Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Jong Yoon Ha"'
Autor:
Elissa H. Williams, Jong-Yoon Ha, Melanie Juba, Barney Bishop, Sergiy Krylyuk, Abhishek Motayed, Mulpuri V. Rao, John A. Schreifels, Albert V. Davydov
Publikováno v:
Sensing and Bio-Sensing Research, Vol 4, Iss C, Pp 103-108 (2015)
Silicon nanowire (Si NW) two-terminal devices were fabricated to electrically probe the real-time formation and destruction of lipid bilayers. A liposome solution, containing the same ratio of zwitterionic/anionic lipids that are present in an Escher
Externí odkaz:
https://doaj.org/article/ef73668b211d46babd61e8e179af1bd1
Autor:
Jay Chervenak, F. M. Finkbeiner, Stephen J. Smith, S. Beaumont, Simon R. Bandler, Megan E. Eckart, Joseph S. Adams, F. S. Porter, A. R. Miniussi, Caroline A. Kilbourne, Kazuhiro Sakai, Meng-Ping Chang, Edward J. Wassell, R. L. Kelley, N. A. Wakeham, Jong Yoon Ha, R. Hummatov, Aaron M. Datesman, John E. Sadleir
Publikováno v:
Journal of Low Temperature Physics. 200:192-199
The measured noise in Mo/Au transition-edge sensor (TES) microcalorimeters produced at NASA has recently been shown to be well described by a two-body electro-thermal model with a finite thermal conductance between the X-ray absorber and the TES. In
Autor:
Sergiy Krylyuk, Ratan Debnath, Heayoung P. Yoon, Matthew R. King, Jong-Yoon Ha, Baomei Wen, Abhishek Motayed, Albert V. Davydov
Publikováno v:
APL Materials, Vol 2, Iss 10, Pp 106104-106104-8 (2014)
We report on the fabrication of large-area, vertically aligned GaN epitaxial core-shell micropillar arrays. The two-step process consists of inductively coupled plasma (ICP) etching of lithographically patterned GaN-on-Si substrate to produce an arra
Externí odkaz:
https://doaj.org/article/5a0b0b777497423e870bc806c83dc26d
Autor:
Meng-Ping Chang, N. P. Costen, N. S. DeNigris, Stephen J. Smith, Megan E. Eckart, Jong Yoon Ha, Caroline A. Kilbourne, Jay Chervenak, Simon R. Bandler
Publikováno v:
Journal of Low Temperature Physics. 193:687-694
The X-ray integral field unit (X-IFU) is a cryogenic spectrometer for the Advanced Telescope for High ENergy Astrophysics (ATHENA). ATHENA is a planned next-generation space-based X-ray observatory with capabilities that surpass the spectral resoluti
Autor:
Meng-Ping Chang, Nicholas A. Wakeham, Antoine R. Miniussi, Audrey J. Ewin, Megan E. Eckart, Fred M. Finkbeiner, Kazuhiro Sakai, Aaron M. Datesman, Frederick S. Porter, Joseph S. Adams, Gabriele L. Betancourt-Martinez, Richard L. Kelley, Edward J. Wassell, Caroline A. Kilbourne, Stephen J. Smith, Meng P. Chiao, Simon R. Bandler, James A. Chervenak, Jong Yoon Ha, John E. Sadleir, Wonsik Yoon
Publikováno v:
IEEE Transactions on Applied Superconductivity. 27:1-5
For future X-ray astrophysics missions, X-ray microcalorimeters can be optimized with different properties in different regions of the focal plane. This approach has the potential to improve microcalorimeter instrument capabilities with efficient use
Autor:
John E. Sadleir, Kazuhiro Sakai, Edward J. Wassell, Frederick S. Porter, Joseph S. Adams, Simon R. Bandler, Gabriele L. Betancourt-Martinez, Richard L. Kelley, Meng-Ping Chang, Wonsik Yoon, Jong Yoon Ha, Audrey E. Ewin, Nicholas A. Wakeham, Antoine R. Miniussi, Stephen J. Smith, Elissa H. Williams, Caroline A. Kilbourne, Megan E. Eckart, Fred M. Finkbeiner, Aaron M. Datesman, James A. Chervenak
Publikováno v:
IEEE Transactions on Applied Superconductivity. 27:1-5
We have developed large-format, close-packed X-ray microcalorimeter arrays fabricated on solid substrates, designed to achieve high energy resolution with count rates up to a few hundred counts per second per pixel for X-ray photon energies up to 8 k
Autor:
Fred M. Finkbeiner, James A. Chervenak, Aaron M. Datesman, Stephen J. Smith, Jong Yoon Ha, Kazuhiro Sakai, Nicholas A. Wakeham, Meng P. Chiao, Meng Ping Chang, Wonisk Yoon, Caroline A. Kilbourne, Edward J. Wassell, Frederick S. Porter, Joseph S. Adams, John E. Sadleir, Megan E. Eckart, Gabriele L. Betancourt-Martinez, Richard L. Kelley, Simon R. Bandler, Antoine R. Miniussi, Audrey J. Ewin
Publikováno v:
IEEE Transactions on Applied Superconductivity. 27:1-5
We are developing superconducting transition-edge sensor (TES) microcalorimeter focal planes for versatility in meeting specifications of X-ray imaging spectrometers including high count-rate, high energy resolution, and large field-of-view. In parti
Autor:
Peng Zhang, Pei Liu, Siontas, Stylianos, Zaslavsky, A., Pacifici, D., Jong-Yoon Ha, Krylyuk, S., Davydov, A. V.
Publikováno v:
Journal of Applied Physics; 2015, Vol. 117 Issue 12, p125104-1-125104-7, 7p, 1 Color Photograph, 1 Black and White Photograph, 8 Graphs
Autor:
Albert V. Davydov, Barney Bishop, Mulpuri V. Rao, Melanie L. Juba, Jong-Yoon Ha, John A. Schreifels, Abhishek Motayed, Elissa H. Williams, Sergiy Krylyuk
Publikováno v:
Sensing and Bio-Sensing Research, Vol 4, Iss C, Pp 103-108 (2015)
Silicon nanowire (Si NW) two-terminal devices were fabricated to electrically probe the real-time formation and destruction of lipid bilayers. A liposome solution, containing the same ratio of zwitterionic/anionic lipids that are present in an Escher
Autor:
Jong-Yoon Ha, Ji-Won Choi
Publikováno v:
Ceramics International. 40:12023-12028
Lead-free piezoelectric (1− x )(Na 0.5 K 0.5 )NbO 3 – x (Ba 0.95 Sr 0.05 )TiO 3 (NKN–BST) ceramics were prepared following a conventional solid-state method using attrition milled powders. NKN–BST systems formed homogeneous structures and the