A layered Ge2Sb2Te5phase change material

Zhang, Bo; Čičmancová, Veronika; Kupčı́k, Jaroslav; Šlang, Stanislav; Rodríguez‐Pereira, Jhonatan; Svoboda, Roman; Kutálek, Petr; Wágner, T.

doi:10.1039/c9nr08745a

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2020

2024

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Cited by 7 publications

(2 citation statements)

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“…We invented a new method to synthesis 2D material. Many chalcogenide 2D materials have been successfully prepared with this method in our group [35]， [36]. In this paper, assputtered tungsten thin film is observed in a stack of 2D monolayers.…”

Section: Introductionmentioning

confidence: 99%

2D metallic tungsten material

Zhang

Čičmancová

Rodríguez‐Pereira

et al. 2020

Applied Surface Science

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Section: Introductionmentioning

confidence: 99%

2D metallic tungsten material

Zhang

Čičmancová

Rodríguez‐Pereira

et al. 2020

Applied Surface Science

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“…At 1217.4 eV in Ge 2p3/2, the spectrum corresponds to the Ge-Te bond [9]. At 529 eV in Sb 3d5/2 and 573.15 eV in Te 3d5/2, they both correspond to the Sb-Te bond [10]. The binding energy of the Ge-Te bond increases after radiation, while the binding energy of the Ge-O bond is approximately 1220 eV.…”

Section: Resultsmentioning

confidence: 99%

Neutron Radiation-induced Damage to the Local Structure and Optical Properties of Amorphous Phase-Change Materials

Rao,

Wang

2024

AETR

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Phase change materials are being developed for aerospace applications due to their unique storage mechanisms and excellent optical storage performance, where radiation damage is an issue that needs to be addressed. This paper used a 300 KeV neutron beam to irradiate amorphous Ge2Sb2Te5 (a-GST) films, the radiation damage to the local structure and optical properties of a-GST were studied. The results showed that neutron radiation partially damaged the Ge-Te and Sb-Te, causing changes in the values and distribution of the refractive index, but had a lesser impact on reflectivity. Good neutron radiation tolerance was exhibited by a-GST.

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