Search Results - "Ward, T. Z"

Elastically driven anisotropic percolation in electronic phase-separated manganites by Shen, J, Ward, T. Z, Budai, J. D, Gai, Z, Tischler, J. Z, Yin, Lifeng

“…The presence of electronic phase separation in complex materials has been linked to many types of exotic behaviour, such as colossal magnetoresistance, the…”
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Full Electroresistance Modulation in a Mixed-Phase Metallic Alloy by Liu, Z Q, Li, L, Gai, Z, Clarkson, J D, Hsu, S L, Wong, A T, Fan, L S, Lin, M-W, Rouleau, C M, Ward, T Z, Lee, H N, Sefat, A S, Christen, H M, Ramesh, R

“…We report a giant, ∼22%, electroresistance modulation for a metallic alloy above room temperature. It is achieved by a small electric field of 2  kV/cm via…”
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Electrically reversible cracks in an intermetallic film controlled by an electric field by Liu, Z. Q., Liu, J. H., Biegalski, M. D., Hu, J.-M., Shang, S. L., Ji, Y., Wang, J. M., Hsu, S. L., Wong, A. T., Cordill, M. J., Gludovatz, B., Marker, C., Yan, H., Feng, Z. X., You, L., Lin, M. W., Ward, T. Z., Liu, Z. K., Jiang, C. B., Chen, L. Q., Ritchie, R. O., Christen, H. M., Ramesh, R.

“…Cracks in solid-state materials are typically irreversible. Here we report electrically reversible opening and closing of nanoscale cracks in an intermetallic…”
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Active control of magnetoresistance of organic spin valves using ferroelectricity by Sun, Dali, Fang, Mei, Xu, Xiaoshan, Jiang, Lu, Guo, Hangwen, Wang, Yanmei, Yang, Wenting, Yin, Lifeng, Snijders, Paul C., Ward, T. Z., Gai, Zheng, Zhang, X.-G., Lee, Ho Nyung, Shen, Jian

“…Organic spintronic devices have been appealing because of the long spin lifetime of the charge carriers in the organic materials and their low cost,…”
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High entropy ceramics for applications in extreme environments by Ward, T Z, Wilkerson, R P, Musicó, B L, Foley, A, Brahlek, M, Weber, W J, Sickafus, K E, Mazza, A R

“…Compositionally complex materials have demonstrated extraordinary promise for structural robustness in extreme environments. Of these, the most commonly…”
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Dimensionality Effects in FeGe2 Nanowires: Enhanced Anisotropic Magnetization and Anomalous Electrical Transport by Tang, Siwei, Kravchenko, Ivan, Ward, T. Z., Zou, Qiang, Yi, Jieyu, Ma, Cheng, Chi, Miaofang, Cao, Guixin, Li, An-Ping, Mandrus, David, Gai, Zheng

“…We report the synthesis of single-crystal iron germanium nanowires via chemical vapor deposition without the assistance of any catalysts. The assembly of…”
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Chemically induced Jahn–Teller ordering on manganite surfaces by Gai, Zheng, Lin, Wenzhi, Burton, J. D., Fuchigami, K., Snijders, P. C., Ward, T. Z., Tsymbal, Evgeny Y., Shen, J., Jesse, Stephen, Kalinin, Sergei V., Baddorf, Arthur P.

“…Physical and electrochemical phenomena at the surfaces of transition metal oxides and their coupling to local functionality remains one of the enigmas of…”
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Stoichiometry control of complex oxides by sequential pulsed-laser deposition from binary-oxide targets by Herklotz, A., Dörr, K., Ward, T. Z., Eres, G., Christen, H. M., Biegalski, M. D.

“…To have precise atomic layer control over interfaces, we examine the growth of complex oxides through the sequential deposition from binary targets by pulsed…”
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Giant discrete steps in metal-insulator transition in perovskite manganite wires by Zhai, Hong-Ying, Ma, J X, Gillaspie, D T, Zhang, X G, Ward, T Z, Plummer, E W, Shen, J

“…Optical lithography is used to fabricate LPCMO wires starting from a single (La(5/8-0.3)Pr(0.3))Ca3/8MnO3 (LPCMO) film epitaxially grown on a LaAlO3(100)…”
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Nonequilibrium Synthesis of Highly Porous Single‐Crystalline Oxide Nanostructures by Lee, Dongkyu, Gao, Xiang, Fan, Lisha, Guo, Er‐Jia, Farmer, Thomas O., Heller, William T., Ward, T. Z., Eres, Gyula, Fitzsimmons, Michael R., Chisholm, Matthew F., Lee, Ho Nyung

