Multi-Probe with Metallic Tips for Ferroelectric Recording Probe Storage

Takahashi, Hirokazu; Mimura, Yasuhiro; Mori, S.; Ishimori, Masahiro; Onoe, Atsushi; Ono, Takahito; Esashi, Masayoshi

doi:10.1109/sensor.2007.4300681

Cited by 3 publications

(4 citation statements)

References 5 publications

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“…An overview of the work at Tohoku University until 2008 can be found in 139 . A spin-off of this activity has started at Pioneer, mainly in the production of probes [140][141][142][143] .…”

Section: Recording Mediummentioning

confidence: 99%

Probe-based data storage

Koelmans,

Engelen,

Abelmann

2015

Preprint

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Probe-based data storage attracted many researchers from academia and industry, resulting in unprecedented high data-density demonstrations. This topical review gives a comprehensive overview of the main contributions that led to the major accomplishments in probe-based data storage. The most investigated technologies are reviewed: topographic, phase-change, magnetic, ferroelectric and atomic and molecular storage. Also, the positioning of probes and recording media, the cantilever arrays and parallel readout of the arrays of cantilevers are discussed. This overview serves two purposes. First, it provides an overview for new researchers entering the field of probe storage, as probe storage seems to be the only way to achieve data storage at atomic densities. Secondly, there is an enormous wealth of invaluable findings that can also be applied to many other fields of nanoscale research such as probe-based nanolithography, 3D nanopatterning, solid-state memory technologies and ultrafast probe microscopy. B. Current status of probe storageThe maturity of the various types of probe storage differs significantly. Four popular types, namely phase change, magnetic, thermomechanical and ferroelectric storage are listed in table I.Probe-based data storage has attracted much scientific and commercial interest [18][19][20] . After more than two decades of research on probe storage, an overview of what has been accomplished so far, together with an outlook of the a)

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“…An overview of the work at Tohoku University until 2008 can be found in 139 . A spin-off of this activity has started at Pioneer, mainly in the production of probes [140][141][142][143] .…”

Section: Recording Mediummentioning

confidence: 99%

Probe-based data storage

Koelmans,

Engelen,

Abelmann

2015

Preprint

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“…The data retention was measured by investigating readback signals at elevated temperatures, and an activation energy of 0.8 eV at an attempt frequency of 200 kHz was found, which is sufficient for a data retention of 10 years [179]. A spin-off of this activity has started at Pioneer, mainly in the production of probes [174,176,177].…”

Section: Ferroelectric Mediamentioning

confidence: 99%

“…In contrast, the diamond probes had relatively poor radius of curvature. Attempts were made to replace the diamond tip by metal versions, and it was demonstrated that ruthenium tips perform relatively well [177].…”

Section: Probe Technology and Arraysmentioning

confidence: 99%

Probe Storage

Gemelli

Abelmann

Engelen

et al. 2010

Memory Mass Storage

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This chapter gives an overview of probe-based data storage research over the last three decades, encompassing all aspects of a probe recording system. Following the division found in all mechanically addressed storage systems, the different subsystems (media, read/write heads, positioning, data channel, and file system) will be discussed. In the media subsection various recording media will be treated, such as polymer based, phase change, ferroelectric and magnetic. In the probe array subsection various generations of thermal probes will be discussed, as well as examples of alternative write probes using currents, electric or magnetic fields, and different principles for data detection. Special attention is paid to parallel readout of probe arrays. In the positioning section, examples will be shown of electric and magnetic scanners, either precision engineered or realized by micromachining technologies, or combinations thereof. In the systems subsection the data channel will be discussed, including the read/write electronics circuitry, data detection, and coding algorithms. Special attention is paid to the writing strategy and considerations for probe-based storage file systems.

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“…[3][4][5] Probe tips contact with the ferroelectric recording medium while data are recorded and reproduced. [6][7][8] Although the contact force, which ranges from several tens to a few hundreds of nN, is very small, it cannot be disregarded because FPM is a rewritable storage and a lot of scanning repetitions are assumed. There is concern that the wearing off of probe tips and recording medium will reduce the durability and reliability of FPM.…”

mentioning

confidence: 99%

Recording and Reproduction in Ultrahigh-Density Ferroelectric Medium LiTaO₃ through Lubricant Layer

Mori¹,

Takahashi²,

Maeda³

et al. 2008

jjap

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It is generally admitted that the irradiation of crystalline materials with highenergy heavy ions often leads to the formation of highly defective or amorphous tracks. In the latter case, the amorphization process follows a single-ion-impact mechanism. However, recent results demonstrate that in certain circumstances crystalline-to-crystalline phase transitions can also occur. This is well illustrated with the case of pure zirconia which can undergo a transition from the monoclinic to the tetragonal phase with a kinetics characterized by a sigmoidal shape. The present study provides new evidence that this transformation is driven by a double-ion-impact mechanism. Another important finding is that the steepness of the sigmoid depends drastically on the amount of the electronic-energy loss: a small change in this parameter leads to a catastrophic modification of the kinetics of the phase transition.c EDP Sciences

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Multi-Probe with Metallic Tips for Ferroelectric Recording Probe Storage

Cited by 3 publications

References 5 publications

Probe-based data storage

Probe-based data storage

Probe Storage

Recording and Reproduction in Ultrahigh-Density Ferroelectric Medium LiTaO₃ through Lubricant Layer

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Multi-Probe with Metallic Tips for Ferroelectric Recording Probe Storage

Cited by 3 publications

References 5 publications

Probe-based data storage

Probe-based data storage

Probe Storage

Recording and Reproduction in Ultrahigh-Density Ferroelectric Medium LiTaO3 through Lubricant Layer

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Recording and Reproduction in Ultrahigh-Density Ferroelectric Medium LiTaO₃ through Lubricant Layer