Search Results - "Demczyk, B."

Direct mechanical measurement of the tensile strength and elastic modulus of multiwalled carbon nanotubes by Demczyk, B.G, Wang, Y.M, Cumings, J, Hetman, M, Han, W, Zettl, A, Ritchie, R.O

“…We have conducted pulling and bending tests on individual carbon nanotubes in-situ in a transition electron microscope. Based on our observation of the force…”
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Structure of boron nitride nanotubules by Demczyk, B. G., Cumings, J., Zettl, A., Ritchie, R. O.

“…We have used high-resolution transmission electron microscopy to resolve the [0001] projected basal plane structure and chirality relationships in boron…”
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High-performance CoPtCrO perpendicular media: optimizing exchange coupling and anisotropy orientation dispersion by Choe, G., Zheng, M., Abarra, E.N., Demczyk, B.G., Zhou, J.N., Acharya, B.R., Johnson, K.E.

“…A systematic investigation of the structural, magnetic, and recording properties of CoPtCrO media with different intergranular exchange coupling and anisotropy…”
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SNR improvement of granular perpendicular recording media by Zheng, M., Choe, G., Chekanov, A., Demczyk, B.G., Acharya, B.R., Johnson, K.E.

“…In this paper, we address important issues on the performance improvement of perpendicular magnetic recording (PMR) media, such as noise reduction by adjusting…”
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Effects of media burnish capability to head-disk clearance by Li, Z.F., Chen, C.Y., Liu, J.J., Chekanov, A., Gao, J., Demczyk, B.G.

“…As flying height is reduced to less than 10 nm, media morphology, overcoat, and lubricant start to have a significant effect in conditioning the head in the…”
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Comparison of strain relaxation in epitaxial Si0.3Ge0.7 films grown on Si(001) and Ge(001) by DEMCZYK, B. G, NAIK, V. M, HAMEED, S, NAIK, R

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Silicon-germanium bulk alloy growth by liquid encapsulated zone melting by Bliss, D., Demczyk, B., Anselmo, A., Bailey, J.

“…Alloy crystals of silicon-germanium have been grown by the liquid-encapsulated zone-melting (LEZM) method. This method combines zone melting in a quartz…”
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Bulk AC-erasure technique for perpendicular recording media: effect of exchange coupling by Abarra, E.N., Gill, P., Acharya, B.R., Jianing Zhou, Min Zheng, Choe, G., Demczyk, B.

“…We discuss a method of ac-demagnetizing an entire disk using permanent magnets and compare the demagnetized states of perpendicular media with different levels…”
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Highly in-plane oriented CoCrPtB longitudinal media for 130-Gb/in(2) recording by Choe, G, Zhou, J N, Demczyk, B, Yu, M, Zheng, M, Weng, R, Chekanov, A, Johnson, K E, Liu, F, Stoev, K

“…A recording density of 130 Gb/in(2) was achieved using thermally stable conventional CoCrPtB longitudinal media. The high in-plane orientation ratio (OR) of…”
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Structure of coprecipitated gold–iron oxide catalyst materials by Sze, Chien, Gulari, Erdogan, Demczyk, B.G

“…Ultra-fine gold particles supported on iron oxide have been synthesized by coprecipitation and subsequently heat treated in air at temperatures of 200°C and…”
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Ultrathin carbon overcoats: processing, characterization and tribological performance by Pirzada, S.A., Liu, J.J., DongWon Park, Li, Z.F., Chao-Yuan Chen, Demczyk, B., Johnson, K.E., Pu Sen Wang, Jun Xie

“…The thickness of carbon overcoats has been reduced to 30 /spl Aring/ or less to achieve high areal density in magnetic media. Presently, technologies such as…”
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Oxidation behavior of annealed CoCr thin films by Demczyk, B. G.

“…CoCr alloy thin films have solicited interest as potential perpendicular recording media. Enhancement of magnetic properties has been observed upon annealing…”
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Domains and domain nucleation in magnetron-sputtered CoCr thin films by Demczyk, B.G.

“…The magnetic domain configurations in magnetron-sputtered CoCr thin films have been examined by Lorentz transmission electron microscopy. The thinnest (10 nm)…”
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Electron microdiffraction of faulted regions in Co-Cr and Co-Ni-Cr thin films by HONO, K, DEMCZYK, B. G, LAUGHLIN, D. E

“…The planar defects which are commonly observed in deposited Co-Cr and Co-Ni-Cr magnetic thin films have been characterized by electron microdiffraction and…”
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Microstructural development in Co-Cr films for perpendicular recording media by Lee, J.-W., Demczyk, B., Mountfield, K., Laughlin, D.

“…A series of Co-Cr films have been examined using transmission electron microscopy (TEM) in bright/dark field imaging, and selected area diffraction (SAD) as…”
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Magnetic anisotropy of Co-Cr thin films as a function of substrate temperature during deposition by Mountfield, K., Mitchell, P., Lee, J.-W., Demczyk, B., Artman, J.

“…A sequence of Co 78 Cr 22 films, 500 nm in thickness, was prepared by deposition on glass in a modified Varian D.C. magnetron S-gun sputtering system. The…”
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Estimation of surface energy in coherent-phase mixtures controlled by elastic-strain energy by DEMCZYK, B. G

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High-performance CoPtCrO perpendicular media: optimizing exchange coupling and anisotropy orientation dispersion by Choe, G, Zheng, M, Abarra, E N, Demczyk, B G, Zhou, J N, Acharya, B R, Johnson, K E

“…A systematic investigation of the structural, magnetic, and recording properties of CoPtCrO media with different intergranular exchange coupling and anisotropy…”
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Lubrication effects on head–disk spacing loss by Demczyk, Brian, Liu, Janice, Chen, Chao Y., Zhang, Shuyu

“…As flying heights are reduced to 10 nm or less, maintaining good flyability becomes critical to ensuring the robustness of the head–disk interface. One way to…”
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Highly in-plane oriented CoCrPtB longitudinal media for 130-Gb/in/sup 2/ recording by Choe, G., Zhou, J.N., Demczyk, B., Yu, M., Zheng, M., Weng, R., Chekanov, A., Johnson, K.E., Liu, F., Stoev, K.

“…A recording density of 130 Gb/in/sup 2/ was achieved using thermally stable conventional CoCrPtB longitudinal media. The high in-plane orientation ratio (OR)…”
Get full text