“…A novel synthesis route to the formation of vertically aligned single‐crystalline oxide nanostructures is found by precisely controlling the nonequilibrium…”
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Giant magnetoresistance in organic spin valves by Sun, Dali, Yin, Lifeng, Sun, Chengjun, Guo, Hangwen, Gai, Zheng, Zhang, X-G, Ward, T Z, Cheng, Zhaohua, Shen, Jian

“…Interfacial diffusion between magnetic electrodes and organic spacer layers is a serious problem in the organic spintronics which complicates attempts to…”
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Controlling Octahedral Rotations in a Perovskite via Strain Doping by Herklotz, A., Wong, A. T., Meyer, T., Biegalski, M. D., Lee, H. N., Ward, T. Z.

“…The perovskite unit cell is the fundamental building block of many functional materials. The manipulation of this crystal structure is known to be of central…”
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Embracing disorder in quantum materials design by Mazza, A. R., Yan, J.-Q., Middey, S., Gardner, J. S., Chen, A.-H., Brahlek, M., Ward, T. Z.

“…Many of the most exciting materials discoveries in fundamental condensed matter physics are made in systems hosting some degree of intrinsic disorder. While…”
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Strain-induced optical band gap variation of SnO2 films by Rus, S.F., Ward, T.Z., Herklotz, A.

“…Thickness dependent strain relaxation effects are utilized to study the impact of crystal anisotropy on the optical band gap of epitaxial SnO2 films grown by…”
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Observing a previously hidden structural-phase transition onset through heteroepitaxial cap response by Lan, Fanli, Chen, Hongyan, Lin, Hanxuan, Bai, Yu, Yu, Yang, Miao, Tian, Zhu, Yinyan, Ward, T. Z., Gai, Zheng, Wang, Wenbin, Yin, Lifeng, Plummer, E. W., Shen, Jian

“…Characterization of the onset of a phase transition is often challenging due to the fluctuations of the correlation length scales of the order parameters. This…”
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Phase Transitions, Phase Coexistence, and Piezoelectric Switching Behavior in Highly Strained BiFeO3 Films by Beekman, C., Siemons, W., Ward, T. Z., Chi, M., Howe, J., Biegalski, M. D., Balke, N., Maksymovych, P., Farrar, A. K., Romero, J. B., Gao, P., Pan, X. Q., Tenne, D. A., Christen, H. M.

“…Highly strained BiFeO3 films transition into a true tetragonal state at 430 °C but remain polar to much higher temperatures (∼800 °C). Piezoelectric switching…”
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Giant Controllable Magnetization Changes Induced by Structural Phase Transitions in a Metamagnetic Artificial Multiferroic by Bennett, S. P., Wong, A. T., Glavic, A., Herklotz, A., Urban, C., Valmianski, I., Biegalski, M. D., Christen, H. M., Ward, T. Z., Lauter, V.

“…The realization of a controllable metamagnetic transition from AFM to FM ordering would open the door to a plethora of new spintronics based devices that,…”
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Optimisation of photorefractive multiple quantum wells for biomedical imaging by Yu, P., Balasubramanian, S., Ward, T.Z., Chandrasekhar, M., Chandrasekhar, H.R.

“…A novel method has been proposed and tested to optimize the photorefractive multiple quantum wells device for biomedical imaging. The device acts as a dynamic…”
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Strain driven anisotropic magnetoresistance in antiferromagnetic La0.4Sr0.6MnO3 by Wong, A. T., Beekman, C., Guo, H., Siemons, W., Gai, Z., Arenholz, E., Takamura, Y., Ward, T. Z.

“…We investigate the effects of strain on antiferromagnetic (AFM) single crystal thin films of La1−xSrxMnO3 (x = 0.6). Nominally unstrained samples have strong…”
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Reemergent metal-insulator transitions in manganites exposed with spatial confinement by Ward, T Z, Liang, S, Fuchigami, K, Yin, L F, Dagotto, E, Plummer, E W, Shen, J

“…The metal-insulator transition is characterized as a single peak in the temperature-dependent resistivity measurements; exceptions to this have never been seen…”
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