All Stories

  1. High power pulse delivery over a short distance through an all-solid anti-resonant microstructured optical fiber at 2

    Article • Optical Fiber Technology, December 2023, Elsevier

    Prof. Nikhil Ranjan Das

  2. A Design Approach for a Homogeneous Hole-Assisted Multi-Core Fiber through Hole-Allocation around the Central Core for Minimizing Crosstalk

    Article • IEEE Journal of Quantum Electronics, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  3. Controlling birhythmicity in a new Dual Loop Optoelectronic Oscillator with an injection locked van der Pol oscillator

    Article • Physica D Nonlinear Phenomena, August 2022, Elsevier

    Prof. Nikhil Ranjan Das

  4. Design of a compact silicon photonic directional coupler introducing a hetero-cladding approach

    Article • Journal of the Optical Society of America B, July 2022, Optical Society of America (OSA)

    Prof. Nikhil Ranjan Das

  5. Spectral efficiency and quantum limit of BPSK transmission in a WDM system in presence of multiple interferers

    Article • Photonic Network Communications, August 2021, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  6. On the Transient Behavior of Single-Loop Optoelectronic Oscillators Under RF Injection-Locking

    Article • IEEE Journal of Quantum Electronics, December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  7. Modeling power and linewidth of quantum dot superluminescent light emitting diode

    Article • Journal of Applied Physics, August 2020, American Institute of Physics

    Prof. Nikhil Ranjan Das, Shampa Guin

  8. Effect of device parameters on improving the quantum efficiency of a lateral Si p–i–n photodetector

    Article • Optical and Quantum Electronics, August 2020, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  9. Publisher Correction: Intrinsic plasticity of silicon nanowire neurotransistors for dynamic memory and learning functions

    Article • Nature Electronics, June 2020, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  10. Intrinsic plasticity of silicon nanowire neurotransistors for dynamic memory and learning functions

    Article • Nature Electronics, May 2020, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  11. Waveguide design optimization for compact silicon photonic ferroelectric phase shifters

    Article • Applied Optics, May 2020, Optical Society of America (OSA)

    Prof. Nikhil Ranjan Das

  12. A theoretical and experimental study of the frequency pulling phenomenon in a single-loop optoelectronic microwave oscillator due to RF signal injection

    Article • Optik, April 2020, Elsevier

    Prof. Nikhil Ranjan Das

  13. Frequency pulling in optoelectronic oscillator by RF signal injection

    Article • Optical and Quantum Electronics, April 2020, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  14. An approach to design photonic crystal gas sensor using machine learning

    Article • Optik, April 2020, Elsevier

    Prof. Nikhil Ranjan Das

  15. Modelling domain switching of ferroelectric BaTiO3 integrated in silicon photonic waveguides

    Article • Optics Communications, October 2019, Elsevier

    Prof. Nikhil Ranjan Das

  16. Enhancement of optical gain in quantum dot ensemble with electric field

    Article • Superlattices and Microstructures, January 2019, Elsevier

    Prof. Nikhil Ranjan Das

  17. Control of coexisting periodic oscillations in an optoelectronic oscillator

    Article • Optical Engineering, December 2018, SPIE

    Prof. Nikhil Ranjan Das

  18. A Study on the Effect of an External Periodic Signal in a Chaotic Optoelectronic Oscillator

    Article • October 2018, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  19. Generation & control of chaos in a single loop optoelectronic oscillator

    Article • Optik, July 2018, Elsevier

    Arindum Mukherjee, Prof. Nikhil Ranjan Das

  20. Phase-locking dynamics in optoelectronic oscillator

    Article • Optics Communications, May 2018, Elsevier

    Prof. Nikhil Ranjan Das

  21. Multiple rhythms in an optoelectronic oscillator

    Article • February 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Arindum Mukherjee, Prof. Nikhil Ranjan Das

  22. An approach for realistic estimation of BER due to signal-component crosstalk in a WDM receiver

    Article • Optik, October 2017, Elsevier

    Prof. Nikhil Ranjan Das

  23. Electric field aided optical gain in semiconductor quantum dots

    Article • July 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  24. Gain and linewidth enhancement in quantum dots with external electric field

