Towards a quantitative analysis of magnetic force microscopy data matrices

Chiolerio, Alessandro; Allia, Paolo

doi:10.1016/j.jmmm.2012.01.035

Cited by 9 publications

(3 citation statements)

References 19 publications

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“…As it can be seen, the silver cluster creates a conductive path between the Au electrodes. Figure 4(b) represents the optical microscope image of the same sample thatis being characterized, and this particular image was subjected to a mathematical algorithm to enhance the differences between two geometrically registered shots taken before and after electrical characterization [38,39]. The geometrical registration process allows forthecompensation for eventual little misalignments of the two shots; a histogram correction and a conversion to double floating point numbers assigns numerical values to each pixel and allowedus to algebraically sum the frames.…”

Section: Dop Rsd Characterizationmentioning

confidence: 99%

WORM and bipolar inkjet printed resistive switching devices based on silver nanocomposites

Rajan

Bocchini

Chiappone

et al. 2017

Flex. Print. Electron.

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In the present study, silver nanocomposite resistive switching devices were fabricatedbyinkjet printing, specifically designed inks onto planar symmetrical electrodes. The printed devices show different memory/switching behaviours according to theprinted patternand number of ejected drops (in turn according to the total ejected ink volume). A drop-on-position print results in a random access type memory with a rectifying ratio of 10 3 . The effect of compliance upon switching was studied. It was observed that an increase in the compliance current changed the switching behaviour of the device to bipolar and non-volatile with an On/Off ratio of 10 4 . A print-on-the-fly method resulted in a write-once-read-manydevice instead, where oncea low resistance state was reached, the device was unable to recover its initial high resistance state. The present study gives an insight into the field-induced formation of conductive silver filaments, resulting in resistance switching. The active switching matrix ink formulation enabledeasy deposition onto various substrates, thus widening printed electronics potential. RECEIVED

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Section: Dop Rsd Characterizationmentioning

confidence: 99%

WORM and bipolar inkjet printed resistive switching devices based on silver nanocomposites

Rajan

Bocchini

Chiappone

et al. 2017

Flex. Print. Electron.

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show abstract

“…The MOKE primarily measures the magnetic hysteresis loop of a magnetic film. However, the MOKE approach cannot determine the magnetic domain distribution and morphology at the same time, which must be obtained by magnetic force microscopy (MFM) (Chiolerio & Allia, ; Fang et al, ; Koblischka & Hartmann, ; Landis et al, ; Lisfi & Lodder, ; Palkar et al, ).…”

Section: Introductionmentioning

confidence: 99%

Magnetic domain imaging of nano-magnetic films using magnetic force microscopy with polar and longitudinally magnetized tips

Chen

Chang

et al. 2016

Microsc. Res. Tech.

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Perpendicular or parallel magnetic fields are used to magnetize the tips used in magnetic force microscopy (MFM). In this process, perpendicular or parallel magnetic dipole moments are produced on the tip plane, thus leading to the formation of polar magnetized tips (PM-tips) or longitudinally magnetized tips (LM-tips), respectively. The resolution of an MFM image of a magneto-optic disk is used for calibration of these tips, and the saturated magnetic fields of the PM- and LM-tips are found to be 2720 Oe and 680 Oe, respectively. Because both tips can simultaneously magnetize the sample during the scanning process when measuring a Co thin film, clear MFM images are captured, which enable the identification of magnetizable regions and the distribution of the magnetic domains on the sample surface. These results will be useful for improving the manufacturing processes required for soft nano-magnetic film production.

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“…This hinders the correct interpretation of MFM contrasts around topographic features [Chiolerio and Allia, 2012;Göddenhenrich et al, 1990;Raşa et al, 2002]. Moreover, image processing [Chiolerio et al, 2008[Chiolerio et al, , 2010Panchumarthy et al, 2013;Takekuma et al, 2002;Yu et al, 2003], such as filtering or averaging [Chiolerio and Allia, 2012;Chiolerio et al, 2010;Rastei et al, 2006], on liftmode MFM images may corrupt the entire MFM data with topography. In this chapter, we investigate the effects of these scan height variations and their cancellation via offline corrections.…”

Section: Introductionmentioning

confidence: 99%

Magnetic interactions in 2D and 3D arrays

Alink¹

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Towards a quantitative analysis of magnetic force microscopy data matrices

Cited by 9 publications

References 19 publications

WORM and bipolar inkjet printed resistive switching devices based on silver nanocomposites

WORM and bipolar inkjet printed resistive switching devices based on silver nanocomposites

Magnetic domain imaging of nano-magnetic films using magnetic force microscopy with polar and longitudinally magnetized tips

Magnetic interactions in 2D and 3D arrays

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