Search Results - "Gehring, Gillian A"

Quasi-continuous melting of model polymer monolayers prompts reinterpretation of polymer melting by Zhang, Ruibin, Fall, William S., Hall, Kyle Wm, Gehring, Gillian A., Zeng, Xiangbing, Ungar, Goran

“…Condensed matter textbooks teach us that melting cannot be continuous and indeed experience, including with polymers and other long-chain compounds, tells us…”
Get full text

Electrical Manipulation of Orbital Occupancy and Magnetic Anisotropy in Manganites by Cui, Bin, Song, Cheng, Gehring, Gillian A., Li, Fan, Wang, Guangyue, Chen, Chao, Peng, Jingjing, Mao, Haijun, Zeng, Fei, Pan, Feng

“…Electrical manipulation of lattice, charge, and spin is realized respectively by the piezoelectric effect, field‐effect transistor, and electric field control…”
Get full text

A case of antiferrochirality in a liquid crystal phase of counter-rotating staircases by Li, Ya-xin, Gao, Hong-fei, Zhang, Rui-bin, Gabana, Kutlwano, Chang, Qing, Gehring, Gillian A., Cheng, Xiao-hong, Zeng, Xiang-bing, Ungar, Goran

“…Helical structures continue to inspire, prompted by examples such as DNA double-helix and alpha-helix in proteins. Most synthetic polymers also crystallize as…”
Get full text

Complex Multicolor Tilings and Critical Phenomena in Tetraphilic Liquid Crystals by Zeng, Xiangbing, Kieffer, Robert, Glettner, Benjamin, Nürnberger, Constance, Liu, Feng, Pelz, Karsten, Prehm, Marko, Baumeister, Ute, Hahn, Harald, Lang, Heinrich, Gehring, Gillian A, Weber, Christa H.M, Hobbs, Jamie K, Tschierske, Carsten, Ungar, Goran

“…T-shaped molecules with a rod-like aromatic core and a flexible side chain form liquid crystal honeycombs with aromatic cell walls and a cell interior filled…”
Get full text

Investigation of the distribution of localised and extended states in amorphous MoOx by Dizayee, Wala, Ying, Minju, Griffin, Jonathan, Alqahtani, Mohammed S., Buckley, Alastair, Fox, A. Mark, Gehring, Gillian A.

“…Amorphous films of MoOx have both structural disorder and also chemical disorder for x<3. We have shown that this disorder can introduce localised states in…”
Get full text

Enhanced magnetic properties in ZnCoAlO caused by exchange-coupling to Co nanoparticles by Feng, Qi, Dizayee, Wala, Li, Xiaoli, Score, David S, Neal, James R, Behan, Anthony J, Mokhtari, Abbas, Alshammari, Marzook S, Al-Qahtani, Mohammed S, Blythe, Harry J, Chantrell, Roy W, Heald, Steve M, Xu, Xiao-Hong, Fox, A Mark, Gehring, Gillian A

“…We report the results of a sequence of magnetisation and magneto-optical studies on laser ablated thin films of ZnCoAlO and ZnCoO that contain a small amount…”
Get full text

Quantitative Model of Multiple Crystal Growth Rate Minima in Polymers with Regularly Spaced Substituent Groups by Gabana, Kutlwano, Gehring, Gillian A., Zeng, Xiangbing, Ungar, Goran

“…A simple theory has been developed to explain quantitatively the multiple crystal growth rate minima observed experimentally in polyethylene brassylates…”
Get full text

Spin Transport and Magnetism in Low-Dimensional Materials by Xu, Xiaohong, Chen, Jingsheng, Gehring, Gillian A., Miao, Xiangshui, Zeng, Hao

“…Xiaohong Xu 1; 2 and Jingsheng Chen 3 and Gillian A. Gehring 4 and Xiangshui Miao 5 and Hao Zeng 6 1, Key Laboratory of Magnetic Molecules and Magnetic…”
Get full text

Roughening Transition and Quasi-continuous Melting of Monolayers of Ultra-long Alkanes: Why Bulk Polymer Melting Is Strongly First-Order by Zhang, Ruibin, Fall, William S, Hall, Kyle Wm, Gehring, Gillian A, Zeng, Xiangbing, Ungar, Goran

“…Because non-polymers melt in a sharp, strongly first-order transition, it is taken for granted that semicrystalline polymers do the same. However, nearly…”
Get full text

Magnetism from Co and Eu implanted into ZnO by Saeedi, Ahmad M.A., Alshammari, Marzook S., Peng, Nianhua, Adachi, Yutaka, Heald, Steve M., Alanazi, Amal F., Gehring, Gillian A.

