subhendu sarkar | Rungta Engineering College, Raipur (original) (raw)

Address: Ranaghat, West Bengal, India

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Papers by subhendu sarkar

Research paper thumbnail of Impact of repetitive and random surface morphologies on the ripple formation on ion bombarded SiGe-surfaces

New Journal of Physics, 2008

Research paper thumbnail of Instantaneous surface work function dependence of MCs n + molecular ion emission under varying Cs environments

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, 2005

Kinetic energy distributions of View the MathML source (n = 0, 1, 2, …) molecular ions (M – targe... more Kinetic energy distributions of View the MathML source (n = 0, 1, 2, …) molecular ions (M – target element to be analyzed and Cs + – primary ion) emitted in the SIMS process have been studied for Al under varying Cs environments. Experiments were performed for different impact ...

Research paper thumbnail of Formation of a tetragonal Cu3Au alloy at gold/copper interfaces

Surface and Interface Analysis, 2003

A gold–copper alloy with a nominal composition of Cu3Au but with a tetragonal (c = 4a) structure ... more A gold–copper alloy with a nominal composition of Cu3Au but with a tetragonal (c = 4a) structure is observed to form at Au/Cu interfaces of gold/copper multilayers deposited on amorphous substrates by d.c. magnetron sputtering. The formation of this non-equilibrium structure (tentatively D023) under-ambient conditions is detected by secondary ion mass spectrometry, x-ray diffraction and high-resolution cross-sectional transmission electron microscopy. Co-sputtering of Au and Cu under similar conditions produces only conventional fcc Cu3Au alloy phases, suggesting that interfacial confinement plays a significant role in producing the novel Cu3Au alloy phase in gold/copper multilayers. Copyright © 2003 John Wiley & Sons, Ltd.

Research paper thumbnail of Energetics of M Cs +n molecular ions emitted from Cs+ irradiated surfaces

Physical Review B, 2004

Kinetic energy distributions of MCs n + ( n=0 ,1,2,3, …, etc.) molecular ions ( M —target element... more Kinetic energy distributions of MCs n + ( n=0 ,1,2,3, …, etc.) molecular ions ( M —target element of interest and Cs + —primary ion) emitted in the secondary ion mass spectroscopy process have been studied for various metallic samples (Al, Cu, and Ag) under varying Cs + impact ion ...

Research paper thumbnail of Interface-dominated growth of a metastable novel alloy phase

Journal of Materials Research, 2005

Research paper thumbnail of Secondary emission of MCs n + molecular ions under the joint influence of electropositive and electronegative elements

Research paper thumbnail of Towards an understanding of MCs n + formation mechanism in SIMS

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, 2003

Research paper thumbnail of Impact of repetitive and random surface morphologies on the ripple formation on ion bombarded SiGe-surfaces

New Journal of Physics, 2008

Research paper thumbnail of Instantaneous surface work function dependence of MCs n + molecular ion emission under varying Cs environments

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, 2005

Kinetic energy distributions of View the MathML source (n = 0, 1, 2, …) molecular ions (M – targe... more Kinetic energy distributions of View the MathML source (n = 0, 1, 2, …) molecular ions (M – target element to be analyzed and Cs + – primary ion) emitted in the SIMS process have been studied for Al under varying Cs environments. Experiments were performed for different impact ...

Research paper thumbnail of Formation of a tetragonal Cu3Au alloy at gold/copper interfaces

Surface and Interface Analysis, 2003

A gold–copper alloy with a nominal composition of Cu3Au but with a tetragonal (c = 4a) structure ... more A gold–copper alloy with a nominal composition of Cu3Au but with a tetragonal (c = 4a) structure is observed to form at Au/Cu interfaces of gold/copper multilayers deposited on amorphous substrates by d.c. magnetron sputtering. The formation of this non-equilibrium structure (tentatively D023) under-ambient conditions is detected by secondary ion mass spectrometry, x-ray diffraction and high-resolution cross-sectional transmission electron microscopy. Co-sputtering of Au and Cu under similar conditions produces only conventional fcc Cu3Au alloy phases, suggesting that interfacial confinement plays a significant role in producing the novel Cu3Au alloy phase in gold/copper multilayers. Copyright © 2003 John Wiley & Sons, Ltd.

Research paper thumbnail of Energetics of M Cs +n molecular ions emitted from Cs+ irradiated surfaces

Physical Review B, 2004

Kinetic energy distributions of MCs n + ( n=0 ,1,2,3, …, etc.) molecular ions ( M —target element... more Kinetic energy distributions of MCs n + ( n=0 ,1,2,3, …, etc.) molecular ions ( M —target element of interest and Cs + —primary ion) emitted in the secondary ion mass spectroscopy process have been studied for various metallic samples (Al, Cu, and Ag) under varying Cs + impact ion ...

Research paper thumbnail of Interface-dominated growth of a metastable novel alloy phase

Journal of Materials Research, 2005

Research paper thumbnail of Secondary emission of MCs n + molecular ions under the joint influence of electropositive and electronegative elements

Research paper thumbnail of Towards an understanding of MCs n + formation mechanism in SIMS

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, 2003

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