Search Results - "Orava, Jiri"

Fragile-to-Strong Crossover in Supercooled Liquid Ag-In-Sb-Te Studied by Ultrafast Calorimetry by Orava, Jiri, Hewak, Daniel W., Greer, A. Lindsay

“…Phase‐change random‐access memory relies on the reversible crystalline‐glassy phase change in chalcogenide thin films. In this application, the speed of…”
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In situ correlation between metastable phase-transformation mechanism and kinetics in a metallic glass by Orava, Jiri, Balachandran, Shanoob, Han, Xiaoliang, Shuleshova, Olga, Nurouzi, Ebrahim, Soldatov, Ivan, Oswald, Steffen, Gutowski, Olof, Ivashko, Oleh, Dippel, Ann-Christin, Zimmermann, Martin v., Ivanov, Yurii P., Greer, A. Lindsay, Raabe, Dierk, Herbig, Michael, Kaban, Ivan

“…A combination of complementary high-energy X-ray diffraction, containerless solidification during electromagnetic levitation and transmission electron…”
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Controlling Selective Doping and Energy Transfer between Transition Metal and Rare Earth Ions in Nanostructured Glassy Solids by Gao, Zhigang, Guo, Shu, Lu, Xiaosong, Orava, Jiri, Wagner, Tomas, Zheng, Lirong, Liu, Yinyao, Sun, Shiyu, He, Fei, Yang, Piaoping, Ren, Jing, Yang, Jun

“…Selective doping of optically active ions into the nanocrystalline phase(s) of glass ceramics is of interest for photoluminescence (PL) applications to control…”
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On cryothermal cycling as a method for inducing structural changes in metallic glasses by Ketov, Sergey V., Trifonov, Artem S., Ivanov, Yurii P., Churyumov, Alexander Yu, Lubenchenko, Alexander V., Batrakov, Alexander A., Jiang, Jing, Louzguine-Luzgin, Dmitri V., Eckert, Jurgen, Orava, Jiri, Greer, Alan Lindsay

“…The influence of cryothermal treatment on the mechanical properties of metallic glasses with different compositions was investigated in the present work. It…”
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Inverse opal photonic crystal of chalcogenide glass by solution processing by Kohoutek, Tomas, Orava, Jiri, Sawada, Tsutomu, Fudouzi, Hiroshi

“…Silica/As–S opal film template was prepared by spin-coating silica colloidal crystal film with nano-colloidal solution of As–S chalcogenide glass. Inverse opal…”
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Sub-micrometer soft lithography of a bulk chalcogenide glass by Kohoutek, Tomas, Orava, Jiri, Greer, A Lindsay, Fudouzi, Hiroshi

“…We demonstrate, for the first time, time- and cost-effective replication of sub-micrometer features from a soft PDMS mold onto a bulk chalcogenide glass over a…”
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The elastic-strain energy criterion of phase formation for complex concentrated alloys by Andreoli, Angelo F., Orava, Jiri, Liaw, Peter K., Weber, Hans, de Oliveira, Marcelo F., Nielsch, Kornelius, Kaban, Ivan

“…An empirical method is developed, based on the calculated theoretical elastic-strain energy, to predict the phase formation and its stability for complex…”
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Reversible Amorphous-to-Amorphous Transitions in Chalcogenide Films: Correlating Changes in Structure and Optical Properties by Kalyva, Maria, Orava, Jiri, Siokou, Angeliki, Pavlista, Martin, Wagner, Tomas, Yannopoulos, Spyros N.

“…Structural transitions in materials are accompanied by appreciable and exploitable changes in physical‐chemical properties. Whereas reversible optically‐driven…”
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Mesoscale engineering of photonic glass for tunable luminescence by Yu, Yongze, Fang, Zaijin, Ma, Chuansheng, Inoue, Hiroyuki, Yang, Guang, Zheng, Shupei, Chen, Danping, Yang, Zhongmin, Masuno, Atsunobu, Orava, Jiri, Zhou, Shifeng, Qiu, Jianrong

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Classical-nucleation-theory analysis of priming in chalcogenide phase-change memory by Orava, Jiri, Greer, A. Lindsay

“…The chalcogenide Ge2Sb2Te5 (GST) is of interest for use in phase-change memory. Crystallization is the rate-limiting step for memory operation, and can be…”
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Kinetically facilitated liquid-liquid transition in a metallic liquid by Cheng, Qi, Sun, Yonghao, Orava, Jiri, Bai, Haiyang, Wang, Weihua

