapphire templates and c-plane sapphire substrates. Energy-dispersive X-ray spectroscopy was used to estimate the cation composition ratios. To mitigate…

Mn$_2$VAl Heusler alloy films were epitaxially grown on MgO(100) single crystal substrates by means of ultra-high-vacuum magnetron sputtering. A2 and L2$_1$ type Mn$_2$VAl order was controlled by the deposition temperatures. A2-type…

Among the wide bandgap semiconductors, TiO$_{2}$ is the highly stable and cost-efficient semiconductor used for the different photocatalysis processes like water splitting, chemical waste degradation, anti-micro bacterial activities, and…

材料科学 · 物理学 2022-07-27 Manish K Vishwakarma , Manjeet , Puneet Jain

We report on the successful synthesis of highly conductive PdCoO2 ultrathin films on Al2O3 (0001) by pulsed laser deposition. The thin films grow along the c-axis of the layered delafossite structure of PdCoO2, corresponding to the…

强关联电子 · 物理学 2018-04-24 T. Harada , K. Fujiwara , A. Tsukazaki

We fabricated superconducting MgB2 thin films on (001) MgO substrates. The samples were prepared by magnetron rf and dc co-sputtering on heated substrates. They were annealed ex-situ for one hour at temperatures between 450{\deg}C and…

超导电性 · 物理学 2010-10-27 Savio Fabretti , Patrick Thomas , Markus Meinert , Andy Thomas

Thin films of Co2MnSi have been grown on a-plane sapphire substrates from three elemental targets by dc magnetron co-sputtering. These films are single phase, have a strong (110) texture and a saturation magnetization of 4.95 uB/formula…

材料科学 · 物理学 2009-11-10 L. J. Singh , Z. H. Barber , Y. Miyoshi , Y. Bugoslavsky , W. R. Branford , L. F. Cohen

The fabrication of oxide electronics devices is presently hindered by the lack of standardized and well established patterning procedures, applicable down to the nanoscale. In this work, the authors propose a procedure to obtain patterns…

The problem of the role of transverse fields in Mn12-acetate, a molecular nanomagnet, is still open. We present structural evidences that the disorder of the acetic acid of crystallization indices sizeable distortion of the Mn(III) sites,…

介观与纳米尺度物理 · 物理学 2009-11-07 A. Cornia , R. Sessoli , L. Sorace , D. Gatteschi , A. L. Barra , C. Daiguebonne

Precise control of surface properties including electrical characteristics, wettability, and friction is a prerequisite for manufacturing modern organic electronic devices. The successful combination of bottom up approaches for aligning and…

材料科学 · 物理学 2011-07-05 G. Hlawacek , Q. Shen , C. Teichert , A. Lex , G. Trimmel , W. Kern

Ruthenium dioxide (RuO$_2$) thin films were synthesized by Chemical Solution Deposition (CSD) on silicon substrates using only water and acetic acid as solvents. The microstructure, phase-purity, electrical and optical properties as well as…

We present a universal nanomechanical sensing platform for the investigation of magnetostriction in thin films. It is based on a doubly-clamped silicon nitride nanobeam resonator covered with a thin magnetostrictive film. Changing the…

The fabrication, characterisation, and superconductivity of MgB2 thick films grown on stainless steel substrate were studied. XRD, SEM, and magnetic measurements were carried out. It was found that the MgB2 thick films can be fast formed by…

超导电性 · 物理学 2007-05-23 A. H. Li , X. L. Wang , M. Ionescu , S. Soltonian , J. Horvat , T. Silver , H. K. Liu , S. X. Dou

An atomic force microscope is used to structure a film of multilayer graphene. The resistance of the sample was measured in-situ during nanomachining narrow trenches. We found a reversible behavior in the electrical resistance which we…

介观与纳米尺度物理 · 物理学 2008-03-18 P. Barthold , T. Luedtke , R. J. Haug

We present an original method to magnetically pattern thin layers of (Ga,Mn)As. It relies on local hydrogen passivation to significantly lower the hole density, and thereby locally suppress the carrier-mediated ferromagnetic phase. The…

Dewetting of thin liquid films is monitored in situ by atomic force microscopy, results are compared with simulations. The experimental setting is mimicked as close as possible using the experimental parameters including the effective…

软凝聚态物质 · 物理学 2007-05-23 Jürgen Becker , Günther Grün , Ralf Seemann , Karin Jacobs