    Article • July 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  25. Realistic estimation of power penalty through a probabilistic framework in a WDM receiver with component crosstalk

    Article • July 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  26. A probabilistic framework to estimate minimum Bit Error Rate in a WDM receiver with component crosstalk

    Article • November 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  27. Study the effect of inhomogeneous broadening in Quantum Dots for application in medical imaging

    Article • November 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  28. Study on the complex dynamics of a single loop optoelectronic oscillator

    Article • August 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Arindum Mukherjee, Prof. Nikhil Ranjan Das

  29. Effect of gate voltage and structural parameters on the Subthreshold Swing and the DIBL of Si-SiO2 GAA quantum wire transistor

    Article • April 2016, Taylor & Francis

    Prof. Nikhil Ranjan Das

  30. Effects of alloy composition on gain and bandwidth of Si/SiGe and Si/GeSn avalanche photodiodes

    Article • Optik, March 2016, Elsevier

    Prof. Nikhil Ranjan Das

  31. Harmonic distortion and power relations in a single loop optoelectronic oscillator

    Article • Optik, January 2016, Elsevier

    Prof. Nikhil Ranjan Das

  32. Performance Degradation due to Component, SRS and FWM Crosstalk in a WDM Receiver

    Article • January 2016, Optical Society of America (OSA)

    Prof. Nikhil Ranjan Das

  33. Optical synchronization of microwave signals in an optoelectronic oscillator

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Arindum Mukherjee, Prof. Nikhil Ranjan Das

  34. Effect of alloy composition on the gain performance of a Si/Ge1−ySny avalanche photodiode

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  35. Effect of finger spacing on the gain of a silicon avalanche photodetector compatible with CMOS technology

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  36. Oscillator strength and absorption cross-section of core-shell cubic quantum dot for intraband transition

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  37. A study on the effect of synchronization by an angle modulated signal in a single loop optoelectronic oscillator

    Article • Optik, October 2015, Elsevier

    Prof. Nikhil Ranjan Das

  38. Calculating intersubband transition energy in T-shaped quantum wire using FD technique

    Article • February 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  39. Oscillator Strength and Absorption Cross-section of Core-Shell Triangular Quantum Wire for Intersubband Transition

    Article • January 2015, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  40. A finite-difference technique for computation of electron states in core–shell quantum wires of different configurations

    Article • Physica Scripta, May 2014, Institute of Physics Publishing

    Prof. Nikhil Ranjan Das

  41. Laser induced microwave oscillator under the influence of interference

    Article • International Journal of Microwave and Wireless Technologies, March 2014, Cambridge University Press

    Dr Somnath Chatterjee, Arindum Mukherjee, Prof. Nikhil Ranjan Das

  42. Analysis of in-band crosstalk-crosstalk beat noise and obtaining Bit Error Rate in a WDM receiver

    Article • February 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  43. ABSORPTION COEFFICIENT IN A MQW INTERSUBBAND PHOTODETECTOR WITH NON-UNIFORM DOPING DENSITY & LAYER DISTRIBUTION

    Article • Progress In Electromagnetics Research M, January 2014, EMW Publishing

    Prof. Nikhil Ranjan Das

  44. Analysis of BPSK homodyne receivers based on modified dither optical phase-locked loop

    Article • Optik, January 2014, Elsevier

    Prof. Nikhil Ranjan Das

  45. Analysis of size distribution of red blood corpuscles using surface Plasmon resonance sensor for medical diagnosis

    Article • January 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  46. Effect of Packing Density on Crosstalk in On-chip Optical Interconnects

    Article • January 2014, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  47. Optical microwave generation using modified sideband injection synchronization with wide line-width lasers for broadband communications

    Article • Optik, January 2014, Elsevier

    Prof. Nikhil Ranjan Das

  48. A comparative study on determination of optimum detection threshold for minimum BER in a WDM receiver with component crosstalk

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  49. Electric field effect on intersubband oscillator strength of semiconductor quantum disk

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  50. Intersubband absorption in core shell quantum dot

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  51. Analysis of BPSK homodyne receivers based on modified balanced optical phase-locked loop in the presence of non-negligible loop propagation delay

