Crystal morphology and nucleation in thin films of amorphous Te alloys used for phase change recording

2005 ◽  
Vol 98 (5) ◽  
pp. 054902 ◽  
Author(s):  
J. A. Kalb ◽  
C. Y. Wen ◽  
Frans Spaepen ◽  
H. Dieker ◽  
M. Wuttig
Keyword(s):  
Thin Films ◽  
Phase Change ◽  
Crystal Morphology

scholarly journals Nonvolatile and reconfigurable tuning of surface lattice resonances using phase-change Ge2Sb2Te5 thin films

2021 ◽  
Vol 22 ◽  
pp. 103897
Author(s):  
Xingzhe Shi ◽  
Changshui Chen ◽  
Songhao Liu ◽  
Guangyuan Li
Keyword(s):  
Thin Films ◽  
Phase Change ◽  
Surface Lattice

scholarly journals Introduction of Chalcogenide Glasses to Additive Manufacturing: Nanoparticle Ink Formulation, Inkjet Printing, and Phase Change Devices Fabrication

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
A. Ahmed Simon ◽  
B. Badamchi ◽  
H. Subbaraman ◽  
Y. Sakaguchi ◽  
L. Jones ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Change ◽  
Inkjet Printing ◽  
Chalcogenide Glasses ◽  
Dip Coating ◽  
Potential Applications ◽  
Coating Methods ◽  
Report Data ◽  
Nanoparticle Ink ◽  
Ink Formulation

AbstractChalcogenide glasses are one of the most versatile materials that have been widely researched because of their flexible optical, chemical, electronic, and phase change properties. Their application is usually in the form of thin films, which work as active layers in sensors and memory devices. In this work, we investigate the formulation of nanoparticle ink of Ge–Se chalcogenide glasses and its potential applications. The process steps reported in this work describe nanoparticle ink formulation from chalcogenide glasses, its application via inkjet printing and dip-coating methods and sintering to manufacture phase change devices. We report data regarding nanoparticle production by ball milling and ultrasonication along with the essential characteristics of the formed inks, like contact angle and viscosity. The printed chalcogenide glass films were characterized by Raman spectroscopy, X-ray diffraction, energy dispersive spectroscopy and atomic force microscopy. The printed films exhibited similar compositional, structural, electronic and optical properties as the thermally evaporated thin films. The crystallization processes of the printed films are discussed compared to those obtained by vacuum thermal deposition. We demonstrate the formation of printed thin films using nanoparticle inks, low-temperature sintering and proof for the first time, their application in electronic and photonic temperature sensors utilizing their phase change property. This work adds chalcogenide glasses to the list of inkjet printable materials, thus offering an easy way to form arbitrary device structures for optical and electronic applications.

scholarly journals Reconfigurable Flat Optics with Programmable Reflection Amplitude Using Lithography‐Free Phase‐Change Material Ultra‐Thin Films (Advanced Optical Materials 2/2021)

2021 ◽  
Vol 9 (2) ◽  
pp. 2170006
Author(s):  
Sébastien Cueff ◽  
Arnaud Taute ◽  
Antoine Bourgade ◽  
Julien Lumeau ◽  
Stephane Monfray ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Change ◽  
Phase Change Material ◽  
Optical Materials ◽  
Reflection Amplitude ◽  
Change Material

Crystal Morphology and Growth in Annealed Rubrene Thin Films

2016 ◽  
Vol 16 (8) ◽  
pp. 4720-4726 ◽  
Author(s):  
Thomas R. Fielitz ◽  
Russell J. Holmes
Keyword(s):  
Thin Films ◽  
Crystal Morphology

Multilayer SnSb4–SbSe Thin Films for Phase Change Materials Possessing Ultrafast Phase Change Speed and Enhanced Stability

2017 ◽  
Vol 9 (32) ◽  
pp. 27004-27013 ◽  
Author(s):  
Ruirui Liu ◽  
Xiao Zhou ◽  
Jiwei Zhai ◽  
Jun Song ◽  
Pengzhi Wu ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Change ◽  
Phase Change Materials ◽  
Enhanced Stability

Picosecond laser pulse-driven crystallization behavior of SiSb phase change memory thin films

2011 ◽  
Vol 128 (3) ◽  
pp. 405-409 ◽  
Author(s):  
Huan Huang ◽  
Simian Li ◽  
Fengxiao Zhai ◽  
Yang Wang ◽  
Tianshu Lai ◽  
...  
Keyword(s):  
Thin Films ◽  
Laser Pulse ◽  
Phase Change ◽  
Crystallization Behavior ◽  
Phase Change Memory ◽  
Picosecond Laser ◽  
Picosecond Laser Pulse ◽  
Change Memory

scholarly journals Reconfigurable Flat Optics with Programmable Reflection Amplitude Using Lithography‐Free Phase‐Change Material Ultra‐Thin Films

2020 ◽  
pp. 2001291
Author(s):  
Sébastien Cueff ◽  
Arnaud Taute ◽  
Antoine Bourgade ◽  
Julien Lumeau ◽  
Stephane Monfray ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Change ◽  
Phase Change Material ◽  
Reflection Amplitude ◽  
Change Material

scholarly journals Tunable laser induced periodic surface structures in Ge2Sb2Te5 thin films

2021 ◽  
Vol 2086 (1) ◽  
pp. 012170
Author(s):  
Irina G Bessonova ◽  
Pavel I Trofimov ◽  
Petr I Lazarenko ◽  
Demid A Kirilenko ◽  
Nikolay A Bert ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Change ◽  
Low Cost ◽  
Beam Steering ◽  
Tunable Laser ◽  
Surface Structures ◽  
Periodic Surface ◽  
Light Localization ◽  
Rapid Fabrication ◽  
Direct Laser

Abstract Planar photonic structures, such as gratings and metasurfaces, are routinely used for beam steering, waveguide coupling, and light localization. However, conventional fabrication techniques that involve lithography are demanding in terms of time and cost. Much cheaper and simpler methods for surface patterning and formation of periodic surface structures are enabled by direct laser processing. Here, we demonstrate low-cost rapid fabrication of high-quality phase gratings based on the formation of laser induced periodic surface structures (LIPSS, or ripples) in Ge2Sb2Te5 (GST) thin films. Due to unique phase change properties of GST, the structures demonstrate strong modulation of refractive index with period controlled by the wavelength of laser irradiation. We study the formation of phase change LIPSS in a broad range of excitation wavelengths and observe transition between regimes with different orientations of generated ripples with respect to laser polarization.

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