Anomalous photoresponse of thick bismuth films to pulsed laser excitation

de Sande, J.C.G.; Balmaseda, M. Sanchez
June 1994
Applied Physics Letters;6/27/1994, Vol. 64 Issue 26, p3658
Academic Journal
Measures the transient photoresponse induced by laser pulses in thick bismuth films at room temperature. Importance of the optical pumping of carriers into a metastable and; Effect of temperature on film resistivity; Ways to cancel the small transverse thermoelectrical signals of the films.


Related Articles

  • Patterning of NiCr(80/20) on Al2O3 Using Picosecond Laser Pulses. Suttmann, Oliver; Duesing, Jan F.; Klug, Ulrich; Kling, Rainer // Journal of Laser Micro / Nanoengineering;2011, Vol. 6 Issue 1, p31 

    This paper concentrates on the characterisation of the ablation process of thin strain sensitive NiCr films deposited on Al2O3 substrates. The optical skin depth of NiCr (80/20) is identified. Removal experiments with single and multiple pulse point ablations are carried out on Al2O3 bulk...

  • Laser-induced aligned self-assembly on water surfaces. Nevo, Iftach; Kapishnikov, Sergey; Birman, Atalia; Dong, Mingdong; Cohen, Sidney R.; Kjaer, Kristian; Besenbacher, Flemming; Stapelfeldt, Henrik; Seideman, Tamar; Leiserowitz, Leslie // Journal of Chemical Physics;4/14/2009, Vol. 130 Issue 14, p144704 

    The key to functionalize of engineered molecularly nanometer thick films lies in the ability to reproducibly control their structure. A number of factors influence the film morphology of self-assembled films on solid or liquid surfaces, such as the structure of the molecules/particles, wetting,...

  • Combined atomistic-continuum model for simulation of laser interaction with metals: application in the calculation of melting thresholds in Ni targets of varying thickness. Ivanov, D. S.; Zhigilei, L. V. // Applied Physics A: Materials Science & Processing;2004, Vol. 79 Issue 4-6, p977 

    The threshold laser fluence for the onset of surface melting is calculated for Ni films of different thicknesses and for a bulk Ni target using a combined atomistic-continuum computational model. The model combines the classical molecular dynamics (MD) method for simulation of non-equilibrium...

  • Evolution of spin coherence dynamics and g factor with electron excess energy in bulk intrinsic GaAs. Lai, Tianshu; Teng, Lihua; Jiao, Zhongxing; Xu, Haihong; Lei, Liang; Wen, Jinhui; Lin, Weizhu // Applied Physics Letters;8/6/2007, Vol. 91 Issue 6, p062110 

    Circularly polarized absorption quantum-beat spectroscopy is used to study excess-energy dependence of electron-spin coherence dynamics in intrinsic GaAs. Absorption quantum beats are observed. The quantum-beat oscillatory frequency is used as a high precision measure of electron g factor....

  • The influence of wavelength on phase transformations induced by picosecond and femtosecond laser pulses in GeSb thin films. Wiggins, S. M.; Bonse, J.; Solis, J.; Afonso, C. N.; Sokolowski-Tinten, K.; Temnov, V. V.; Zhou, P.; von der Linde, D. // Journal of Applied Physics;12/1/2005, Vol. 98 Issue 11, p113518 

    Cycling between the crystalline and amorphous phases of 25-nm-thick GeSb films induced by single laser pulses of duration of 100 fs or 20 ps is investigated in the 400–800 nm wavelength range. The time evolution of the phase transformations has been studied with picosecond resolution...

  • Picosecond time-resolved x-ray refectivity of a laser-heated amorphous carbon film. Nüske, R.; Jurgilaitis, A.; Enquist, H.; Farahani, S. Dastjani; Gaudin, J.; Guerin, L.; Harb, M.; Schmising, C. v. Korff; Störmer, M.; Wulff, M.; Larsson, J. // Applied Physics Letters;3/7/2011, Vol. 98 Issue 10, p101909 

    We demonstrate thin film x-ray reflectivity measurements with picosecond time resolution. Amorphous carbon films with a thickness of 46 nm were excited with laser pulses characterized by 100 fs duration, a wavelength of 800 nm, and a fluence of 70 mJ/cm2. The laser-induced stress caused a rapid...

  • Magnetic field and temperature dependence of terahertz radiation from InAs surfaces excited by femtosecond laser pulses. Hangyo, M.; Migita, M.; Nakayama, K. // Journal of Applied Physics;10/1/2001, Vol. 90 Issue 7, p3409 

    The magnetic field (0–5 T) and temperature (10–300 K) dependence of terahertz radiation from InAs surfaces excited by femtosecond laser pulses has been studied in detail. The radiation intensity is strongly enhanced under the magnetic field and at low temperatures, which is...

  • Picosecond dynamics of an IR sensitive squaraine dye. Role of singlet and triplet excited states... Di Liu; Kamat, Prashant V.; Thomas, K. George; Thomas, K.J.; Das, Suresh; George, M.V. // Journal of Chemical Physics;4/15/1997, Vol. 106 Issue 15, p6404 

    Examines the photosensitization properties of a novel squaraine dye using picosecond laser flash photolysis. Protonated form of the dye; Association constant as determined from the quenching studies; Singlet excited state of the protonated form of the dye participates in the charge injection...

  • Effect of laser irradiation on carbon implanted copper substrates. Singh, Rajiv K. // Applied Physics Letters;10/21/1991, Vol. 59 Issue 17, p2115 

    Examines the effect of laser irradiation on carbon implanted copper substrates. Comparison between the melting threshold of 15 and 2.5 nanosecond laser pulses; Correlation between maximum melt depth, surface temperature and pulse energy density; Solidification velocities of pulsed lasers.

  • Generation of 415.9-482.6 nm tunable intense picosecond single pulse in LiB[sub 3]O[sub 5]. Fang Huang; Li Huang; Bao-Iu Yin; You-nian Hua // Applied Physics Letters;2/15/1993, Vol. 62 Issue 7, p672 

    Presents an intelligent type II noncritically phase-matched LiB[sub 3]O[sub 5] (LBO) optical generator pumped by 30 picosecond laser pulse. Ways to generate a high power tunable laser; Measurement of the pump-to-signal energy; Use of type II noncritical phase-matching of LBO.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics