1999
DOI: 10.1016/s0013-4686(99)00025-0
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Effect of hydrogen insertion on the optical properties of Pd-coated magnesium lanthanides

Abstract: Metallic magnesium lanthanide thin films upon insertion of hydrogen transform to a highly transparent hydride phase. With a Pd overlayer, the transformation can be produced either by electrochemical insertion of hydrogen or by exposing the film to hydrogen gas. Unlike amorphous oxide electrochromics, the transformation is accompanied by a large change in visible reflectance (about 50%). The optical switching effect in these materials is investigated in terms of changes in the complex refractive index as determ… Show more

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Cited by 34 publications
(18 citation statements)
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“…13 A plot of our results in Fig. 4 indeed gives linear ranges for potentials above Ϫ1.2 V. The positive slopes ͑B and C͒ show that the electrode must be an n-type semiconductor.…”
Section: Discussionsupporting
confidence: 54%
“…13 A plot of our results in Fig. 4 indeed gives linear ranges for potentials above Ϫ1.2 V. The positive slopes ͑B and C͒ show that the electrode must be an n-type semiconductor.…”
Section: Discussionsupporting
confidence: 54%
“…X-ray diffraction ͑XRD͒ experiments were performed with the INEL PSD 120 powder diffraction system. The GdMg alloy has previously been investigated by electrochemical 10 and photoelectrochemical 11 methods. In Fig.…”
Section: ͑2͒mentioning
confidence: 99%
“…Since this report, several authors have described similar optical switching properties in other RH x and in alloys based on these materials. [8][9][10][11][12][13][14][15] Hydrogenation of switchable mirrors can be achieved either by exposing the sample to a hydrogen gas atmosphere, [7][8][9][10] electrochemically by polarization in a suitable electrolyte solution, [14][15][16][17] or chemically by immersion in a NaBH 4 solution. 18 The major advantage of electrochemical loading is the ability to control the hydrogen concentration.…”
Section: Introductionmentioning
confidence: 99%