Tsai-Fu Chung

National Yang Ming Chiao Tung University

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i-10 index

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Jer‐Ren Yang

National Taiwan University

Yo-Lun Yang

Nanchang University

Chien‐Nan Hsiao

National Applied Research Laboratories

Chih‐Yuan Chen

National Defense Medical Center

Cheng-Ling Tai

National Taiwan University

Tzu-Ching Tsao

National Taiwan University

Shing-Hoa Wang

National Taiwan Ocean University

Po-Han Chiu

National Taiwan University

Cheng‐Si Tsao

National Taiwan University

Jianguo Lin

Xiangtan University

Cooperative Institutions

National Taiwan University

National Yang Ming Chiao Tung University

National Tsing Hua University

National Cheng Kung University

National Taiwan University of Science and Technology

National Taipei University of Technology

National Sun Yat-sen University

National Institute for Materials Science

National Central University

National Synchrotron Radiation Research Center

Author Statistics

Papers

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Research Field

Effect of nitrogen flow rate on the mechanical properties of (V,Mo)N thin films

Surface and Coatings Technology (2022)

Yiqun Feng Tsai-Fu Chung Jia‐Hong Huang

Lattice constant

Texture (cosmology)

10.1016/j.surfcoat.2022.129116

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Citations (6)

Experimental investigation of tension and compression creep-ageing behaviour of AA2050 with different initial tempers

Materials Science and Engineering A (2016)

Y. Li Zhusheng Shi Jianguo Lin Yo-Lun Yang Bo-Ming Huang

Tension (geology)

10.1016/j.msea.2016.01.074

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Citations (87)

CVD growth of large-area InS atomic layers and device applications

Nanoscale (2020)

Chien-Liang Tu Kuang‐I Lin Jiang Pu Tsai-Fu Chung Chien‐Nan Hsiao

Indium sulfide (InS) atomic layers made by chemical vapor deposition (CVD) are synthesized onto a mica substrate, producing a highly crystalline, large-area, and atomically thin-film InS flakes.

Chalcogen

Crystal (programming language)

10.1039/d0nr01104e

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Citations (12)

An atomic scale structural investigation of nanometre-sized η precipitates in the 7050 aluminium alloy

Acta Materialia (2019)

Tsai-Fu Chung Yo-Lun Yang Makoto Shiojiri Chien‐Nan Hsiao Wei-Chih Li

Atomic units

Coalescence (physics)

Nanometre

Zone axis

Lattice (music)

Atom probe

10.1016/j.actamat.2019.05.041

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Citations (158)

Twin relationship in between the variant-pair of η precipitates in the Al-Zn-Mg-Cu aluminium alloy

MATEC Web of Conferences (2020)

Tsai-Fu Chung Yo-Lun Yang Chien‐Nan Hsiao Wei-Chih Li Jer‐Ren Yang

For Al-Zn-Mg-Cu aluminium alloys, 15 types of η precipitates would possess the symmetrically variants distributed on the closed planes of the Al matrix, parallel to the (0001)η, (21̅1̅0)η, or (101̅0)η interfaces of precipitates. The η2 precipitates, possessing the crystallographic orientation of (111̅1̅) a l // (0001)η2 and [110] a l // [101̅0]η2, would exhibit four equivalent variants, i.e., η2 (1) to η2 (4) , on the (11̅1̅) a l habit planes. In the present work, along the zone axis of [110] a l // [101̅0]η, the edge-on configurations showing the twin-like atomic arrays would occur as the growth/coalescence of two η2 variants grown on (111̅1̅) a l and (11̅1) a l planes, respectively. The twin relationship can be revealed in term of the crystallographic relationship at 70.5° with respect to their habit planes. Alternatively, on the (11̅1̅0) a l image, it also indicates the nearly-twinning configuration in between the variant-pair of η2.

Coalescence (physics)

10.1051/matecconf/202032601002

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Citations (0)

Selective-Area Growth of Hexagonal-to-Cubic GaN as an n-Type Metal–Oxide–Semiconductor Field-Effect Transistor Drain on a Nanogrooved Si(100) Substrate

Crystal Growth & Design (2024)

CJ. Cheng-Jun Huang Shuo Hwai Tsai-Fu Chung Chien-Nan Hsiao Hsin-yi Sandy Tsai

10.1021/acs.cgd.4c00683

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Citations (0)

Distinguishing Features of Quenched Nanoprecipitates in Allotriomorphic Ferrite and Reverted γ during Aging for Dual-Phase PHSS

Metals (2023)

Ping‐Jui Yu Tzu-Ching Tsao Cheng-An Hsu Neng-Hao Gan Shing-Hoa Wang

A novel dual-phase PHSS consisting of lath martensite plus allotriomorphic δ ferrite (ALF) with nanoprecipitates was characterized by high-resolution field emission transmission electron microscopy for quenched, solid-solution-treated, and aged stainless steel. The effects of aging at various durations prior to H2O or liquid N2 quenching were investigated. Cu-rich nanoprecipitates evolve from body-centered cubic clusters to 9R Cu under quenching to 3R Cu and subsequently to face-centered cubic ε-Cu at various aging durations. Maximum hardness was observed after aging at 600 °C for 1 h. However, after this aging, both reversed austenite and Cu-rich nanoprecipitates coexisted in the martensite matrix. The segregation and diffusion of austenite-stabilizing elements promoted the nucleation of reversed austenite.

Lath

10.3390/met13030625

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Citations (1)

A Low-Cost Passivation for Low Temperature Cu-Cu Bonding Using PVD-Deposited Cu₃N

IEEE Journal of the Electron Devices Society (2023)

Tzu‐Heng Hung Ping-Jung Liu Chiao-Yen Wang Tsai-Fu Chung Kuan‐Neng Chen

PVD-deposited Cu3N has been demonstrated for Cu-Cu bonding as a low-cost passivation material. Cu3N exhibits stability at room temperature but undergoes decomposition upon heating, making it an attractive candidate for Cu bonding passivation. XRD analysis reveals that the decomposition of PVD-deposited Cu3N primarily occurs within the temperature range of 200250. Cu3N-Cu3N bonding, relying on the decomposition reaction, is successfully demonstrated, and TEM analysis confirms the presence of Cu grains at the bonding interface. Moreover, Cu bonding using Cu3N passivation has been demonstrated as well. The bonding capability at low temperatures is found to be influenced by the thin film properties of Cu3N. For wafer level bonding, the N2 flow rate during Cu3N deposition requires careful adjustment to balance the antioxidation capability and the N2 outgassing phenomenon. For chip level bonding, the N2 outgassing phenomenon poses no significant issue. By demonstrating the potential of Cu3N as a passivation material, this study suggests a promising method for achieving lower temperature requirements in Cu bonding through the adjustment of Cu3N thin film properties.

Passivation

Outgassing

Anodic bonding

10.1109/jeds.2023.3308368

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Citations (1)

Investigation of nanotwins in the bimodal-structured Fe22Co22Ni20Cr22Mn14 alloy subjected to high-strain-rate deformation at cryogenic temperatures

Materials Characterization (2020)

Tsai-Fu Chung Pin-Jung Chen Cheng-Ling Tai Po-Han Chiu Yo-Shiuan Lin

Deformation bands

Deformation mechanism

Work hardening