R. Wang | Researchain

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Featured researches published by R. Wang.

Journal of Applied Physics | 2005

Structural characterization of base/collector interfaces for magnetic tunnel transistors grown on Si(001)

Hua Wang; Martha R. McCartney; David J. Smith; Xin Jiang; R. Wang; Sebastiaan van Dijken; Stuart S. P. Parkin

The microstructure and composition of magnetic tunnel transistors (MTTs), grown on Si(001) collector substrates, have been investigated using high-resolution and analytical electron microscopy. The effects of different seed layers, including a ferromagnetic metal Fe, and noble metals Pd, Ir, Re, and Ru, on the tunnel junction morphology were studied. The Pd seed layers reacted with the Si substrate, and gave MTTs with a small transfer ratio and relatively large leakage current. Devices based on Ir and Re seed layers invariably shorted out, as did most of those with Ru seed layers. Very thin Fe seed layers gave flat and more abrupt seed-layer/Si substrate interfaces, and among the samples studied, the best transport properties were achieved for a thin Fe seed layer in combination with Co70Fe30 base layer.

Physical Review Letters | 2005

Highly spin-polarized room-temperature tunnel injector for semiconductor spintronics using MgO(100).

Xin Jiang; R. Wang; Robert M. Shelby; R. M. Macfarlane; Seth R. Bank; James S. Harris; S. S. P. Parkin

Physical Review Letters | 2003

Optical detection of hot-electron spin injection into GaAs from a magnetic tunnel transistor source.

Xin Jiang; R. Wang; S. van Dijken; Robert M. Shelby; Ronald D. Macfarlane; G. S. Solomon; James S. Harris; S. S. P. Parkin

Physical Review B | 2004

Bias voltage dependence of magnetocurrent in magnetic tunnel transistors

Xin Jiang; Sebastiaan van Dijken; R. Wang; Stuart S. P. Parkin

Bulletin of the American Physical Society | 2018

Tic-Tac-Toe: Maximum Entropy Analysis of the Spatial T Cell Distribution in the Tumor Microenvironment of Breast Cancer

Juliana C. Wortman; Ting-Fang He; Anthony Rosario; R. Wang; Xuefei Li; Herbert Levine; Gurinder Singh Atwal; Peter P. Lee; Clare C. Yu

Bulletin of the American Physical Society | 2005

Spin injection from CoFe/MgO tunnel injectors into GaAs

R. Wang; Xin Jiang; Robert M. Shelby; Seth R. Bank; James S. Harris; Stuart S. P. Parkin

Archive | 2004

Spin Injection from ferromagnetic tunnel injectors in quantum well structures at high temperatures

R. Wang; Xin Jiang; Robert M. Shelby; Ronald D. Macfarlane; Seth R. Bank; James S. Harris; Stuart S. P. Parkin

Archive | 2003

Hot Electron Spin Injection into GaAs using a Magnetic Tunnel Transistor with InGaAs Quantum Well Optical Detection

R. Wang; Xin Jiang; Sebastiaan van Dijken; Robert M. Shelby; Ronald D. Macfarlane; Stuart S. P. Parkin; G. S. Solomon; James S. Harris

Archive | 2003

Bias Voltage Dependence of Magnetocurrent in Magnetic Tunnel Transistors with GaAs and Si Collectors

Xin Jiang; Sebastiaan van Dijken; R. Wang; Stuart S. P. Parkin

Physical Review D | 1998

Measurement of the branching ratios for the decays of D(+)(s) to ηπ(+), η′π(+), ηρ(+), and η′ρ(+)

Colin Jessop; K. Lingel; H. Marsiske; M. Perl; S. F. Schaffner; D. Ugolini; R. Wang; X. Zhou; T. E. Coan; V. Fadeyev; I. Korolkov; Y. Maravin; I. Narsky; V. Shelkov; J. Staeck; R. Stroynowski; I. Volobouev; J. Ye; M. Artuso; A. Efimov; F. Frasconi; M. Gao; M. Goldberg; D. He; S. Kopp; G. C. Moneti; R. Mountain; Y. Mukhin; S. Schuh; T. Skwarnicki

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