Polar Kerr spectra of CoNi/Pt and Co/Pt multilayers were measured using a Kerr spectrometer. The polar Kerr sensitive depth (PKSD) is determined to be about 50 nm. When the film is thinner than this depth, the effects of beam reflection from the substrate can be observed in the Kerr spectrum. This is confirmed by measured and calculated results. The dependence of the Kerr spectra on the number of bilayers and individual layer thickness is investigated with regard to PKSD.

Magneto-optic Kerr effect

Reflection

10.3379/jmsjmag.20.s1_287

Cite

Citations (0)

Non-crystalline Y3Fe5O12 studied by mössbauer effect and magnetization

AIP conference proceedings (1975)

Th.J.A. Popma A. M. van Diepen

Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Th. J. A. Popma, A. M. van Diepen; Non‐crystalline Y3Fe5O12 studied by mössbauer effect and magnetization. AIP Conf. Proc. 1 April 1975; 24 (1): 123–124. https://doi.org/10.1063/1.30015 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAIP Publishing PortfolioAIP Conference Proceedings Search Advanced Search |Citation Search

Icon

Search engine optimization

Download

10.1063/1.30015

Cite

Citations (3)

Progress report on the results of the COST-216 problem set

Integrated Photonics Research (1991)

P.E. Lagasse G. Franssens P. Kaczmarski H.-P. Nolting C.M. Weinert

Within the working group, Device Modeling, of the European COST-216 project, various numerical techniques for modeling integrated optic S bends and directional couplers have been compared. 1-3 The problem set was chosen on the basis of the availability of reliable experimental results. The directional couplers fabricated by the Heinrich Hertz Institute are based on InGaAsP waveguide grown on an InP substrate. The S bend containing offsets was made by the Dr. Neher Laboratory of the Dutch PTT and by the Technical University of Delft by using ion-beam milled waveguides with a sputtered Al 2 O 3 core and a SiO 2 cladding on a silicon wafer.

Cladding (metalworking)

Waveguide

Integrated Optics

10.1364/ipr.1991.tud31

Cite

Citations (0)

Sputter-deposited erbium-doped Y2O3 active optical waveguides

Electronics Letters (1993)

T.H. Hoekstra Paul Lambeck H. Albers Th.J.A. Popma

A signal enhancement of 10dB at 1535nm with a low launched pump power of 1 mW at 1480nm is achieved for sputtered Er3+ : Y2O3 channel waveguides on oxidised silicon substrates. With the developed reactive co-sputtering process using sputterguns the erbium concentration can be varied easily and reproducibly.

Erbium

10.1049/el:19930390

Cite

Citations (39)

DISTRIBUTION OF HYSTERESIS LOSS IN SPUTTERED CoCr FILMS

Le Journal de Physique Colloques (1988)

J.C. Lodder Li Cheng-Zhang Th.J.A. Popma

The distribution of the hysteresis loss (DWh) for films with a high Hc/Hk ratio shows a monotonically decreasing behaviour with applied field (Ha) while medium and low Hc/Hk exhibit a double peak characteristic. The high field peak agrees with Hcw as determined from domain observations. By changing the direction of Ha from perpendicular to an in-plane direction, the DWh to the in-plane orientation of M is shown.

Hysteresis

Film plane

10.1051/jphyscol:19888910

Cite

Citations (1)

A surface plasmon resonance based ammonia sensor

J. van Gent Paul Lambeck R.J. Bakker E.J.R. Sudhölter David N. Reinhoudt

Source

Cite

Citations (0)

Temperature dependence of the hyperfine field in amorphous Fe2O3

Solid State Communications (1978)

A. M. van Diepen Th.J.A. Popma

10.1016/0038-1098(78)90814-1

Cite

Citations (58)

Spectroscopic Kerr investigations of CoNi/Pt multilayers

Journal of Applied Physics (1996)

W.P. van Drent Takenobu Suzuki Q. Meng J.C. Lodder Th.J.A. Popma

CoxNi1−x/Pt multilayers with x=0.4 and 0.5 were sputtered onto Si substrates. Magnetic and spectroscopic magneto-optic measurements (1.4–5.2 eV) reveal a Kerr rotation up to −0.48° at about 4.5 eV for a sample with rectangular hysteresis loop, about 170 kA/m coercivity, and a Curie temperature of about 300 °C. Pt layers could be made extremely thin (2.9 Å) without loss of perpendicular anisotropy and rectangular hysteresis loop. Simulations show that the Kerr rotation peak shifts back from 4.5 to 3.9 eV with increasing number of bilayers.

Hysteresis

10.1063/1.362068

Cite

Citations (12)