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Related papers: Enhanced magnon spin transport in NiFe$_2$O$_4$ th…

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Recent experiments observe the spin-wave-Meissner-current modes in ferromagnetic insulator-superconductor heterostructures, in which the coherently excited spin waves seemingly do not decay as usual beneath the superconductor strip [Borst…

Mesoscale and Nanoscale Physics · Physics 2024-06-17 Xi-Han Zhou , Xiyin Ye , Lihui Bai , Tao Yu

The structural crystal features, electron transport and magnetotransport of the epitaxial strontium iridate (SrIrO$_3$) and iridate/manganite SrIrO$_3$/La$_{0.7}$Sr$_{0.3}$MnO$_3$ heterostructure have been investigated. The influence of…

In this work thin magnetite films were deposited on SrTiO$_3$ via reactive molecular beam epitaxy at different substrate temperatures. The growth process was monitored in-situ during deposition by means of x-ray diffraction. While the…

Transition metal nitrides are a fascinating class of hard coating material that provide an excellent platform for investigating superconductivity and fundamental electron phonon interactions. In this work the structural morphological and…

We explore the electrical transport and magneto-conductance in quasi two-dimensional strongly correlated ultrathin films of LaNiO$_{3}$ (LNO) to investigate the effect of hetero-epitaxial strain on electron-electron and electron-lattice…

Strongly Correlated Electrons · Physics 2015-05-28 E. J. Moon , B. A. Gray , M. Kareev , J. Liu , S. G. Altendorf , F. Strigari , L. H. Tjeng , J. W. Freeland , J. Chakhalian

Spin information carried by magnons is attractive for computing technology and the development of magnon-based computing circuits is of great interest. However, magnon transport in insulators has been challenging, different from the clear…

Materials Science · Physics 2017-03-08 X. J. Zhou , G. Y. Shi , J. H. Han , Q. H. Yang , Y. H. Rao , H. W. Zhang , L. L. Lang , S. M. Zhou , F. Pan , C. Song

We report on the electronic transport and the impact of spin-filtering in mesa-structures made of epitaxial thin films of cuprate superconductor YBa2Cu3Ox(YBCO) and the manganite LaMnO3 (LMO) interlayer with the Au/Nb counterelectrode.…

Despite the low resistivity (~ 1 mohm cm), the metallic electrical transport has not been commonly observed in the inverse spinel NiCo2O4, except in certain epitaxial thin films. Previous studies have stressed the effect of valence mixing…

Materials Science · Physics 2019-04-30 Congmian Zhen , XiaoZhe Zhang , Wengang Wei , Wenzhe Guo , Ankit Pant , Xiaoshan Xu , Jian Shen , Li Ma , Denglu Hou

We have studied spin transport and magnetoresistance in yttrium iron garnet (YIG)/NiO/Pt trilayers with varied NiO thickness. To characterize the spin transport through NiO we excite ferromagnetic resonance in YIG with a microwave frequency…

Materials Science · Physics 2016-10-19 Yu-Ming Hung , Christian Hahn , Houchen Chang , Mingzhong Wu , Hendrik Ohldag , Andrew D. Kent

Spin transport through magnetic insulators via magnons has recently been explored for a growing variety of magnetic systems with long-range order and well-understood spin excitation spectra. Here we show dramatic effects of spin transport…

Mesoscale and Nanoscale Physics · Physics 2017-10-25 Devin Wesenberg , Tao Liu , Davor Balzar , Mingzhong Wu , Barry L. Zink

A theoretical formulation for spin transport through an antiferromagnetic (AF) insulator is presented in the case driven/detected by direct/inverse spin Hall effect in two heavy metal contacts. The spin signal is shown to be transferred by…

Mesoscale and Nanoscale Physics · Physics 2019-05-15 Gen Tatara , Christian Ortiz Pauyac

We study the effect of a magnetic insulator (Yttrium Iron Garnet - YIG) substrate on the spin transport properties of Ni$_{80}$Fe$_{20}$/Al nonlocal spin valve (NLSV) devices. The NLSV signal on the YIG substrate is about 2 to 3 times lower…

Mesoscale and Nanoscale Physics · Physics 2015-03-30 F. K. Dejene , N. Vlietstra , D. Luc , X. Waintal , J. Ben Youssef , B. J. van Wees

Spin waves in magnetic materials are promising information carriers for future computing technologies due to their ultra-low energy dissipation and long coherence length. Antiferromagnets are strong candidate materials due, in part, to…

Structural and magnetic properties of Mn5(SixGe1-x)3 thin films were investigated. Ferromagnetic Mn5Ge3 and anti-ferromagnetic Mn5Si3 thin films have been synthesized and characterized as these compounds exhibit interesting features for the…

Raman spectroscopy is utilized to study the magnetic characteristics of heteroepitaxial NiO thin films grown by plasma-assisted molecular beam epitaxy on MgO(100) substrates. For the determination of the N\'eel temperature, we demonstrate a…

Materials Science · Physics 2020-07-24 J. Feldl , M. Budde , C. Tschammer , O. Bierwagen , M. Ramsteiner

The compensated magnetic order and characteristic, terahertz frequencies of antiferromagnetic materials makes them promising candidates to develop a new class of robust, ultra-fast spintronic devices. The manipulation of antiferromagnetic…

Rare-earth iron garnets have distinctive spin-wave (SW) properties such as low magnetic damping and long SW coherence length making them ideal candidates for magnonics. Among them, thulium iron garnet (TmIG) is a ferrimagnetic insulator…

Gradual modification of the magnetic properties in ferromagnetic films has recently been proposed as an effective method to channel and control spin waves for the development of new functionalities in magnonic devices. Here, we investigate…

The specific band structure of graphene, with its unique valley structure and Dirac neutrality point separating hole states from electron states has led to the observation of new electronic transport phenomena such as anomalously quantized…

Mesoscale and Nanoscale Physics · Physics 2011-05-05 Nikolaos Tombros , Csaba Jozsa , Mihaita Popinciuc , Harry T. Jonkman , Bart J. van Wees

Epitaxial strain in thin films can yield surprising magnetic and electronic properties not accessible in bulk. One materials system destined to be explored in this direction are orthoferrites with two intertwined spin systems where strain…

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