“…The subtle existence of a liquid-liquid transition in ‘homogeneous’ equilibrium metallic liquids is difficult to detect. An exothermic peak with the onset…”
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Phase transformations in a Cu–Zr–Al metallic glass by Cheng, Qi, Han, Xiaoliang, Kaban, Ivan, Soldatov, Ivan, Wang, Wei Hua, Sun, Yong Hao, Orava, Jiri

“…A combination of conventional calorimetry, ultra-fast scanning calorimetry and resistive heating gives access to heating rates exceeding 6 orders of magnitude…”
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Phase-formation maps of CuZrAlCo metallic glass explored by in situ ultrafast techniques by Han, Xiaoliang, Kaban, Ivan, Orava, Jiri, Cheng, Qi, Sun, Yong Hao, Soldatov, Ivan, Zimmermann, Martin v., Song, Kaikai, Nielsch, Kornelius

“…Crystallization of Cu47.5Zr48Al4Co0.5 metallic glass upon isokinetic and isothermal annealing is studied by conventional and ultrafast differential scanning…”
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Fast-heating-induced formation of metallic-glass/crystal composites with enhanced plasticity by Orava, Jiri, Kaban, Ivan, Benkocka, Monika, Han, Xiaoliang, Soldatov, Ivan, Greer, A. Lindsay

“…•Improving macroscopic deformation of metallic glasses.•Fast-heating-induced formation of nanocrystalline composites.•Enhancing plasticity via controlling the…”
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Contrast of color-changing metallic glasses reveals the glass properties beneath the surface by Wang, Pengfei, Wang, Yutian, Cheng, Qi, Orava, Jiri, Sun, Yong Hao, Wang, Weihua, Bai, Haiyang

“…•Contrast of color-changing metallic glasses reveals the glass properties beneath the surface.•Color contrast reflects inhomogeneous distribution of enthalpy,…”
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Crystallization and phase-transformation diagrams of Nb-doped CuZrAl metallic glass obtained by fast-scanning calorimetry and in-situ synchrotron XRD upon flash-annealing by Han, Xiaoliang, Orava, Jiri, Cheng, Qi, Sun, Yong Hao, Liu, Shilei, Ivashko, Oleh, Song, Kaikai, Nielsch, Kornelius, Kaban, Ivan

“…The crystallization mechanism and solid-state phase transformations in Cu46.5Zr48Al4Nb1.5 metallic glass upon isokinetic and isothermal annealing are studied…”
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Evading strength-ductility trade-off dilemma in TRIP-assisted Fe50Mn30Co10Cr10 duplex high-entropy alloys via flash annealing and deep cryogenic treatments by Zhou, Changshan, Kou, Zongde, Song, Kaikai, Gong, Jianhong, Liu, Pingping, Gao, Qingwei, Liu, Xiaoming, Han, Xiaoliang, Zhang, Zequn, Ramasamy, Parthiban, Hu, Lina, Orava, Jiri, Eckert, Jürgen

“…Conventional and multi-component alloys frequently compromise ductility to strike a balance between strength and ductility through intricate thermomechanical…”
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Elemental re-distribution inside shear bands revealed by correlative atom-probe tomography and electron microscopy in a deformed metallic glass by Balachandran, Shanoob, Orava, Jiri, Köhler, Mathias, Breen, Andrew J., Kaban, Ivan, Raabe, Dierk, Herbig, Michael

“…A density variation in shear bands visible by electron microscopy is correlated with compositionally altered locations measured by atom-probe tomography in…”
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Mesoscale engineering of photonic glass for tunable luminescence by Yu, Yongze, Fang, Zaijin, Ma, Chuansheng, Inoue, Hiroyuki, Yang, Guang, Zheng, Shupei, Chen, Danping, Yang, Zhongmin, Masuno, Atsunobu, Orava, Jiri, Zhou, Shifeng, Qiu, Jianrong

“…Control of the optical behavior of active materials through manipulation of their microstructure has led to the development of high-performance photonic…”
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Scalable In-Fiber Manufacture of Functional Composite Particles by Du, Minghui, Ye, Shubiao, Tang, Junzhou, Lv, Shichao, Chen, Jiejie, Orava, Jiri, Tao, Guangming, Lan, Ping, Hao, Jianhua, Yang, Zhongmin, Qiu, Jianrong, Zhou, Shifeng

“…Advanced fabrication methods must be developed for magnetic–polymeric particles, which are used in medical diagnostics, drug delivery, separation, and…”
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