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Related papers: NiTi Single Crystal Growth by Micro-Pulling-Down M…

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Polycrystalline Nd$_{1-x}$Eu$_{x}$NiO$_3$ ($0 \leq x \leq 0.5$) compounds were synthesized in order to investigate the character of the metal-insulator (MI) phase transition in this series. Samples were prepared through the sol-gel route…

Strongly Correlated Electrons · Physics 2007-05-23 M. T. Escote , V. B. Barbeta , R. F. Jardim , J. Campo

NiTi porous materials with unprecedented superelasticity and shape memory were manufactured by self-entangling, compacting and heat treating NiTi wires. The versatile processing route used here allows to produce entanglements of either…

Materials Science · Physics 2015-05-12 B. Gadot , O. Riu Martinez , S. Rolland du Roscoat , D. Bouvard , D. Rodney , L. Orgéas

Topotactic transition is a structural phase change in a matrix crystal lattice mediated by the ordered loss/gain and rearrangement of atoms, leading to unusual coordination environments and metal atoms with rare valent states. As early as…

Materials Science · Physics 2023-05-29 Ziang Meng , Han Yan , Peixin Qin , Xiaorong Zhou , Xiaoning Wang , Hongyu Chen , Li Liu , Zhiqi Liu

Tailoring nanoparticles composition and morphology is of particular interest for improving their performance for catalysis. A challenge of this approach is that the nanoparticles optimized initial structure often changes during use.…

Being one of the strongest materials, ternary TiSiN exhibits a very interesting family of binary transition metal nitride and silicide systems. A novel technique to fabricate morphologically fascinating nano and micro structures of TiSiN is…

Changes in stoichiometric NiTi allotropes induced by hydrostatic pressure have been studied employing density functional theory. By modelling the pressure-induced transitions in a way that imitates quasi-static pressure changes, we show…

Materials Science · Physics 2015-03-19 David Holec , Martin Friák , Antonín Dlouhý , Jörg Neugebauer

Lattice dynamical methods used to predict phase-transformations in crystals typically evaluate the harmonic phonon spectra and therefore do not work in frequent and important situations where the crystal structure is unstable in the…

Materials Science · Physics 2015-05-18 Petros Souvatzis , Dominik Legut , Olle Eriksson , Mikhail I. Katsnelson

A systematic study of magnetic properties of Ni2+xMn1-xGa (0 \le x \le 0.19) Heusler alloys undergoing structural martensite-austenite transformations while in ferromagnetic state has been performed. From measurements of spontaneous…

Materials Science · Physics 2009-11-10 V. V. Khovailo , V. Novosad , T. Takagi , D. A. Filippov , R. Z. Levitin , A. N. Vasilev

This study examines the influence of niobium and oxygen on phase stability, crystal structure, and martensitic transformation pathways in Ti-Nb-O alloys. A series of Ti-(8-28)Nb-(0-3)O (at.%) alloys were prepared and solution-treated in the…

Shape memory effect associated with martensitic transformations is of the rapidly developing field in nanotechnologies, where industrial use of systems established on that effect provide greater flexibility on the nano-devices fabrication…

The ability to control the stress-induced phase transformation of the shape memory alloy, NiTi, is an important technological challenge that must be understood for their wide application in devices that can exploit their reversible strain…

Materials Science · Physics 2024-06-19 Himanshu Vashishtha , David M. Collins

Ni-doped Cd1-xMnxS (x=0.4) thin films were prepared via a cost-effective chemical bath deposition (CBD) method to investigate their suitability for optoelectronic applications. Incorporation of a secondary transition metal such as Ni is…

Materials Science · Physics 2026-04-27 Himanshu Sharma Pathok , Padma Pani Shahu , Himanshu Kalita , Prasanta Kumar Saikia

The controlled design of martensitic transformation (MT) to achieve specific properties is crucial for the innovative application of shape memory alloys (SMAs) in advanced technologies. Herein, we explore and design the MT behaviors and the…

Materials Science · Physics 2021-05-14 Yuquan Zhu , Tao Xu , Qinghua Wei , Hongxin Yang , Takahiro Shimada , Takayuki Kitamura , Tong-Yi Zhang

Si nanoparticles (NPs) have been actively developed as a hyperpolarized magnetic resonance imaging (MRI) contrast agent with an imaging window close to one hour. However, the progress in the development of NPs has been hampered by the…

Additive manufacturing of Ti-6Al-4V alloy via laser powder-bed fusion leads to non-equilibrium $\alpha'$ martensitic microstructures, with high strength but poor ductility and toughness. These properties may be modified by heat treatments,…

Applied Physics · Physics 2024-04-16 A. D. Boccardo , Z. Zou , M. Simonelli , M. Tong , J. Segurado , S. B. Leen , D. Tourret

Lithium niobate and lithium tantalate are among the most widespread materials for nonlinear, integrated photonics. Mixed crystals with arbitrary Nb-Ta ratios provide a new degree of freedom to tune materials properties, such as the…

The niobium oxide polymorph T-Nb2O5 has been extensively investigated in its bulk form especially for applications in fast-charging batteries and electrochemical (pseudo)capacitors. Its crystal structure that has two-dimensional (2D) layers…

Significant research has focused on low-power stochastic devices built from memristive materials. These devices foster neuromorphic approaches to computational efficiency enhancement in merged biomimetic and CMOS architectures due to their…

Single crystals of the three-dimensional frustrated magnet and spin liquid candidate compound PbCuTe$_2$O$_6$ were grown using both the Travelling Solvent Floating Zone (TSFZ) and the Top-Seeded Solution Growth (TSSG) techniques. The growth…

Materials Science · Physics 2021-11-25 A. R. N. Hanna , A. T. M. N. Islam , R. Feyerherm , K. Siemensmeyer , K. Karmakar , S. Chillal , B. Lake

For the first time Lu$_2$S$_3$ (undoped and Pr-doped) single crystals were successfully grown from melt using micro-pulling-down (mPD) technique. Customization of halide mPD apparatus allowed us to grow rod-shaped (\O 2 mm and length around…