Search Results - "Gubbins, Mark"

Wafer-scale integration of group III–V lasers on silicon using transfer printing of epitaxial layers by Justice, John, Bower, Chris, Meitl, Matthew, Mooney, Marcus B., Gubbins, Mark A., Corbett, Brian

“…The hard-drive and electronic industries can benefit by using the properties of light for power transfer and signalling. However, the integration of silicon…”
Get full text

Engineering of spin mixing conductance at Ru/FeCo/Ru interfaces: Effect of Re doping by Gupta, Rahul, Behera, Nilamani, Venugopal, Vijay A., Basu, Swaraj, Puri, Anil K., Ström, Petter, Gubbins, Mark A., Bergqvist, Lars, Brucas, Rimantas, Svedlindh, Peter, Kumar, Ankit

“…We have deposited polycrystalline Re-doped (Fe 65 Co 35 )( 100-x )Re x (0 ≤ x ≤ 12.6 at. %) thin films grown under identical conditions and sandwiched between…”
Get full text

Recipe for High Moment Materials with Rare-earth and 3d Transition Metal Composites by Autieri, Carmine, Kumar, P. Anil, Walecki, Dirk, Webers, Samira, Gubbins, Mark A., Wende, Heiko, Sanyal, Biplab

“…Materials with high volume magnetization are perpetually needed for the generation of sufficiently large magnetic fields by writer pole of magnetic hard disks,…”
Get full text

In situ electron holography of the dynamic magnetic field emanating from a hard-disk drive writer by Einsle, Joshua F., Gatel, Christophe, Masseboeuf, Aurélien, Cours, Robin, Bashir, Muhammad A., Gubbins, Mark, Bowman, Robert M., Snoeck, Etienne

“…The proliferation of mobile devices in society accessing data via the ＂cloud＂ is imposing a dramatic increase in the amount of information to be stored on hard…”
Get full text

Novel droplet near-field transducer for heat-assisted magnetic recording by Gosciniak, Jacek, Mooney, Marcus, Gubbins, Mark, Corbett, Brian

“…Two main ingredients of plasmonics are surface plasmon polaritons (SPP) and localized surface plasmon resonances (LSPR) as they provide a high degree of…”
Get full text

Study of Trailing Edge Shield Magnetic Properties for Writer Performance Improvement for Perpendicular Magnetic Recording by Basu, Swaraj, Gubbins, Mark A., Meloche, Eric, Bashir, Muhammad A., Venugopal, Vijayaharan A., Lamberton, Robert W.

“…Micromagnetic modeling is used to evaluate the effect of trailing edge shield (TES) magnetic properties on the dynamic performance of a writer used in…”
Get full text

Effect of Coil Position on Magnetization Dynamics of Multilayered Hard Disk Writer Yokes by Yu, Wei, Keatley, Paul S., Hicken, Rob J., Gubbins, Mark A., Czoschke, Peter J., Lopusnik, Radek

“…Three partially built hard disk writer structures with active coil windings located at different positions relative to the yoke were studied by time resolved…”
Get full text

Graded Media Design for Area Density of Up to 2.5 Tb/in by Hahn, David, Bashir, Muhammad Asif, Schrefl, Thomas, Cazau, Alexandru, Gubbins, Mark A., Suess, Dieter

“…Feasibility of perpendicular magnetic recording up to an area density of 2.5 Tb/in 2 is investigated. Magnetic grains of 4 nm diameter with 1 nm oxide layer…”
Get full text

Dynamic Field Gradient and Erasure After Write for High Data Rate Recording by Bashir, Muhammad Asif, Meloche, Eric, Gubbins, Mark A., Basu, Swaraj, Wong, Alex, McConnell, Beverley R., Lamberton, Robert R.