    Article • Optik, November 2013, Elsevier

    Prof. Nikhil Ranjan Das

  52. Exact laser line-width requirements evaluation for optical PSK homodyne communication systems with Dither loop

    Article • Optik, November 2013, Elsevier

    Prof. Nikhil Ranjan Das

  53. Computation of intersubband transition energy in normal and inverted core–shell quantum dots using finite difference technique

    Article • Superlattices and Microstructures, August 2013, Elsevier

    Prof. Nikhil Ranjan Das

  54. Gain and bandwidth analysis and comparison for gallium arsenide and silicon avalanche photodiodes with very thin multiplication layer

    Article • Optical Engineering, May 2013, SPIE

    Prof. Nikhil Ranjan Das

  55. On the Optimum Detection Threshold for Minimum Bit Error Rate due to Four-Wave Mixing in a WDM System

    Article • Journal of Optical Communications and Networking, March 2013, Optical Society of America (OSA)

    Prof. Nikhil Ranjan Das

  56. Effect on Shell Thickness on Intersubband Transition Energies in GaAs/AlxGa1−xAs Inverted Core–Shell Nanodot

    Article • January 2013, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  57. Effect of material composition on eigenstates of a three-dimensional heterostructure quantum ring in presence of electric field

    Article • December 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  58. Numerical computation of eigenenergy and intersubband transition energy of GaAs triangular nanowire embedded in AlxGa1−xAs rectangular wire

    Article • December 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  59. Study of intersubband transition energy in a core-shell cylindrical quantum wire in comparison with square nanowire using finite difference technique

    Article • December 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  60. Effect of band nonparabolicity and material composition on intersubband transition energies of a heterostructure quantum ring for optical transmitter

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  61. Effect of capture and escape rates of carriers and well parameters on the performance of multi-quantum well solar cell

    Article • October 2012, SPIE

    Prof. Nikhil Ranjan Das

  62. Effect of pulse parameter and dark count probability on the performance of a gated mode SPAD

    Article • October 2012, SPIE

    Prof. Nikhil Ranjan Das

  63. Modeling the gain and bandwidth of submicron active layer n+-i-p+avalanche photodiode

    Article • October 2012, SPIE

    Prof. Nikhil Ranjan Das

  64. Role of diffusion and parasitic effects on the frequency response of a Si-CMOS photodetector

    Article • October 2012, SPIE

    Prof. Nikhil Ranjan Das

  65. Study of energy eigenvalues and density of states of carriers in a triangular quantum wire

    Article • October 2012, SPIE

    Prof. Nikhil Ranjan Das

  66. Electron states in a silicon nanowire in the presence of surface potential and field

    Article • Nanotechnology, September 2012, Institute of Physics Publishing

    Prof. Nikhil Ranjan Das

  67. Effect of electric field on the oscillator strength and cross-section for intersubband transition in a semiconductor quantum ring

    Article • Physica Scripta, March 2012, Institute of Physics Publishing

    Prof. Nikhil Ranjan Das

  68. Electron states in a semiconductor quantum ring in parallel magnetic field

    Article • March 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  69. Electronic Tuning of Intersubband Transition of Inverted Core-Shell Cylindrical Quantum Wire for Novel Lasing Performance

    Article • Procedia Technology, January 2012, Elsevier

    Prof. Nikhil Ranjan Das

  70. Performance Analysis of a Ge-on-Si Resonant Cavity Enhaced Schottky Photodetetor for Optical Communication at 1.55μ m

    Article • Procedia Technology, January 2012, Elsevier

    Prof. Nikhil Ranjan Das

  71. Study of Electron Energies in Core-Shell Triangular Quantum Wire using FD Technique for Lasing Performance

    Article • January 2012, Optical Society of America (OSA)

    Prof. Nikhil Ranjan Das

  72. Structure and magnetic properties of Co-doped ZnO dilute magnetic semiconductors synthesized via hydrothermal method

    Article • January 2012, American Institute of Physics

    Prof. Nikhil Ranjan Das

  73. On the Frequency Response and Optimum Designs for Maximum Bandwidth of a Lateral Silicon Photodetector

    Article • Journal of Lightwave Technology, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  74. Probability of Power Depletion in SRS Cross-Talk and Optimum Detection Threshold for Minimum BER in a WDM Receiver

