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Aluminosilicate (Al-Si-O) thin films containing up to 31 at. % Al and 23 at. % Si were prepared by reactive RF magnetron co-sputtering. Mechanical and structural properties were measured by indentation and specular reflectance infrared…

Materials Science · Physics 2023-06-29 Stefan Karlsson , Per Eklund , Lars Österlund , Jens Birch , Sharafat Ali

An electronic effect on a macroscopic domain structure is found in a strongly correlated half-doped manganite film Nd$_{0.5}$Sr$_{0.5}$MnO3 grown on a (011) surface of SrTiO3. The sample has a high-temperature (HT) phase free from…

Strongly Correlated Electrons · Physics 2011-03-01 Y. Wakabayashi , H. Sagayama , T. Arima , M. Nakamura , Y. Ogimoto , Y. Kubo , K. Miyano , H. Sawa

The effect of vacuum annealing thin films of the compensated ferrimagnetic half-metal Mn2RuxGa at temperatures from 250 to 400 degree Celsius is investigated. The 39.3 nm films deposited on (100) MgO substrates exhibit perpendicular…

Materials Science · Physics 2019-04-04 K. E. Siewierska , G. Atcheson , K. Borisov , M. Venkatesan , K. Rode , J. M. D. Coey

The optical and magneto-optical properties of thin epitaxial Ni-Mn-Ga films, with thicknesses ranging from 8 to 160 nm, were investigated across the spectral range of 0.7-6.4 eV. The films were deposited by DC magnetron sputtering on MgO…

Materials Science · Physics 2025-07-08 M. Makeš , J. Zázvorka , M. Hubert , P. Veřtát , M. Rameš , J. Zemen , O. Heczko , M. Veis

Micro-electro-mechanical resonators employing a magnetic element have been proposed for magnetic field sensing applications, but the integration of magnetic materials with standard semiconductor compounds is challenging and requires complex…

We have investigated the ferrimagnetic domain structure in a Gd$_{0.67}$Ca$_{0.33}$MnO$_{3}$ thin film using magnetic force microscopy. We observe clear signs of phase separation, with magnetic islands embedded in a non-magnetic matrix. We…

Strongly Correlated Electrons · Physics 2015-06-03 Jeehoon Kim , N. Haberkorn , Leonardo Civale , Evgeny Nazaretski , Paul Dowden , Avadh Saxena , J. D. Thompson , Roman Movshovich

We have investigated the effect of electric field control on the magnetization and the transport properties in La0.7Ca0.3MnO3 (LCMO) ultrathin film (~10 nm) by using it as the semiconductor channel material of a prototypical field effect…

Mesoscale and Nanoscale Physics · Physics 2015-07-22 Himanshu Sharma , A. Tulapurkar , C. V. Tomy

We present temperature-dependent scanning tunneling spectroscopy measurements on $La_{1-x}Ca_{x}MO_{3}$ ($x\sim0.33$) films with different degrees of biaxial strain. A depletion in normalized conductance around the Fermi level is observed…

Strongly Correlated Electrons · Physics 2015-05-13 S. Seiro , Y. Fasano , I. Maggio-Aprile , E. Koller , R. Lortz , Ø. Fischer

In this study, we investigate the magnetic and magnetocaloric properties of nanostructured La0.6Sr0.4CoO3 (LSC) samples synthesized under confinement conditions within porous templates. Using this method, we obtained de-agglomerated…

We report on the temperature and field dependence of resistance of La0.7Sr0.3MnO3 thin films over a wide temperature range and in pulsed magnetic fields up to 60 T. The epitaxial La0.7Sr0.3MnO3 thin films were deposited by laser molecular…

Strongly Correlated Electrons · Physics 2017-01-13 Wei Niu , Xuefeng Wang , Ming Gao , Zhengcai Xia , Jun Du , Yuefeng Nie , Fengqi Song , Yongbing Xu , Rong Zhang

Varying the substrate temperature changes structural and magnetic properties of spinel ferrite NZFO thin films. XRD of films grown at different temperature display only 004 reflections, without any secondary peaks, showing growth…

Materials Science · Physics 2018-07-02 Dhiren K. Pradhan , Shalini Kumari , Dillip K. Pradhan , Ashok Kumar , Ram S. Katiyar , R. E. Cohen

The evolution of the structural and transport properties of underdoped La$_{1.952}$Sr$_{0.048}$CuO$_4$ thin films under compressive epitaxial strain has been studied. The films of different thicknesses $d$ (from 26 nm to 120 nm) were…

Superconductivity · Physics 2020-02-26 I. Zaytseva , R. Minikayev , E. Dobročka , M. Špankova , N. Bruyant , Marta Z. Cieplak

The effect of gold capping on magnetic and transport properties of optimally doped manganite thin films is studied. An extraordinary suppression of conductivity and magnetic properties occurs in epitaxial (001) La_0.67Sr_0.33MnO_3 (LSMO)…

Materials Science · Physics 2008-05-14 A. A. Sidorenko , G. Allodi , R. De Renzi , S. Brivio , M. Cantoni , M. Finazzi , R. Bertacco

We use neutron scattering to study the lattice and magnetic structure of the layered half-doped manganite Pr$_{0.5}$Ca$_{1.5}$MnO$_4$. On cooling from high temperature, the system first becomes charge- and orbital- ordered (CO/OO) near…

Strongly Correlated Electrons · Physics 2009-11-13 Songxue Chi , F. Ye , Pengcheng Dai , J. A. Fernandez-Baca , Q. Huang , J. W. Lynn , E. W. Plummer , R. Mathieu , Y. Kaneko , Y. Tokura

The effects of sintering temperature (Ts) and chemical substitution on the structural and magnetic properties of manganite compounds La1-xSrxMn1-yFeyO3 (0.025 <= x <= 0.7; y= 0.01,0.15) are explored in a search to optimize their…

Materials Science · Physics 2024-04-30 N. Brahiti , M. Balli , M. Abbasi Eskandari , A. El Boukili , P. Fournier

Generally, one has two strategies to achieve magnetic frustration: through geometric means or interactions with different length scales. As the former leads to much simpler theoretical treatments it is favored and so magnetic sublattices…

Strongly Correlated Electrons · Physics 2020-02-26 K. M. Taddei , L. D. Sanjeewa , J. Xing , Q. Zhang , D. Parker , A. Podleznyak , D. dela Cruz , A. S. Sefat

Magneto optic measurements are a very powerful tool for investigating the polarization of a conduction band as a function of temperature and are used here to study the polarization of the mobile electrons in 50nm LSMO (x=0.3) strained thin…

Strongly Correlated Electrons · Physics 2009-11-13 T. K. Nath , J. R. Neal , G. A. Gehring

We present a systematic study of the magnetic properties of semiconducting ZnFe$_2$O$_4$ thin films fabricated by pulsed laser deposition at low and high oxygen partial pressure and annealed in oxygen and argon atmosphere, respectively. The…

Applied Physics · Physics 2020-10-28 Vitaly Zviagin , Chris Sturm , Pablo Esquinazi , Marius Grundmann , Rüdiger Schmidt-Grund

We study the static and dynamic magnetic properties of epitaxially strained $\gamma$-$\mathrm{Fe_2O_3}$ (maghemite) thin films grown via pulsed-laser deposition on MgO substrates by SQUID magnetometry and cryogenic broadband ferromagnetic…

We investigate electron transport and phase-breaking processes in thin titanium nitride (TiN) films of epitaxial quality. Previous studies show that a minute surface magnetic disorder significantly reduces the critical temperature…

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