Glass formation in the GexTe100−x binary system: Synthesis by twin roller quenching and co-thermal evaporation techniques

Piarristeguy, Andréa; Barthélémy, Eléonore; Krbal, Miloš; Frayret, Jérôme; Vigreux, Caroline; Pradel, Annie

doi:10.1016/j.jnoncrysol.2009.04.072

Cited by 26 publications

(24 citation statements)

References 18 publications

(24 reference statements)

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“…The decrease of T g versus at.% Te was also observed in the Te-rich region of the Te-Ge alloys by Sarach et al [18] and Takamori et al [19]. The appearance of new crystallization peaks with the increase in at.% Te was observed for Te-Ge bulk glasses prepared by the twin roller quenching technique [8]. For tellurium atomic percentages lower than 80 approximately, only one crystallization peak was observed.…”

Section: Discussionmentioning

confidence: 58%

“…It allowed defining a very large amorphous domain in the Te-Ge-Ga ternary film system, compared to that reported for corresponding bulk materials [3]. In particular, the amorphous region of the Te-Ge binary film system [8] was extended compared to that of the binary bulk system [9][10][11][12]. Conventional melt quenching method indeed allowed obtaining a narrow amorphous region centred on the eutectic composition Te 85 Ge 15 [9][10][11][12].…”

Section: Introductionmentioning

confidence: 89%

“…On the contrary, co-thermal evaporation allowed obtaining films in the region 64. 8-89.8 at.% Te [8].…”

Section: Introductionmentioning

confidence: 97%

See 2 more Smart Citations

Effect of composition on the properties of Te–Ge thick films deposited by co-thermal evaporation

Barthélémy

Albert

Vigreux

et al. 2010

Journal of Non-Crystalline Solids

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Section: Discussionmentioning

confidence: 58%

Section: Introductionmentioning

confidence: 89%

See 1 more Smart Citation

Effect of composition on the properties of Te–Ge thick films deposited by co-thermal evaporation

Barthélémy

Albert

Vigreux

et al. 2010

Journal of Non-Crystalline Solids

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“…Compared with oxides and halides, metals have high heat conductivity, so high cooling rates can be obtained using the rolling quenching method [66,67], which allows for the production of metallic glasses with low liquid viscosities; thus, large critical cooling rates become possible. Fig.…”

Section: The Formation Of Glass: Classical Approaches Typical Methodsmentioning

confidence: 99%

The formation of glass: a quantitative perspective

Jiang

Zhang

2015

Sci. China Mater.

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In constant use since ancient times, glass remains a highly valued material that is ubiquitous in daily life. Today, glass has become an indispensable and essential component in such fields as photonics, optical communications, photovoltaic cells, household appliances, vehicles, and building materials. However, one of major stumbling blocks for its optimal use is the low glass-forming ability (GFA) of many glass-forming compositions, which is far from being adequately solved. Understanding the nature of the GFAs of materials is the key to the development of new glasses with improved properties and manufacturability for various engineering applications. The rapid development of new glasses over the past several decades has led to increasingly complex material compositions. However, the phase diagrams of these materials have yet to be properly addressed even though such diagrams are extremely useful in rationally designing glass-forming compositions and predicting their behavior in pursuit of new functional glasses with particular desired properties. In this context, the present review strives to provide new insights into the formation of glasses and glass-forming regions through quantitative calculations and predictions based on a comprehensive survey and analysis of the existing experimental observations and theoretical considerations, a considerable portion of which stems from work performed in our own laboratory.

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“…26 Zakery and Elliot 27 explain that the thermal-evaporation method is not suitable for the accurate transfer of stoichiometry of multicomponent glass films. The Group of Pradel 28 has developed a thermal coevaporation approach using different targets to lay down simultaneously Table 1 Highlights key thermal properties when coprocessing two glasses using hot embossing. Here, As-Se core glass and Ge-AsSe under-cladding glass were selected to make high NA waveguides (Secs.…”

Section: Thermally Evaporated Film On Glassmentioning

confidence: 99%

Mid-infrared integrated optics: versatile hot embossing of mid-infrared glasses for on-chip planar waveguides for molecular sensing

et al. 2014

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Abstract. The versatility of hot embossing for shaping photonic components on-chip for mid-infrared (IR) integrated optics, using a hard mold, is demonstrated. Hot embossing via fiber-on-glass (FOG), thermally evaporated films, and radio frequency (RF)-sputtered films on glass are described. Mixed approaches of combined plasma etching and hot embossing increase the versatility still further for engineering optical circuits on a single platform. Application of these methodologies for fabricating molecular-sensing devices on-chip is discussed with a view to biomedical sensing. Future prospects for using photonic integration for the new field of mid-IR molecular sensing are appraised. Also, common methods of measuring waveguide optical loss are critically compared, regarding their susceptibility to artifacts which tend artificially to depress, or enhance, the waveguide optical loss.

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Glass formation in the GexTe100−x binary system: Synthesis by twin roller quenching and co-thermal evaporation techniques

Cited by 26 publications

References 18 publications

Effect of composition on the properties of Te–Ge thick films deposited by co-thermal evaporation

Effect of composition on the properties of Te–Ge thick films deposited by co-thermal evaporation

The formation of glass: a quantitative perspective

Mid-infrared integrated optics: versatile hot embossing of mid-infrared glasses for on-chip planar waveguides for molecular sensing

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