    Article • IEEE Journal of Quantum Electronics, April 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  75. Tunneling current calculations for nonuniform and asymmetric multiple quantum well structures

    Article • Journal of Applied Physics, March 2011, American Institute of Physics

    Prof. Nikhil Ranjan Das

  76. Calculating the noise performance of a Ge-on-Si schottky photodetector

    Article • Microwave and Optical Technology Letters, November 2010, Wiley

    Prof. Nikhil Ranjan Das

  77. Effect of barrier asymmetry on tunneling current in double barrier quantum well structure

    Article • December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  78. Si-based photodetectors in optical communication

    Article • December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  79. Study of Component Crosstalk and Obtaining Optimum Detection Threshold for Minimum Bit-Error-Rate in a WDM Receiver

    Article • Journal of Lightwave Technology, October 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  80. Ge/Si photodetectors and group IV alloy based photodetector materials

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  81. On optimum designs of a RCE Si/SiGe/Si MQW photodetector for long wavelength applications

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  82. Calculating the responsivity of a resonant-cavity-enhanced Si1−xGex/Si multiple quantum well photodetector

    Article • Journal of Applied Physics, May 2009, American Institute of Physics

    Prof. Nikhil Ranjan Das

  83. Ge/Si photodetectors and group IV alloy based photodetector materials

    Article • Optical and Quantum Electronics, May 2009, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  84. On optimum designs of a RCE Si/SiGe/Si MQW photodetector for long wavelength applications

    Article • Optical and Quantum Electronics, May 2009, Springer Science + Business Media

    Prof. Nikhil Ranjan Das

  85. Electrical tuning of intersubband transition in a semiconductor quantum ring

    Article • Journal of Applied Physics, March 2009, American Institute of Physics

    Prof. Nikhil Ranjan Das

  86. Threshold for photoelectric emission from a quantum ring of narrow-gap semiconductor

    Article • Physica B Condensed Matter, October 2008, Elsevier

    Prof. Nikhil Ranjan Das

  87. Investigating the effects of hetero-interface trapping on the performance of a Ge-based RCE Schottky photodiode at 1.55 µm

    Article • Semiconductor Science and Technology, June 2008, Institute of Physics Publishing

    Prof. Nikhil Ranjan Das

  88. Frequency response of a resonant cavity encapsulated germanium-on-silicon Schottky photodiode

    Article • IET Circuits Devices & Systems, January 2008, the Institution of Engineering and Technology (the IET)

    Prof. Nikhil Ranjan Das

  89. Tuning of intersubband transition in a quantum ring by external electric field

    Article • December 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  90. Electron emission from a semiconductor quantum ring under normally incident radiation

    Article • Journal of Physics Condensed Matter, April 2007, Institute of Physics Publishing

    Prof. Nikhil Ranjan Das

  91. Effect of Ge-composition on the frequency response of a Si∕Si1−yGey

    Article • Optical Engineering, December 2006, SPIE

    Prof. Nikhil Ranjan Das

  92. A new approach to the modeling of Si-RFIC inductor

    Article • Microwave and Optical Technology Letters, January 2006, Wiley

    Prof. Nikhil Ranjan Das

  93. A Model for the Performance Analysis and Design of Waveguide p-i-n Photodetectors

    Article • IEEE Transactions on Electron Devices, April 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  94. Editorial: Computers and Devices for Communication (CODEC 04)

    Article • IEE Proceedings - Circuits Devices and Systems, January 2005, the Institution of Engineering and Technology (the IET)

    Prof. Nikhil Ranjan Das

  95. Effect of Ge content and profile in the SiGe base on the performance of a SiGe/Si heterojunction bipolar transistor

    Article • Microwave and Optical Technology Letters, January 2005, Wiley

    Prof. Nikhil Ranjan Das

  96. On the Performance Analysis and Design of an Integrated Front-End PIN/HBT Photoreceiver

    Article • IEEE Journal of Quantum Electronics, January 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  97. Analysis, optimization, and spice modeling of resonant cavity enhanced p-i-n photodetector

