2008
DOI: 10.1109/jproc.2008.2004315
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Heat Assisted Magnetic Recording

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Cited by 945 publications
(415 citation statements)
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“…HAMR technology utilizes an optical field to instantaneously heat the magnetic recording media and temporarily reduce its coercivity to allow magnetic recording on media of high magnetic anisotropy. The heating rate is expected to be on the order of 10 10 -10 11 K/s with a peak temperature exceeding the Curie temperature of the media, ≥ ~800 K [1]. From a slider-disk interface perspective, the thermal stress is expected to challenge the robustness of today's protective carbon and boundary lubricant films.…”
Section: Introductionmentioning
confidence: 99%
“…HAMR technology utilizes an optical field to instantaneously heat the magnetic recording media and temporarily reduce its coercivity to allow magnetic recording on media of high magnetic anisotropy. The heating rate is expected to be on the order of 10 10 -10 11 K/s with a peak temperature exceeding the Curie temperature of the media, ≥ ~800 K [1]. From a slider-disk interface perspective, the thermal stress is expected to challenge the robustness of today's protective carbon and boundary lubricant films.…”
Section: Introductionmentioning
confidence: 99%
“…Наноматериалы на основе атомно-упорядоченных по типу L1 0 структур в системах Fe−Pd, Fe−Pt обладают уникальными магнитными свойствами, в частности большой коэрцитивной силой (H c ∼ 10 kOe) и большой одноосной магнитной анизотропией (K u ∼ 10 7 −10 8 erg/cm 3 ) [1], обусловленной тетраго-нальной симметрией кристаллической решетки, что делает их перспективными для использования в технологиях магнитной записи информации, таких как MRAM (magnetoresistive random-access memory, магни-торезистивная оперативная память) [2] и HAMR (heat assisted magnetic recording, термомагнитная запись) [3,4]. В настоящее время ведется активный поиск оптимально-го метода получения наноматериалов на основе атомно-упорядоченных структур L1 0 с перпендикулярной маг-нитной анизотропией, возникающей при формировании атомно-упорядоченной структуры типа L1 0 с ориента-цией [001] относительно плоскости подложки.…”
Section: Introductionunclassified
“…For perpendicular magnetic recording (PMR), the projected upper limit of ∼1 Tb/in 2 is expected to be reached soon due to the superparamagnetic effect, 1 where the median grain size on the recording media becomes unstable due to thermal fluctuation. To address this issue, several approaches have been proposed, including heat-assisted magnetic recording (HAMR), 2 exchange-coupled composite (ECC) 3 media and bit-patterned media (BPM). 4 Among these, BPM appears to be promising for ultrahigh-density towards 10 Tb/in 2 .…”
Section: Introductionmentioning
confidence: 99%