“…[Display omitted] •Cobalt implanted films produced with Co2+ on Zn sites after annealing in air.•Eu implanted films contained only Eu3+ after annealing in…”
Get full text

Growth of high quality yttrium iron garnet films using standard pulsed laser deposition technique by Zaki, Aliaa M., Blythe, Harry J., Heald, Steve M., Fox, A. Mark, Gehring, Gillian A.

“…•Good YIG films by pulsed laser deposition with substrate temperature of 500 °C on GGG substrates.•Different oxygen pressure in the chamber was shown to affect…”
Get full text

Surface-polarity-dependent ferromagnetism in arsenic-implanted ZnO films prepared by MBE by Ying, Minju, Cheng, Wei, Wang, Xiaoxiao, Liao, Bin, Zhang, Xu, Mei, Zengxia, Du, Xiaolong, Heald, Steve M, Blythe, Harry J., Mark Fox, A., Gehring, Gillian A.

“…O-polar and Zn-polar ZnO films were prepared by rf-plasma assisted molecular beam epitaxy (MBE) on sapphire substrates. Arsenic ions have been implanted into…”
Get full text

Enhanced Room Temperature Magnetoresistance and Spin Injection from Metallic Cobalt in Co/ZnO and Co/ZnAlO Films by Quan, Zhiyong, Zhang, Xianpeng, Liu, Wei, Li, Xiaoli, Addison, Kiri, Gehring, Gillian A, Xu, Xiaohong

“…Co/ZnO and Co/ZnAlO films were prepared by depositing ultrathin cobalt layers and semiconductor layers on glass substrates at room temperature. The films…”
Get full text

Room temperature ferromagnetism in pristine MgO thin films by Araujo, C. Moyses, Kapilashrami, Mukes, Jun, Xu, Jayakumar, O. D., Nagar, Sandeep, Wu, Yan, Århammar, Cecilia, Johansson, Börje, Belova, Lyubov, Ahuja, Rajeev, Gehring, Gillian A., Rao, K. V.

“…Robust ferromagnetic ordering at, and well above room temperature is observed in pure transparent MgO thin films ( < 170   nm thick) deposited by three…”
Get full text

Competing magnetic effects due to the incorporation of oxygen in thin films of (ZnCo)O by Saeedi, Ahmad M. A, Gerriu, Fatma M, Ying, Minju, Alshammari, Marzook S, Heald, Steve M, Li, Xiaoli, Blythe, Harry J, Fox, A. Mark, Gehring, Gillian A

“…We have investigated the magnetic properties of ZnCoO thin films grown by pulsed laser deposition from targets made from pure ZnO combined with metallic Co,…”
Get full text

Magneto-optic studies of magnetic oxides by Gehring, Gillian A., Alshammari, Marzook S., Score, David S., Neal, James R., Mokhtari, Abbas, Fox, A. Mark

“…A brief review of the use of magneto-optic methods to study magnetic oxides is given. A simple method to obtain the magnetic circular dichroism (MCD) of a thin…”
Get full text

X-ray absorption fine structure and magnetization characterization of the metallic Co component in Co-doped ZnO thin films by Heald, Steve M., Kaspar, Tiffany, Droubay, Tim, Shutthanandan, V., Chambers, Scott, Mokhtari, Abbas, Behan, Anthony J., Blythe, Harry J., Neal, James R., Fox, A. Mark, Gehring, Gillian A.

Get full text

Defects Inducing Ferromagnetism in Carbon-Doped ZnO Films by Li, Xiao-Li, Guo, Jun-Feng, Quan, Zhi-Yong, Xu, Xiao-Hong, Gehring, Gillian A.

“…Carbon-doped ZnO films were prepared on c-cut sapphire substrates by conventional PLD method. All films exhibit RT ferromagnetism. However, the samples…”
Get full text

Volumetric diffusers: Pseudorandom cylinder arrays on a periodic lattice by Hughes, Richard J., Angus, Jamie A. S., Cox, Trevor J., Umnova, Olga, Gehring, Gillian A., Pogson, Mark, Whittaker, David M.

“…Most conventional diffusers take the form of a surface based treatment, and as a result can only operate in hemispherical space. Placing a diffuser in the…”
Get full text

Contrasting behavior of the structural and magnetic properties in Mn- and Fe-doped In2O3 films by Feng, Qi, Blythe, Harry J., Jiang, Feng-Xian, Xu, Xiao-Hong, Heald, Steve M., Fox, A. Mark, Gehring, Gillian A.

“…We have observed room temperature ferromagnetism in In2O3 thin films doped with either 5 at.% Mn or Fe, prepared by pulsed laser deposition at substrate…”
Get full text