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582 Aktuelle Fachpublikationen zum Thema temperature

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The zero phonon line revisited

19.11.2015 | Mark C. A. York, physica status solidi (c), 2015

Abstract We treat the exciton–thermal acoustic phonon interaction as a coupling to a (not necessarily classical) stochastic background, in turn applying a Luttinger–Ward style of resummation to self–energy diagrams and leading to a non–perturbative resolution of the exciton spectral density. ...


Evidence for formation of self‐trapped excitons in a β‐Ga2O3 single crystal

12.11.2015 | Suguru Yamaoka, Masaaki Nakayama, physica status solidi (c), 2015

Abstract We have investigated photoluminescence (PL) and absorption properties of a β‐Ga2O3single crystal from the viewpoint of the stability of self‐trapped excitons (STEs). A broad PL band with a large Stokes shift, which is conventionally assigned to the STE, was observed. To reveal the ...


Crystallization and phase separation mechanism of silicon oxide thin films fabricated via e‐beam evaporation of silicon monoxide

09.11.2015 | Deniz Cihan Gunduz, Aydin Tankut, Salar Sedani, Mehmet Karaman, Rasit Turan, physica status solidi (c), 2015

Abstract In this work, silicon oxide thin films were synthesized via e‐beam evaporation of silicon monoxide. Subsequent annealing experiments were carried out to induce Si nanocrystals (Si NCs) formation. A broad range of annealing durations and temperatures were studied. Raman spectroscopy, ...


Spray pyrolysed thin films of copper antimony sulfide as photovoltaic absorber

09.11.2015 | Jose Agustin Ramos Aquino, Dorian Leonardo Rodriguez Vela, Sadasivan Shaji, David Avellaneda Avellaneda, Bindu Krishnan, physica status solidi (c), 2015

Abstract Copper antimony sulfide (CuSbS2) thin films have been gained interest recently as an emerging light absorbing material for photovoltaic applications. In this work we report synthesis and characterization of spray pyrolised CuSbS2 thin films. The precursor solution consisted of SbCl3, ...


Investigation of optical parameters of thermally evaporated ZnSe thin films

29.10.2015 | H. H. Güllü, E. Coşkun, M. Parlak, physica status solidi (c), 2015

Abstract In this work, zinc selenide (ZnSe) thin films were deposited by thermal evaporation method using pure elemental (Zn and Se) sources. The physical properties of the films have been investigated in terms of the structural and optical characterizations depending on the post‐annealing ...


Tin sulfide films by spray pyrolysis technique using L‐cysteine as a novel sulfur source

29.10.2015 | Svetlana Polivtseva, Ilona Oja Acik, Atanas Katerski, Arvo Mere, Valdek Mikli, Malle Krunks, physica status solidi (c), 2015

Abstract Tin sulfide films were deposited by spray pyrolysis method using aqueous solutions containing tin chloride (SnCl2) and L‐cysteine (HO2CCH(NH2)CH2SH) as a novel source of sulfur instead of commonly used thiourea. L‐cysteine prevents SnCl2 from hydrolysis due to a complex formation as ...


Synthesis, characterization and testing of Cr(III)‐doped aluminum oxide/molybdate nanocomposites as luminescent probes for scanning thermal microscopy

26.10.2015 | Yu. Hizhnyi, S. Nedilko, V. Chornii, K. Terebilenko, N. Slobodyanik, L. Aigouy, physica status solidi (c), 2015

Abstract The conditions of synthesis and luminescence characteristics of composites Al2O3:Cr3+/NaAl(MoO4)2:Cr3+obtained from molybdate high‐temperature solutions have been studied. The composite formation has been achieved by rapid cooling of a Na‐Al‐Cr‐Mo‐O molten solution in the range of ...


Static response and stiction analysis of MEMS micromembranes for optical applications

26.10.2015 | Marius Pustan, Cristian Dudescu, Corina Birleanu, physica status solidi (c), 2015

Abstract The scope of this paper is to investigate the designing, manufacturing and testing of MEMS micromembranes with high mobility. The implementation field of micromembranes is in the optical applications. The mobility of MEMS membranes is provided by the geometry of hinges and their ...


Low temperature aluminum doped zinc oxide thin film deposition on ultra‐thin flexible glass and PET substrates by RF magnetron sputtering

19.10.2015 | Zeynep Demircioğlu, Engin Özkol, Hisham Nasser, Raşit Turan, physica status solidi (c), 2015

Abstract Aluminum doped zinc oxide (AZO) thin films are prepared on ultra‐thin flexible glass and flexible polyethylene terephthalate (PET) substrates at room temperature by radio frequency (RF) magnetron sputtering. Optimization of films has been achieved by varying process parameters to ...


Effect of aluminum thickness and etching time of aluminum induced texturing process on soda lime glass substrates for thin solar cell applications

25.09.2015 | Mustafa Ünal, Hisham Nasser, Mete Günöven, İlkay Sökmen, Aydın Tankut, Raşit Turan, physica status solidi (c), 2015

Abstract In this study, aluminum induced texturing (AIT) technique is used to increase light absorption in thin film by way of increasing the portion of the diffuse transmitted light (haze). For this purpose, various AIT process parameters such as starting aluminum thicknesses, annealing ...


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