“…Extensive micromagnetic simulations are performed to investigate the impact of the current overshoot amplitude (OSA) on the writer dynamics. The field…”
Get full text

Transition Jitter in Heat-Assisted Magnetic Recording by Micromagnetic Simulation by Oezelt, Harald, Kovacs, Alexander, Fischbacher, Johann, Bance, Simon, Gubbins, Mark, Schrefl, Thomas

“…In this paper, we apply an extended Landau-Lifshitz equation, as introduced by Baňas et al. for the simulation of heat-assisted magnetic recording. This…”
Get full text

Graded Media Design for Area Density of Up to 2.5 Tb/in 2 by Hahn, David, Bashir, Muhammad Asif, Schrefl, Thomas, Cazau, Alexandru, Gubbins, Mark A, Suess, Dieter

“…Feasibility of perpendicular magnetic recording up to an area density of 2.5 Tb/in 2 is investigated. Magnetic grains of 4 nm diameter with 1 nm oxide layer…”
Get full text

Heat Assisted Magnetic Recording Dependence on Reader for Conventional and Shingled Magnetic Recording by Granz, Steven, Rea, Chris, Jackson, Cathy, Gubbins, Mark, Ju, Ganping, Thiele, Jan-Ulrich, Rausch, Tim

“…Heat Assisted Magnetic Recording (HAMR) is the next generation hard disk drive technology which enables continued and significant areal density growth [1]. As…”
Get full text

Graded Media Design for Area Density of Up to 2.5 Tb/in2 by HAHN, David, MUHAMMAD ASIF BASHIR, SCHREFL, Thomas, CAZAU, Alexandru, GUBBINS, Mark A, SUESS, Dieter

Get full text

HAMR near-field tranducer design: Remote plasmon-assisted impedance tuning and thermal curvature dependence on optical polarization by Choon How Gan, Gubbins, Mark A.

“…We address numerically two important aspects of HAMR (heat-assisted magnetic recording) near-field transducer (NFT) design, namely media-impedance matching and…”
Get full text

Engineering of spin mixing conductance in Ru/FeCo/Ru interfaces: Effect of Re Doping by Gupta, Rahul, Behera, Nilamani, Venugopal, Vijay A, Basu, Swaraj, Gubbins, Mark A, Bergqvist, Lars, Brucas, Rimantas, Svedlindh, Peter, Kumar, Ankit

“…Phys. Rev. B 101, 024401 (2020) We have deposited polycrystalline Re doped $(Fe_{65}Co_{35})_{100-x}Re_{x}$ (0 $\leq$ x $\leq$ 12.6 at\%) thin films grown…”
Get full text

Transition Jitter in Heat Assisted Magnetic Recording by Micromagnetic Simulation by Oezelt, Harald, Kovacs, Alexander, Fischbacher, Johann, Bance, Simon, Gubbins, Mark, Schrefl, Thomas

“…In this paper we apply an extended Landau-Lifschitz equation, as introduced by Ba\v{n}as et al. for the simulation of heat-assisted magnetic recording. This…”
Get full text

Enhanced Gilbert Damping in Re doped FeCo Films: A Combined Experimental and Theoretical Study by Akansel, Serkan, Kumar, Ankit, Venugopal, Vijayahahan A, Banerjee, Rudra, Autieri, Carmine, Brucas, Rimantas, Behera, Nilamani, Sortica, Mauricio A, Primetzhofer, Daniel, Basu, Swaraj, Gubbins, Mark A, Sanyal, Biplab, Svedlindh, Peter

“…Phys. Rev. B 99, 174408 (2019) The effects of rhenium doping in the range 0 to 10 atomic percent on the static and dynamic magnetic properties of Fe65Co35 thin…”
Get full text

Commercial TMR heads for hard disk drives : Characterization and extendibility at 300 Gbit/in2 by SINING MAO, YONGHUA CHEN, MENARD, Dave, PANT, Bharat, LOVEN, Jay, DUXSTAD, Kristin, SHAOPING LI, ZHENGYONG ZHANG, JOHNSTON, Alan, LAMBERTON, Robert, GUBBINS, Mark, MCLAUGHLIN, Tom, FENG LIU, GADBOIS, Jason, JUREN DING, CROSS, Bill, SONG XUE, RYAN, Pat, XINGFU CHEN, BIN XU, PULING LU, PATWARI, Mohammed, HAIWEN XI, CHANG, Clif, MILLER, Brad

“…Tunneling magnetoresistive (TMR) reading heads at an areal density of 80-100 Gbit/in2 in a longitudinal magnetic recording mode have for the first time been…”
Get full text

Comparison of DSV, BSV and TSV spin valves in CPP geometry by Gubbins, M., O'Neill, D., Moore, A., McInroy, A., Johnston, A.

“…Summary form only given. Spin valves in the current perpendicular to plane (CPP) configuration are believed to offer increased reader sensitivity for higher…”
Get full text