    Article • Journal of Lightwave Technology, September 2003, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  98. On the frequency response of a resonant-cavity-enhanced separate absorption, grading, charge, and multiplication avalanche photodiode

    Article • Journal of Applied Physics, December 2002, American Institute of Physics

    Prof. Nikhil Ranjan Das

  99. A new model for avalanche build-up of carriers in a SAGCM avalanche photodiode

    Article • IEEE Transactions on Electron Devices, December 2002, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  100. Effect of interface trapping on the frequency response of a photodetector

    Article • Journal of Vacuum Science & Technology A Vacuum Surfaces and Films, May 2002, American Vacuum Society

    Prof. Nikhil Ranjan Das

  101. On the optimum design of the front-end PIN-heterojunction bipolar transistor optoelectronic integrated circuit photoreceiver

    Article • Journal of Vacuum Science & Technology A Vacuum Surfaces and Films, May 2002, American Vacuum Society

    Prof. Nikhil Ranjan Das

  102. Time-domain model for an avalanche photodiode at low-bias

    Article • September 2001, SPIE

    Prof. Nikhil Ranjan Das

  103. High-performance photodetectors for fiber-optic communications

    Article • September 2001, SPIE

    Prof. Nikhil Ranjan Das

  104. Calculating the photocurrent and transit-time-limited bandwidth of a heterostructure p-i-n photo-detector

    Article • IEEE Journal of Quantum Electronics, January 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  105. Low-bias performance of avalanche photodetector. A time-domain approach

    Article • IEEE Journal of Quantum Electronics, January 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  106. A new approach to the design optimization of HEMT and HBT for maximum gain-bandwidth of MSM-based integrated photoreceiver and its noise performance at 1.55 μm

    Article • IEEE Transactions on Electron Devices, January 2000, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Nikhil Ranjan Das

  107. A Comparative Study of Gain, Bandwidth and Noise Performance of MSM-HEMT and MSM-HBT Integrated Photoreceivers at 1.55 μ m

    Article • IETE Technical Review, September 1999, Taylor & Francis

    Prof. Nikhil Ranjan Das

  108. Performance evaluation of photoreceivers with MSM detectors integrated with HEMTs and HBTs

    Article • January 1998, SPIE

    Prof. Nikhil Ranjan Das

  109. Quantized photoemission from rectangular quantum wires of narrow-gap semiconductors

    Article • physica status solidi (b), September 1996, Wiley

    Prof. Nikhil Ranjan Das

  110. On Electron Emission from Quantum Wells in Ultrathin Films of Wide-Gap Semiconductors in Crossed Fields

    Article • physica status solidi (b), April 1993, Wiley

    Prof. Nikhil Ranjan Das

  111. Effect of an electric field on size-quantized photoemission from nanometer films of semiconductors

    Article • physica status solidi (b), November 1992, Wiley

    Prof. Nikhil Ranjan Das

  112. Magnetic Susceptibility of Electrons in Quantum Wires of Wide-Gap Semiconductors

    Article • physica status solidi (b), August 1992, Wiley

    Prof. Nikhil Ranjan Das

  113. On Quantized Photoemission from a Cylindrical Quantum Box of a Wide-Gap Semiconductor

    Article • physica status solidi (b), April 1992, Wiley

    Prof. Nikhil Ranjan Das

  114. On the Quantized States in a Cylindrical Quantum Box of a Narrow-Gap Semiconductor in Crossed Electric and Magnetic Fields

    Article • physica status solidi (b), April 1992, Wiley

    Prof. Nikhil Ranjan Das

  115. Effect of a Tilted Magnetic Field on Energy Quantization and the Einstein Relation in Quantum Wires of Semiconductors

    Article • physica status solidi (b), March 1992, Wiley

    Prof. Nikhil Ranjan Das

  116. On the Magnetic Susceptibility of the Electrons in a Quantum Box of a Wide-Gap Semiconductor

    Article • physica status solidi (b), February 1992, Wiley

    Prof. Nikhil Ranjan Das

  117. On the Electron States in a Cylindrical Quantum Box of a Wide-Gap Semiconductor in Crossed Electric and Magnetic Fields

    Article • physica status solidi (b), January 1992, Wiley

    Prof. Nikhil Ranjan Das