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Related papers: Atomically-Smooth Single-Crystalline VO$_2$ thin f…

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In order to study the origin of metallization of VO$_2$ induced by electron injection, we deposit K atoms onto the surface of VO$_2$ films grown on TiO$_2$ (001) substrates, and we investigate the change in the electronic and crystal…

Strongly Correlated Electrons · Physics 2019-03-27 Daisuke Shiga , Makoto Minohara , Miho Kitamura , Ryu Yukawa , Koji Horiba , Hiroshi Kumigashira

Chemically _ driven isothermal close space vapour transport was used to prepare pure MoO2 films which were eventually converted to MoO3 by annealing in air. According to temperature_dependent Raman measurements, the MoO2/MoO3 phase…

Materials Science · Physics 2021-04-22 O. de Melo , Y. Gonzalez , A. Climent-Font , P. Galan , A. Ruediger , M. Sanchez , C. Calvo , G. Santana , V. Torres-Costa

Thin (approximately 10 nm) oxide buffer layers grown over lead-halide perovskite device stacks are critical for protecting the perovskite against mechanical and environmental damage. However, the limited perovskite stability restricts the…

Transition metal nitrides have received significant interest for use within plasmonic and optoelectronic devices. However, deposition temperature remains a significant barrier to the integration of transition metal nitrides as plasmonic…

Vanadium oxides are strongly correlated materials which display metal-insulator transitions as well as various structural and magnetic properties that depend heavily on oxygen stoichiometry. Therefore, it is crucial to precisely control…

Materials Science · Physics 2020-12-21 Min-Han Lee , Yoav Kalcheim , Javier del Valle , Ivan K. Schuller

Controlling the interconnection of neighboring seeds (nanoflakes) to full coverage of the textured substrate is the main challenge for the large-scale conformal growth of atomic-thick transition metal dichalcogenides by chemical vapor…

Crystalline wurtzite zinc oxide (w-ZnO) can be used as a wide band gap semiconductor for light emitting devices and for transparent or high temperature electronics. The use of amorphous zinc oxide (a-ZnO) can be an advantage in these…

Materials Science · Physics 2022-11-29 M. Zubkins , J. Gabrusenoks , G. Chikvaidze , I. Aulika , J. Butikova , R. Kalendarev , L. Bikse

Micron-thick boron films have been deposited by Pulsed Laser Deposition in vacuum on several substrates at room temperature. The use of high energy pulses (>700 mJ) results in the deposition of smooth coatings with low oxygen uptake even at…

We report the epitaxial growth and the electrical properties, especially the metal-to-insulator transition (MIT), of vanadium dioxide (VO2) thin films synthesized on LSAT (111) ([LaAlO3]0.3[Sr2AlTaO6]0.7) substrates by pulsed laser…

Materials Science · Physics 2019-06-11 Yang Liu , Shanyuan Niu , Thomas Orvis , Haimang Zhang , Han Wang , Jayakanth Ravichandran

Dynamic radiative cooling with variable emissive power is experimentally demonstrated in this study by a wavelength-selective tunable metafilm emitter, which consists of an opaque aluminum film, a sputtered silicon spacer, and a…

We experimentally demonstrate that a thin (~150 nm) film of vanadium dioxide (VO2) deposited on sapphire has an anomalous thermal emittance profile when heated, which arises due to the optical interaction between the film and the substrate…

The surface termination of (100)-oriented LaAlO3 (LAO) single crystals was examined by atomic force microscopy and optimized to produce a single-terminated atomically flat surface by annealing. Then the atomically flat STO film was achieved…

Materials Science · Physics 2012-05-09 Z. Q. Liu , Z. Huang , W. M. Lü , K. Gopinadhan , X. Wang , A. Annadi , T. Venkatesan , Ariando

Employing amorphous superconductors, such as Type-II molybdenum silicide (MoSi), instead of crystalline materials significantly simplifies the material deposition and scalable nanoscale prototyping, beneficial for quantum electronic and…

We report a detailed study performed on La2Zr2O7 (LZO) pyrochlore material grown by Metal-Organic Decomposition (MOD) method as buffer layers for YBa2Cu3O7-x (YBCO) coated conductors. High quality epitaxial LZO thin films have been obtained…

We report a novel method for depositing patterned dielectric layers with sub-micron features using atomic layer deposition (ALD). The patterned films are superior to sputtered or evaporated films in continuity, smoothness, conformality, and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. J. Biercuk , D. J. Monsma , C. M. Marcus , J. S. Becker , R. G. Gordon

This study aims towards a systematic reciprocity of the tunable synthesis parameters - partial pressure of N$_2$ gas, ion energy (\Ei) and Ti interface in TiN thin film samples deposited using ion beam sputtering at ambient temperature…

Materials Science · Physics 2020-06-22 Susmita Chowdhury , Rachana Gupta , Shashi Prakash , Layanta Behera , D. M. Phase , Mukul Gupta

The field of oxide spintronics can strongly benefit from the establishment of robust ferromagnetic insulators with near room-temperature Curie temperature. Here we investigate the structural, electronic, and magnetic properties of…

Nb-doped SrTiO$_{3}$ epitaxial thin films have been prepared on (001) SrTiO$_{3}$ substrates using pulsed laser deposition. A high substrate temperature ($>1000^{\circ}{C}$) was found to be necessary to achieve 2-dimensional growth. Atomic…

Superconductivity · Physics 2015-06-25 K. S. Takahashi , D. Jaccard , K. Shibuya , T. Ohnishi , M. Lippmaa , J. -M. Triscone

We review the thin film growth, chemistry, and physical properties of Group 4-6 transition-metal diboride (TMB2) thin films with AlB2-type crystal structure (Strukturbericht designation C32). Industrial applications are growing rapidly as…

Materials Science · Physics 2021-12-30 Martin Magnuson , Lars Hultman , Hans Högberg

The VO2 polymorphs, i.e., VO2(A), VO2(B), VO2(M1) and VO2(R), have a wide spectrum of functionalities useful for many potential applications in information and energy technologies. However, synthesis of phase pure materials, especially in…

Materials Science · Physics 2015-09-03 Shinbuhm Lee , Ilia N. Ivanov , Jong K. Keum , Ho Nyung Lee