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Thin films of Pr0.7Ca 0.3MnO3, Nd-0.5Ca0.5MnO3 and Nd0.5Sr0.5MnO3 have been fabricated. by pulse laser deposition. Magnetic and electrical transport properties of these films were compared with their bulk solids. All the films grow in (101)…

材料科学 · 物理学 2009-10-31 A. Venimadhav , M. S. Hegde , R. Rawat , I. Das

Pr$_{1-x}$Ca$_x$Ba$_2$Cu$_3$O$_{7-\delta}$($x\approx$0.5) thin films have been grown on SrTiO$_3$ and YSZ substrates by the pulsed laser ablation. The substrate temperature dependence of orientation and superconducting poperties were…

超导电性 · 物理学 2007-05-23 J. Y. Xiang , Z. Y. Liu , J. Li , P. Wang , R. L. Wang , H. P. Yang , Y. Z. Zhang , D. N. Zheng , H. H. Wen , Z. X. Zhao

We investigated the nature of transport and magnetic properties in SrIr0.5Ru0.5O3, (SIRO) which has characteristics intermediate between a correlated non-Fermi liquid state and an itinerant Fermi liquid state, by growing perovskite thin…

强关联电子 · 物理学 2015-09-11 Abhijit Biswas , Yong Woo Lee , Sang Woo Kim , Yoon Hee Jeong

The momentum-dependent Rashba and Dresselhaus spin-splitting has gained much attention for its highly promising applications in spintronics. In the present work, ab initio density functional theory calculations are performed to study the…

材料科学 · 物理学 2022-08-02 Sajjan Sheoran , Manish Kumar , Preeti Bhumla , Saswata Bhattacharya

As a prototypical half-metallic ferromagnet, La0.67Sr0.33MnO3 (LSMO) has been extensively studied due to its versatile physical properties and great potential in spintronic applications. However, the weak perpendicular magnetic anisotropy…

材料科学 · 物理学 2023-08-02 Enda Hua , Kunjie Dai , Qing Wang , Huan Ye , Kuan Liu , Jinfeng Zhang , Jingdi Lu , Kai Liu , Feng Jin , Lingfei Wang , Wenbin Wu

Magnetic insulators with strong perpendicular magnetic anisotropy (PMA) play a key role in exploring pure spin current phenomena and developing ultralow-dissipation spintronic devices, thereby it is highly desirable to develop new material…

The (111)-oriented 4d ferromagnetic perovskite SrRuO3 (SRO) offers a unique triangular-lattice geometry, making it a promising platform for exploring Berry-curvature-driven and spin-orbit-coupled transport. Here, we present a systematic…

We report normal and superconducting properties of the Rashba-type noncentrosymmetric com- pound CaIrSi3, using single crystalline samples with nearly 100% superconducting volume fraction. The electronic density of states revealed by the…

超导电性 · 物理学 2012-11-22 G. Eguchi , H. Wadati , T. Sugiyama , E. Ikenaga , S. Yonezawa , Y. Maeno

Rashba spin orbit coupling in topological insulators has attracted much interest due to its exotic properties closely related to spintronic devices. The coexistence of nontrivial topology and giant Rashba splitting, however, has rare been…

材料科学 · 物理学 2017-03-27 Shou-juan Zhang , Wei-xiao Ji , Chang-wen Zhang , Ping Li , Pei-ji Wang

Epitaxial La0.7Sr0.3MnO3 (LSMO) thin films, with different thickness ranging from 20 nm up to 330 nm, were deposited on (100)-oriented strontium titanate (STO) substrates by pulsed laser deposition, and their structure and morphology…

Magnetocaloric properties of an inhomogeneous magnetic system of a 7.6 nm La${}_{0.7}$Sr${}_{0.3}$MnO${}_{3}$ consisting of superparamagnetic (SPM) with blocking temperature ( $T_B$ = 240 K) and ferromagnetic (FM) phases ( $T_C$ = 290 K) is…

The structural, magnetic and dielectric properties have been investigated in 3$d$-5$d$ based double perovskite Sr$_2$FeIrO$_6$ thin films deposited by pulse laser deposition technique. To understand the effect of strain, epitaxial films are…

强关联电子 · 物理学 2020-12-02 K. C. Kharkwal , Roshan Kumar Patel , K. Asokan , A. K. Pramanik

SrTiO3 is known for its proximity to a ferroelectric phase and for showing an 'optimal' doping for superconductivity with a characteristic dome-like behaviour resembling systems close to a quantum critical point. Several mechanisms have…

超导电性 · 物理学 2023-06-28 Maria N. Gastiasoro , Maria Eleonora Temperini , Paolo Barone , Jose Lorenzana

Effects of spin-orbit coupling and s-d exchange interaction are probed by magnetoresistance measurements carried out down to 50 mK on ZnO and Zn_{1-x}Mn_{x}O with x = 3 and 7%. The films were obtained by laser ablation and doped with Al to…

无序系统与神经网络 · 物理学 2009-11-11 T. Andrearczyk , J. Jaroszynski , G. Grabecki , T. Dietl , T. Fukumura , M. Kawasaki

We investigate structural and transport properties of highly Ru-deficient SrRu0.7O3 thin films prepared by molecular beam epitaxy on (001) SrTiO3 substrates. To distinguish the influence of the two types of disorders in the films, Ru…

We report a study of the local magnetism in thin films of SrRuO3 grown on (111) and (001) oriented SrTiO3 substrates using x-ray magnetic circular dichroism spectroscopy (XMCD) at the Ru-L2,3 edges. The application of the sum rules to the…

By using electrochemical etching, we fabricated conductive ultrathin SrVO3 (SVO) films that exhibited metallic behavior down to 3 monolayers (ML). From an observed systematic change in transport properties with decreasing film thickness, it…

强关联电子 · 物理学 2022-01-27 Hikaru Okuma , Yumiko Katayama , Keisuke Otomo , Kazunori Ueno

Epitaxial La$_{2/3}$Sr$_{1/3}$MnO$_3$ (LSMO) films have been grown on SrTiO$_3$ (001) substrates via pulsed laser deposition. In a 22-nm thick LSMO film with a low residual resistivity of $\rho_0$ = 59 $\mu \Omega$ cm, we found a zero-field…

强关联电子 · 物理学 2017-08-30 Shao-Pin Chiu , Michihiko Yamanouchi , Tatsuro Oyamada , Hiromichi Ohta , Juhn-Jong Lin

Tailoring spin-orbit interactions and Coulomb repulsion are the key features to observe exotic physical phenomena such as magnetic anisotropy and topological spin texture at oxide interfaces. Our study proposes a novel platform for…

We studied magnetic field dependent microwave absorption in epitaxial La$_{0.7}$Sr$_{0.3}$MnO$_{3}$ films using an X-band Bruker ESR spectrometer. By analyzing angular and temperature dependence of the ferromagnetic and spin-wave resonances…

强关联电子 · 物理学 2009-11-13 M. Golosovsky , P. Monod , P. K. Muduli , R. C. Budhani